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International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018]
https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678
www.aipublications.com/ijreh Page | 1
Household Perspectives and value of Low-
Carbon off-grid Energy Technologies in the
Kenyan Rangelands
Angela Mungai1, Richard Mulwa1, Stephen Anyango1
1Center for Advanced Studies in Environmental Law and Policy, University of Nairobi,
PO Box 30197-00100 Nairobi, Kenya
Corresponding Author: mungai22@gmail.com
Abstractโ€”Kenya is constrained by low rural clean
energy access, particularly among communities in remote
settings. The objective of this study is to evaluate the
social value and preferences of low-carbon off-grid
technologies by households in Kenyan rangelands as an
alternative to the national grid for powering isolated low-
income communities. To this end a household survey was
conducted on a settlement in Laikipia North using
interview schedules to assess demographic
characteristics,energy consumption patternsand average
expenditure on traditional fuels, clean energy awareness,
preferences and willingnessto pay. Key findings revealed
that residential off-grid clean energy optionsstudied were
largely found to be socially viable, as rural households
are willing to switch from high-carbon fuels, but
affordability is a key concern. The most acceptable off-
grid low-carbon lighting technologies for remote low-
income homesteads are Pico solar lamps and solar
panels, while portable Liquid petroleum gas stoves and
clean cook-stoves were found to be the most acceptable
technology for low-carbon cooking at household level due
to the relatively low cost, and portability factors which
are favorable for pastoralist communities. It was also
found that despite the Kenyan Government commitment
towards a green economy, a change in policy direction
would be necessary to ensure that there is inclusive
access to clean energy through awareness programs and
targeted financial interventions in support of low-income
energy-deprived communities.
Keywordsโ€”Acceptability, Energy, Low-carbon,
households, Kenya, Rangelands
I. INTRODUCTION
Clean energy has a high potential to contribute to
sustainable development and household welfare, yet just
over a third of Kenyaโ€™s population has electricity access
with less than 40% rural access to clean energy (World
Bank, 2016). The low rural access to clean power, in
addition to constraining development, and provoking
environmental degradation, compels communities to
consume high carbon fuels which pose health risks,
largely affecting women and children, due to indoor
pollution (WHO, 2016). The country is highly vulnerable
to impacts of climate change, with more than 80% of the
country being arid and semi-arid rangeland (Mwangonbe
et al. 2011), characterized by scattered settlements of low-
income communities and poor infrastructure
development. Out of Kenyaโ€™s total greenhouse gas
emissions (GHG), 75% arises from land use, forestry and
agriculture (Government of Kenya, 2015), largely as a
result of dependence on wood fuels by a large segment of
households, posing an environmental threat to fragile
rangelands.
Despite the scale-up of grid-based rural electrification
through existing legal reforms, there will be a large
portion of unreached rural households, particularly those
located in isolated settings due to high poverty levels and
the nature of remote scattered settlements (IFC, 2011),
calling for decentralized or off-grid alternatives in
supplying clean power to energy deprived households. A
key issue influencing the effective implementation of
decentralized clean energy programs and rural energy
expansion goals, according to Devine-Wright (2008) is
social acceptance.
Various studies have been done to evaluate the social
acceptability of decentralized power installations. Assefa
and Frosttell (2007) describe various determinants for
assessing the social viability of renewable technologies,
which include knowledge and household perceptions
relating to the potential risks and benefits associated with
emerging energy technologies. Findings reveal that
respondents in remote settings have relatively low levels
of awareness about off-grid energy technologies making
it difficult to rank them according to preferences, and
advocates for the engagement of community groups and
aggregating results with economic performance
indicators. Devine-Wright (2011) notes that the โ€œdepth of
attachment between people and the environments in
International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018]
https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678
www.aipublications.com/ijreh Page | 2
which they reside can either motivate support or
opposition to proposed energy technology developmentโ€,
thus, the perceived benefits, willingness to pay energy
costs and trust all play a vital role. To support this
premise, Vorkinn and Riese (2001) reveal how public
acceptance for decentralized energy installations is
determined by the depth of attachment to the affected site,
a factor which is observed to have more significance
compared to basic demographic features.
Hirmer and Cruickshank (2014) argue the essence of user
value in assessing the social viability of alternative power
supply projects. They propose that โ€œBy targeting the
values of the end-users the sustainability of rural
electrification projects will be better ensuredโ€. Study
findings reveal the significance of end-user value
perceptions to the success of rural electrification projects,
beyond the commonly used indicator of technical or
financial value. Studies by Department of Trade and
Industry, London (2003) reveal that โ€œpublic knowledge
and understanding about renewable energy are critical to
the social acceptance of energy projectsโ€. Findings also
show that individuals and communities who are well
informed are significantly more accepting towards
renewable energy technologies.
The aim of this study therefore, is to assess the value and
preferences of residential low-carbon off-grid energy
technologies by households in remote rangelands of
Kenya. Specifically, this article sought to determine basic
rural household demographics, energy consumption,
experiences and expenditure, awareness and willingness
to pay for clean energy sources, preference ranking and
trade-offs regarding off-grid clean energy products for
lighting and cooking. The remaining part of this paper is
organized as follows. Section II summarizes the research
methodology. Section III discusses the results and section
IV presents conclusions. The study is important as it
serves as a basis for informing national and international
policy makers and energy sector actors on the socially
viable low-carbon energy programs for developing
unreached rural areas in a sustainable way while scaling-
up inclusive clean energy access in transition to a green
economy.
II. RESEARCH METHODOLOGY
2.1 Study area
A descriptive research design was adopted for the study.
The study area is Naibunga Conservancy located in
Laikipia North. The size of the Conservancy is 477 square
kilometers with a total population of 20,000 (Northern
Rangelands Trust, 2016). The specific community
sampled was from the Koige Settlement, which has a size
of 5.4 square kilometers and a population of 1200 people
with 250 households (Northern Rangelands Trust, 2016).
The study targeted a sample of 151 households through
systematic random sampling. This rangeland settlement
was selected as it met the basic socio-economic criteria of
an energy deprived group with limited power grid access,
scattered, low-income settlements, exposed to arid
climate conditions and limited access to markets and
basic social services
2.2 Data collection and analysis
Data for the household survey data was collected in 2017
using face to face interviews conducted with the use of an
interview schedule targeted at generating data on the
demographic characteristics of households, social
awareness and acceptability of clean energy, energy use
and perceptions regarding the risks and benefits of energy
technologies. Descriptive statistical analysis was
performed with the aid of SPSS software and summarized
into frequencies, mean and percentages in order to
explain the socioeconomic status, energy use and
preferences of households the social ranking and trade-
offs of clean energy technologies. For the analysis of
variance and ranking of household preferences for clean
energy technologies, the non-parametric Friedman rank
test was used as it is suitable for analyzing ordinal data
and generating a mean ranking of technologies. To further
test the degree of concordance between respondents the
Kendallโ€™s Concordance Coefficient W test was
conducted. This is a normalization of the Friedman
statistic which is used to test the strength of agreement
between respondents (Pett, 1997).
III. RESULTS AND DISCUSSION
3.1 Demography of households
Among the households sampled 64.9 are male and 35.1
female household heads. The main livelihood is livestock
herding, reported by 23.8% of respondents, subsistence
farming (22.9%), business (19%), with 14% unemployed
and 4.3% in casual employment. This indicates that the
community is heavily reliant on livestock and agricultural
output for their livelihood and, given the semi-arid nature
of the area, exposes households to low erratic income and
nomadic practices in search of more fertile pastures. The
reported household income reported by 56% of
respondents is below US$ 30 monthly, well below the
global poverty line of $1.9 a day (World Bank, 2015),
indicating a significant barrier towards clean energy
access. Seventy percent of households reside in two-
roomed semi-permanent housing structures, exposing
them to overcrowding and health and safety risks arising
from indoor pollution and open fires.. Eighty three
percent of respondents stated that they are aware about
clean energy, while 17% of houshold heads, all male,
stated that they were unaware and largely indifferent
towards clean energy. This indicates the high potential of
women, particularly within the framework of womenโ€™s
International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018]
https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678
www.aipublications.com/ijreh Page | 3
groups,to expand clean energy access to households. The
main sources of clean energy awareness are radio, cited
by 22.9% of respondents, television (19.2%) and
marketing by local vendors (22.5%), highlighting the role
of the radio and informal sector in creating clean energy
awareness.
3.2 Household fuel use for cooking and lighting
Table 1 summarizes the household fuel use for cooking
and lighting, indicating a high dependence on high-carbon
fuels, leading to adverse health and environmental effects.
Tabel.1: Household energy use
Fuel use Fuel type
Percent
household
Cooking Firewood 80.0
Charcoal 9.3
LPG stove 5.3
LPG large gas cooker 2.6
Electric cooker 2.6
Lighting Kerosene lantern 53.0
Tin kerosene lamp 20.5
Diesel generator 6.0
Solar panels 4.6
Battery torch 4.0
Solar Pico lamp 3.7
Car batteries with LED
lights 3.3
Candles 2.0
Electric lights 2.0
Source: survey data
Study findings reveal that the mean household monthly
expenditure on high-emission fuels is US$ 12 with a
standard deviation of 1,166.3. Given an average
household income of below US$ 30 monthly,
expenditure on high-carbon fuels represents over 30% of
average household income, implying adverse impacts on
the financial welfare of energy deprived households, as
less income remains for food, health care, education and
savings.
3.3 Perceived challenges of high carbon fuel use
The main concern of respondents who principally rely on
high-carbon fuels is high fuel costs (44%) followed by
health risks of indoor pollution (24.2%) and safety risks
from open fires (7.9%). In order to quantify the concerns
of respondents, the social costs of high-carbon fuel use,
related to 2016 experiences is summarized in Table 2,
indicating substantial income spending on healthcare.
Table.2: Perceived social costs of high-carbon fuels
Fuel-use
challenge
Nature of
risk
Percent
househol
d
Average cost
(US$), time
or incident
High fuel
cost
Income
deficiency
44 $ 12 monthly
Health risk Allergies 24.2 $.13 monthly
Respiratory
infections
$.6.3
monthly
Asthma $.11 monthly
Eye
infections
$.10.4
monthly
Accident risk Burns 7.9 15 incidents
Suffocation 1 incident
Limited fuel-
hours
- 5.5 2.5 fuel-hours
daily
Fuel
collection
delays
- 5.2 2 hours daily
Restricted
fuel access
- 5.3 -
Limited
study hours
- 5.0 2.5 fuel
hours daily
Seasonal
supply
- 2.9 -
Source: survey data
3.4 Proximity to the nearest power grid network
Respondents estimated the distance from home to the
nearest grid network or electricity pole, indicating that
52% of respondents reside 10-20 kilometers (km) away
from the nearest grid line, with a significant number
(13.9%) residing 20-30 km away from the nearest grid
network. Figure 1 compares the proximity and
connectivity of residents to the nearest power grid
network. A significant number of households (27%) live
less than a kilometer from the power grid but only 2% are
connected, indicating that proximity to the power grid is a
positive but not sufficient factor in rural electricity
connectivity due to the low and intermittent income and
pastoral lifestyle of households which is a significant
barrier to clean energy access.
International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018]
https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678
www.aipublications.com/ijreh Page | 4
Fig.1: Distance and connectivity to the power grid
network
3.5 Household clean energy preferences for lighting
In order to assess the social preferences, trade-offs and
ranking of clean energy projects, households selected
from a range of clean energy products which include
wind turbine, electric lighting, solar photovoltaic (PV),
Pico solar, which are small rechargeable lamps with
capacity for cell phone charging, and battery powered
torches. To facilitate the social ranking of the most
preferred lighting technology a Likert scale ranging from
1 (least preferred) to 6 (most preferred) was adopted. The
Friedman rank test was adopted to derive the mean
ranking of technologies, summarized in Table 3.
Table.3: Preference rating of clean lighting technologies
Technology selection by number of households
Score Electri
c lights
Sola
r PV
Solar
Pico
Wind
turbin
e
Gas
lam
p
Batter
y
torch
6 60 27 10
5 34
4 3 28 3
3 9 19
2 15 3 9 3
1 8 3 9 46
Total
score
368 332 129 121 96 52
Mean
rank
5.46 5.25 3.3 3.4 2.4 1
Source: survey data
The social ranking of clean energy technologies is
presented in Figure 2. The most preferred modern lighting
technology is electrical lighting, with a total preference
score of 368 followed by solar panels with a preference
score of 332 and Pico solar lamps with a score of 129.
The least preferred lighting source is the battery torch
with a score of 52 and gas lamps, with a score of 96. A
Friedman test (ฯ‡2 (5) =151.37, p = 0.000) revealed a
significant difference in the distribution of respondents
between the groups of clean lighting technologies.Further
testing using the Kendallโ€™s W test (Kendall W= 0.890)
indicated a highly significant level of consensus among
respondents on the rating of clean lighting technologies.
The most significant attributes of electricity, as reported
by respondents, are ease of doing business (23%) and
affordability of power (19.8%). Solar products are
preferred due to affordability (43%) while an equal
number of respondents (17%) cited reliability of power
supply and the absence of rationing as a reason for their
preference. This implies that, in the absence of grid
electricity, households are willing to trade-off the benefit
of ease of doing business in their selection of alternative
off-grid clean energy lighting sources.
Fig.2: Household ranking of clean energy technology for
lighting
3.6 Clean energy preferences for cooking
Respondents, classified by gender, ranked their
preferences of clean energy technologies for cooking
among a variety of technologies such as electric cookers,
biogas digesters, clean energy cook-stoves and portable
liquid petroleum gas (LPG) stoves. The inclusion of
electric cooking implements evaluates the trade-off in
perceived attributes of clean off-grid products as a
substitute to grid electricity. From the selection of 4
cooking implements, respondents ranked their preference
from a score of 1 (least preferred) to 4 (most preferred)
the results of which were subjected to a Friedman test to
establish a mean ranking of preferred technologies as
summarized in Table 4.
Table.4: Preference rating of clean cooking technologies
by gender
Technology selection by number of
respondents
Electric
cookers
LPG gas
stove
Improved
cookstove
Bioga
s
Score M F M F M F M F
International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018]
https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678
www.aipublications.com/ijreh Page | 5
4 44 23 14 2 2 3
3 13 2 7 8 7 3
2 10 2 6 6 1
1
5
1 9 3 11 1 5 4 1
2
1
0
Total
score by
gender
18
5
95 12
6
17 52 52 5
5
2
9
Total
score
280 143 104 84
Mean rank 3.46 3.22 2.5 2.18
The most preferred energy technology for cooking
purposes is the electric cooker, with a male preference
score of 185 and female score of 95. This is followed by
LPG portable gas stoves with a male preference score of
126 and female score of 17 indicating a high male
preference for modern cooking technologies, like
electricity and gas. Clean energy cook stoves are ranked
third with a score of 104 selected by a proportionate
number of male and female respondents with an equal
preference score of 52, indicating a strong potential for
household market demand by women. The least preferred
household energy source for cooking is biogas fuel
reporting a score of 55 and 29 by male and female
respondents respectively, reportedly due to the high
equipment cost and cumbersome task of operating the
cooking implement. Results subjected to Friedman test (ฯ‡2
(3) = 77.09, p = 0.000) revealed a significant difference in
the distribution of responses between the different groups
of cooking technologies. Further testing using the
Kendallโ€™s W test (Kendall W= 0.627) indicated a fairly
significant level of consensus among respondents on the
rating of clean cooking technologies. Results showing the
social ranking of technologies by gender are summarized
in Figure 3.
Fig.3: Ranking of clean off-grid cooking technologies by
gender
The ranking of clean energy preferences by gender
implies that rural male-headed households have a high
preference for electricity and LPG gas, while women,
who are most likely to be the end users, have a high
preference for clean cook stoves, which are perceived to
be more accessible and practical for household use. Key
stated attributes for electricity for cooking are time saving
benefits (38%) and instant power access,without the need
for fuel refills (19%). The stated principal attributes of
gas stoves and clean cookstoves are affordability (33.6%)
and portability (27.2%) which is perceived as convenient
for a pastoralist lifestyle. In the absence of electricity
access, this implies that households are willing to trade-
off the perceived time-saving attribute of grid power in
the selection of alternative clean off-grid cooking
resources.
3.7 Perceived household benefits of clean energy
Table 5 presents household perceptions regarding clean
energy benefits. Findings reveal that that 14.6% of
respondents are optimistic about the general household
benefits of clean energy, which include income savings,
clean and safe environment, time-savings in collecting
fuel, increased fuel hours and study hours. The most
significant benefit mentioned from the use of clean
energy is income savings, by 31.8% households who
expect to save 60% of their income. The perceived benefit
of a pollution-free environment is cited by 12% of
respondents, with 70% savings on health expenditure. In
addition safe environment, with a 60% reduction in
accidents, is also cited as a benefit by 9.9% of
respondents.
Table.5: Perceived social benefits of clean off-grid energy
technologies
Clean energy
benefits
Nature of
benefit
Percent Average
gains
Income
savings
Reduced fuel
expenditure
31.8 60% savings
General
welfare
All benefits 14.6 -
Reduced
indoor
pollution
Reduced
health
expenditure
12 70% savings
Safe to use Reduced
accidents
9.9 60%
reduction
Increased
fuel output
Increase in
daily fuel
hours
6 3 hours daily
Business
productivity
Increased
business
output
6 30%
expansion
Time-saving Reduced fuel
collection time
5.8 1.5 hours
daily
Improved
study hours
Increased
daily study
hours
4 3 hours daily
International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018]
https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678
www.aipublications.com/ijreh Page | 6
Agricultural
productivity
- 4 25%
expansion
Phone
charging
facility
Increased
daily charging
hours
2 3 hours daily
Fuel more
accessible
- 2 -
Source: survey data
Respondents, however, cited perceived barriers to clean
energy access (Figure 4). Low income is the principle
barrier, cited by 55% of respondents, who reported that
the high cost of clean energy equipment and connectivity
are significant constraints. Remote location of households
was cited as a barrier by 10.6% of respondents, making it
difficult to access clean energy markets. The temporary
nature of dwellings and nomadic lifestyle was also
perceived as a barrier to clean energy access by 9.3% of
households. Institutional and government failures were
noted by 8% of respondents, who felt left out of national
clean energy expansion programs.
Fig.4: Perceived household barriers to clean energy
access
3.8 Willingness to pay for clean fuel
The evaluation of willingness to pay for clean fuel reveals
household energy consumption preferences when given
an opportunity and financial capability to switch to
affordable clean energy sources. Results revealed a wide
consensus among 89.4% households regarding
willingness to pay for clean energy if it is available and
affordable. This implies that rural low-income households
aware of clean energy would be willing to upgrade from
traditional fuels, but are constrained by economic factors.
Respondents that were willing to switch revealed the
expected sources of finance for clean energy transition
(Table 6). Most respondents (45.7%) expected financial
support from the government and non-governmental
organizations. Other expected sources of finance were
personal savings (12.5%), loans from self-help groups
(9.4%) and sale of livestock (8.8%). A significant number
of respondents (21.9%) were unsure about potential
sources of finance for clean energy, implying that they
were not optimistic about overcoming financial barriers to
clean energy.
Table.6: Expected sources of finance for clean energy
Expected sources of finance Percent household
Government and NGO support 45.7
Uncertain about financial
sources
21.9
Personal savings 12.5
Loans from self-help groups 9.4
Sale of livestock 8.8
Source: survey data
In the absence of clean energy grants, 36.3% of
household heads stated that they would expand their
personal savings for future access to clean energy, 33.3%
intended to continue using traditional fuels indefinitely,
while 11.1% preferred to sell their livestock. A few
respondents (5.5%) opted to seek credit facilities from
community groups, while 13.8% were uncertain about
alternative financial options available to them, implying
that most low-income rural households would be likely to
sustain the consumption of high-carbon fuels, reinforcing
the need for financial assistance to bridge the clean
energy gap.
3.9 Discussion
Low-income households in remote rangelands have a
strong reliance on firewood, charcoal and kerosene for
cooking and lighting, leading to forest cover depletion,
adverse health and safety impacts and financial
instability, with over 30% income expenditure on
traditional fuels. The strongest concern among
households reliant on high-carbon fuels is high cost of
fuels and healthcare costs, the most significant being
allergy related health problems, costing low-income rural
households an average of US$ 13 per month, about 43%
of income. There is a high level of awareness about clean
energy, especially among women, and a strong preference
for electricity for lighting and cooking, particularly
among male-headed households, despite the low
connectivity rate. In the absence of electricity,
households are willing to trade-off ease of doing business
and time-saving attributes of grid power in their selection
of alternative off-grid clean energy sources.
Household off-grid preferences, therefore, reveal that
clean technologies, such as solar home systems, LPG
stoves and improved cookstoves have the highest value
for remote, largely pastoral households due to the
substantial level of social acceptability and willingness to
upgrade. In addition, women, due to their comparatively
high level of awareness about clean energy and its
benefits, have a relatively stronger potential to transition
to clean energy compared to their male counterparts.
International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018]
https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678
www.aipublications.com/ijreh Page | 7
Most households, however, are inhibited by low incomes
and will require State financial support in partnership
with private sector initiatives, in order to accelerate
inclusive access to clean energy. Potential end-users
perceive clean energy to be electricity and are not well
educated about low-carbon off-grid products in the
market thus cannot make informed purchasing decisions
and are likely to buy low-quality products or retain the
use of high-carbon fuels. This confirms findings by DTI
(2003) and Hirmer et al (2014) that user value and public
understanding are crucial to off-grid clean energy
acceptance and transition by rural communities.
IV. CONCLUSION AND POLICY IMPLICATIONS
Study results reveal positive household perceptions
regarding off-grid clean energy transitions, especially
among women. In the absence of grid power, there is a
high preference for solar products, gas stoves and
improved cook-stoves, but low household income, remote
location and lack of awareness, with a measure of
indifference, among largely male-headed households is a
significant barrier to access. In order to expand inclusive
clean energy access to remote households,national grants
and targeted subsidies, including tariff exemptions, for
clean energy technologies can be extended through
budgetary allocations to support investors, informal
vendors and deprived households
To further support the up-take of clean off-grid energy,
the State, through partnerships with the private and
financial sector, supported by national and international
grants, can provide attractive financial initiatives, such as
low-interest clean energy loans or easy hire purchase
programs for households. Financial initiatives should also
be targeted towards women through womenโ€™s groups,
since they have a strong potential to expand clean energy
access to remote rural areas. Potential financial actors
include cooperative societies, private developers, non-
governmental organizations and micro-finance
organizations.
A household off-grid clean energy fund, sustained
through national and international funding, including
clean development mechanisms, can be developed to
accelerate investment and delivery of clean power to
remote rural areas. This fund can be used for clean energy
grants to support energy sector actors, low-interest credit
facilities for households and womenโ€™s groups, training
and awareness programs.
To fill the knowledge gap among remote rural
communities and create awareness about the financial
and health benefits of clean energy, national awareness
and community education programs can be implemented
through public-private partnerships with the local media
and informal traders, who play a strong role in creating
clean energy awareness.. This includes initiatives to build
stakeholder capacity and make communities understand
the essence of engaging national authorities in the policy
and planning process, as this would translate into
inclusive clean energy access.
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[5] Government of Kenya (2015) Kenya green economy
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[9] Northern Rangelands Trust (2016) Rangelands of
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[10] Pett, M. (1997) Non-parametric statistics in
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[11] World Bank (2015) Global poverty line update.
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Household Perspectives and value of Low-Carbon off-grid Energy Technologies in the Kenyan Rangelands

  • 1. International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018] https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678 www.aipublications.com/ijreh Page | 1 Household Perspectives and value of Low- Carbon off-grid Energy Technologies in the Kenyan Rangelands Angela Mungai1, Richard Mulwa1, Stephen Anyango1 1Center for Advanced Studies in Environmental Law and Policy, University of Nairobi, PO Box 30197-00100 Nairobi, Kenya Corresponding Author: mungai22@gmail.com Abstractโ€”Kenya is constrained by low rural clean energy access, particularly among communities in remote settings. The objective of this study is to evaluate the social value and preferences of low-carbon off-grid technologies by households in Kenyan rangelands as an alternative to the national grid for powering isolated low- income communities. To this end a household survey was conducted on a settlement in Laikipia North using interview schedules to assess demographic characteristics,energy consumption patternsand average expenditure on traditional fuels, clean energy awareness, preferences and willingnessto pay. Key findings revealed that residential off-grid clean energy optionsstudied were largely found to be socially viable, as rural households are willing to switch from high-carbon fuels, but affordability is a key concern. The most acceptable off- grid low-carbon lighting technologies for remote low- income homesteads are Pico solar lamps and solar panels, while portable Liquid petroleum gas stoves and clean cook-stoves were found to be the most acceptable technology for low-carbon cooking at household level due to the relatively low cost, and portability factors which are favorable for pastoralist communities. It was also found that despite the Kenyan Government commitment towards a green economy, a change in policy direction would be necessary to ensure that there is inclusive access to clean energy through awareness programs and targeted financial interventions in support of low-income energy-deprived communities. Keywordsโ€”Acceptability, Energy, Low-carbon, households, Kenya, Rangelands I. INTRODUCTION Clean energy has a high potential to contribute to sustainable development and household welfare, yet just over a third of Kenyaโ€™s population has electricity access with less than 40% rural access to clean energy (World Bank, 2016). The low rural access to clean power, in addition to constraining development, and provoking environmental degradation, compels communities to consume high carbon fuels which pose health risks, largely affecting women and children, due to indoor pollution (WHO, 2016). The country is highly vulnerable to impacts of climate change, with more than 80% of the country being arid and semi-arid rangeland (Mwangonbe et al. 2011), characterized by scattered settlements of low- income communities and poor infrastructure development. Out of Kenyaโ€™s total greenhouse gas emissions (GHG), 75% arises from land use, forestry and agriculture (Government of Kenya, 2015), largely as a result of dependence on wood fuels by a large segment of households, posing an environmental threat to fragile rangelands. Despite the scale-up of grid-based rural electrification through existing legal reforms, there will be a large portion of unreached rural households, particularly those located in isolated settings due to high poverty levels and the nature of remote scattered settlements (IFC, 2011), calling for decentralized or off-grid alternatives in supplying clean power to energy deprived households. A key issue influencing the effective implementation of decentralized clean energy programs and rural energy expansion goals, according to Devine-Wright (2008) is social acceptance. Various studies have been done to evaluate the social acceptability of decentralized power installations. Assefa and Frosttell (2007) describe various determinants for assessing the social viability of renewable technologies, which include knowledge and household perceptions relating to the potential risks and benefits associated with emerging energy technologies. Findings reveal that respondents in remote settings have relatively low levels of awareness about off-grid energy technologies making it difficult to rank them according to preferences, and advocates for the engagement of community groups and aggregating results with economic performance indicators. Devine-Wright (2011) notes that the โ€œdepth of attachment between people and the environments in
  • 2. International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018] https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678 www.aipublications.com/ijreh Page | 2 which they reside can either motivate support or opposition to proposed energy technology developmentโ€, thus, the perceived benefits, willingness to pay energy costs and trust all play a vital role. To support this premise, Vorkinn and Riese (2001) reveal how public acceptance for decentralized energy installations is determined by the depth of attachment to the affected site, a factor which is observed to have more significance compared to basic demographic features. Hirmer and Cruickshank (2014) argue the essence of user value in assessing the social viability of alternative power supply projects. They propose that โ€œBy targeting the values of the end-users the sustainability of rural electrification projects will be better ensuredโ€. Study findings reveal the significance of end-user value perceptions to the success of rural electrification projects, beyond the commonly used indicator of technical or financial value. Studies by Department of Trade and Industry, London (2003) reveal that โ€œpublic knowledge and understanding about renewable energy are critical to the social acceptance of energy projectsโ€. Findings also show that individuals and communities who are well informed are significantly more accepting towards renewable energy technologies. The aim of this study therefore, is to assess the value and preferences of residential low-carbon off-grid energy technologies by households in remote rangelands of Kenya. Specifically, this article sought to determine basic rural household demographics, energy consumption, experiences and expenditure, awareness and willingness to pay for clean energy sources, preference ranking and trade-offs regarding off-grid clean energy products for lighting and cooking. The remaining part of this paper is organized as follows. Section II summarizes the research methodology. Section III discusses the results and section IV presents conclusions. The study is important as it serves as a basis for informing national and international policy makers and energy sector actors on the socially viable low-carbon energy programs for developing unreached rural areas in a sustainable way while scaling- up inclusive clean energy access in transition to a green economy. II. RESEARCH METHODOLOGY 2.1 Study area A descriptive research design was adopted for the study. The study area is Naibunga Conservancy located in Laikipia North. The size of the Conservancy is 477 square kilometers with a total population of 20,000 (Northern Rangelands Trust, 2016). The specific community sampled was from the Koige Settlement, which has a size of 5.4 square kilometers and a population of 1200 people with 250 households (Northern Rangelands Trust, 2016). The study targeted a sample of 151 households through systematic random sampling. This rangeland settlement was selected as it met the basic socio-economic criteria of an energy deprived group with limited power grid access, scattered, low-income settlements, exposed to arid climate conditions and limited access to markets and basic social services 2.2 Data collection and analysis Data for the household survey data was collected in 2017 using face to face interviews conducted with the use of an interview schedule targeted at generating data on the demographic characteristics of households, social awareness and acceptability of clean energy, energy use and perceptions regarding the risks and benefits of energy technologies. Descriptive statistical analysis was performed with the aid of SPSS software and summarized into frequencies, mean and percentages in order to explain the socioeconomic status, energy use and preferences of households the social ranking and trade- offs of clean energy technologies. For the analysis of variance and ranking of household preferences for clean energy technologies, the non-parametric Friedman rank test was used as it is suitable for analyzing ordinal data and generating a mean ranking of technologies. To further test the degree of concordance between respondents the Kendallโ€™s Concordance Coefficient W test was conducted. This is a normalization of the Friedman statistic which is used to test the strength of agreement between respondents (Pett, 1997). III. RESULTS AND DISCUSSION 3.1 Demography of households Among the households sampled 64.9 are male and 35.1 female household heads. The main livelihood is livestock herding, reported by 23.8% of respondents, subsistence farming (22.9%), business (19%), with 14% unemployed and 4.3% in casual employment. This indicates that the community is heavily reliant on livestock and agricultural output for their livelihood and, given the semi-arid nature of the area, exposes households to low erratic income and nomadic practices in search of more fertile pastures. The reported household income reported by 56% of respondents is below US$ 30 monthly, well below the global poverty line of $1.9 a day (World Bank, 2015), indicating a significant barrier towards clean energy access. Seventy percent of households reside in two- roomed semi-permanent housing structures, exposing them to overcrowding and health and safety risks arising from indoor pollution and open fires.. Eighty three percent of respondents stated that they are aware about clean energy, while 17% of houshold heads, all male, stated that they were unaware and largely indifferent towards clean energy. This indicates the high potential of women, particularly within the framework of womenโ€™s
  • 3. International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018] https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678 www.aipublications.com/ijreh Page | 3 groups,to expand clean energy access to households. The main sources of clean energy awareness are radio, cited by 22.9% of respondents, television (19.2%) and marketing by local vendors (22.5%), highlighting the role of the radio and informal sector in creating clean energy awareness. 3.2 Household fuel use for cooking and lighting Table 1 summarizes the household fuel use for cooking and lighting, indicating a high dependence on high-carbon fuels, leading to adverse health and environmental effects. Tabel.1: Household energy use Fuel use Fuel type Percent household Cooking Firewood 80.0 Charcoal 9.3 LPG stove 5.3 LPG large gas cooker 2.6 Electric cooker 2.6 Lighting Kerosene lantern 53.0 Tin kerosene lamp 20.5 Diesel generator 6.0 Solar panels 4.6 Battery torch 4.0 Solar Pico lamp 3.7 Car batteries with LED lights 3.3 Candles 2.0 Electric lights 2.0 Source: survey data Study findings reveal that the mean household monthly expenditure on high-emission fuels is US$ 12 with a standard deviation of 1,166.3. Given an average household income of below US$ 30 monthly, expenditure on high-carbon fuels represents over 30% of average household income, implying adverse impacts on the financial welfare of energy deprived households, as less income remains for food, health care, education and savings. 3.3 Perceived challenges of high carbon fuel use The main concern of respondents who principally rely on high-carbon fuels is high fuel costs (44%) followed by health risks of indoor pollution (24.2%) and safety risks from open fires (7.9%). In order to quantify the concerns of respondents, the social costs of high-carbon fuel use, related to 2016 experiences is summarized in Table 2, indicating substantial income spending on healthcare. Table.2: Perceived social costs of high-carbon fuels Fuel-use challenge Nature of risk Percent househol d Average cost (US$), time or incident High fuel cost Income deficiency 44 $ 12 monthly Health risk Allergies 24.2 $.13 monthly Respiratory infections $.6.3 monthly Asthma $.11 monthly Eye infections $.10.4 monthly Accident risk Burns 7.9 15 incidents Suffocation 1 incident Limited fuel- hours - 5.5 2.5 fuel-hours daily Fuel collection delays - 5.2 2 hours daily Restricted fuel access - 5.3 - Limited study hours - 5.0 2.5 fuel hours daily Seasonal supply - 2.9 - Source: survey data 3.4 Proximity to the nearest power grid network Respondents estimated the distance from home to the nearest grid network or electricity pole, indicating that 52% of respondents reside 10-20 kilometers (km) away from the nearest grid line, with a significant number (13.9%) residing 20-30 km away from the nearest grid network. Figure 1 compares the proximity and connectivity of residents to the nearest power grid network. A significant number of households (27%) live less than a kilometer from the power grid but only 2% are connected, indicating that proximity to the power grid is a positive but not sufficient factor in rural electricity connectivity due to the low and intermittent income and pastoral lifestyle of households which is a significant barrier to clean energy access.
  • 4. International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018] https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678 www.aipublications.com/ijreh Page | 4 Fig.1: Distance and connectivity to the power grid network 3.5 Household clean energy preferences for lighting In order to assess the social preferences, trade-offs and ranking of clean energy projects, households selected from a range of clean energy products which include wind turbine, electric lighting, solar photovoltaic (PV), Pico solar, which are small rechargeable lamps with capacity for cell phone charging, and battery powered torches. To facilitate the social ranking of the most preferred lighting technology a Likert scale ranging from 1 (least preferred) to 6 (most preferred) was adopted. The Friedman rank test was adopted to derive the mean ranking of technologies, summarized in Table 3. Table.3: Preference rating of clean lighting technologies Technology selection by number of households Score Electri c lights Sola r PV Solar Pico Wind turbin e Gas lam p Batter y torch 6 60 27 10 5 34 4 3 28 3 3 9 19 2 15 3 9 3 1 8 3 9 46 Total score 368 332 129 121 96 52 Mean rank 5.46 5.25 3.3 3.4 2.4 1 Source: survey data The social ranking of clean energy technologies is presented in Figure 2. The most preferred modern lighting technology is electrical lighting, with a total preference score of 368 followed by solar panels with a preference score of 332 and Pico solar lamps with a score of 129. The least preferred lighting source is the battery torch with a score of 52 and gas lamps, with a score of 96. A Friedman test (ฯ‡2 (5) =151.37, p = 0.000) revealed a significant difference in the distribution of respondents between the groups of clean lighting technologies.Further testing using the Kendallโ€™s W test (Kendall W= 0.890) indicated a highly significant level of consensus among respondents on the rating of clean lighting technologies. The most significant attributes of electricity, as reported by respondents, are ease of doing business (23%) and affordability of power (19.8%). Solar products are preferred due to affordability (43%) while an equal number of respondents (17%) cited reliability of power supply and the absence of rationing as a reason for their preference. This implies that, in the absence of grid electricity, households are willing to trade-off the benefit of ease of doing business in their selection of alternative off-grid clean energy lighting sources. Fig.2: Household ranking of clean energy technology for lighting 3.6 Clean energy preferences for cooking Respondents, classified by gender, ranked their preferences of clean energy technologies for cooking among a variety of technologies such as electric cookers, biogas digesters, clean energy cook-stoves and portable liquid petroleum gas (LPG) stoves. The inclusion of electric cooking implements evaluates the trade-off in perceived attributes of clean off-grid products as a substitute to grid electricity. From the selection of 4 cooking implements, respondents ranked their preference from a score of 1 (least preferred) to 4 (most preferred) the results of which were subjected to a Friedman test to establish a mean ranking of preferred technologies as summarized in Table 4. Table.4: Preference rating of clean cooking technologies by gender Technology selection by number of respondents Electric cookers LPG gas stove Improved cookstove Bioga s Score M F M F M F M F
  • 5. International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018] https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678 www.aipublications.com/ijreh Page | 5 4 44 23 14 2 2 3 3 13 2 7 8 7 3 2 10 2 6 6 1 1 5 1 9 3 11 1 5 4 1 2 1 0 Total score by gender 18 5 95 12 6 17 52 52 5 5 2 9 Total score 280 143 104 84 Mean rank 3.46 3.22 2.5 2.18 The most preferred energy technology for cooking purposes is the electric cooker, with a male preference score of 185 and female score of 95. This is followed by LPG portable gas stoves with a male preference score of 126 and female score of 17 indicating a high male preference for modern cooking technologies, like electricity and gas. Clean energy cook stoves are ranked third with a score of 104 selected by a proportionate number of male and female respondents with an equal preference score of 52, indicating a strong potential for household market demand by women. The least preferred household energy source for cooking is biogas fuel reporting a score of 55 and 29 by male and female respondents respectively, reportedly due to the high equipment cost and cumbersome task of operating the cooking implement. Results subjected to Friedman test (ฯ‡2 (3) = 77.09, p = 0.000) revealed a significant difference in the distribution of responses between the different groups of cooking technologies. Further testing using the Kendallโ€™s W test (Kendall W= 0.627) indicated a fairly significant level of consensus among respondents on the rating of clean cooking technologies. Results showing the social ranking of technologies by gender are summarized in Figure 3. Fig.3: Ranking of clean off-grid cooking technologies by gender The ranking of clean energy preferences by gender implies that rural male-headed households have a high preference for electricity and LPG gas, while women, who are most likely to be the end users, have a high preference for clean cook stoves, which are perceived to be more accessible and practical for household use. Key stated attributes for electricity for cooking are time saving benefits (38%) and instant power access,without the need for fuel refills (19%). The stated principal attributes of gas stoves and clean cookstoves are affordability (33.6%) and portability (27.2%) which is perceived as convenient for a pastoralist lifestyle. In the absence of electricity access, this implies that households are willing to trade- off the perceived time-saving attribute of grid power in the selection of alternative clean off-grid cooking resources. 3.7 Perceived household benefits of clean energy Table 5 presents household perceptions regarding clean energy benefits. Findings reveal that that 14.6% of respondents are optimistic about the general household benefits of clean energy, which include income savings, clean and safe environment, time-savings in collecting fuel, increased fuel hours and study hours. The most significant benefit mentioned from the use of clean energy is income savings, by 31.8% households who expect to save 60% of their income. The perceived benefit of a pollution-free environment is cited by 12% of respondents, with 70% savings on health expenditure. In addition safe environment, with a 60% reduction in accidents, is also cited as a benefit by 9.9% of respondents. Table.5: Perceived social benefits of clean off-grid energy technologies Clean energy benefits Nature of benefit Percent Average gains Income savings Reduced fuel expenditure 31.8 60% savings General welfare All benefits 14.6 - Reduced indoor pollution Reduced health expenditure 12 70% savings Safe to use Reduced accidents 9.9 60% reduction Increased fuel output Increase in daily fuel hours 6 3 hours daily Business productivity Increased business output 6 30% expansion Time-saving Reduced fuel collection time 5.8 1.5 hours daily Improved study hours Increased daily study hours 4 3 hours daily
  • 6. International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018] https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678 www.aipublications.com/ijreh Page | 6 Agricultural productivity - 4 25% expansion Phone charging facility Increased daily charging hours 2 3 hours daily Fuel more accessible - 2 - Source: survey data Respondents, however, cited perceived barriers to clean energy access (Figure 4). Low income is the principle barrier, cited by 55% of respondents, who reported that the high cost of clean energy equipment and connectivity are significant constraints. Remote location of households was cited as a barrier by 10.6% of respondents, making it difficult to access clean energy markets. The temporary nature of dwellings and nomadic lifestyle was also perceived as a barrier to clean energy access by 9.3% of households. Institutional and government failures were noted by 8% of respondents, who felt left out of national clean energy expansion programs. Fig.4: Perceived household barriers to clean energy access 3.8 Willingness to pay for clean fuel The evaluation of willingness to pay for clean fuel reveals household energy consumption preferences when given an opportunity and financial capability to switch to affordable clean energy sources. Results revealed a wide consensus among 89.4% households regarding willingness to pay for clean energy if it is available and affordable. This implies that rural low-income households aware of clean energy would be willing to upgrade from traditional fuels, but are constrained by economic factors. Respondents that were willing to switch revealed the expected sources of finance for clean energy transition (Table 6). Most respondents (45.7%) expected financial support from the government and non-governmental organizations. Other expected sources of finance were personal savings (12.5%), loans from self-help groups (9.4%) and sale of livestock (8.8%). A significant number of respondents (21.9%) were unsure about potential sources of finance for clean energy, implying that they were not optimistic about overcoming financial barriers to clean energy. Table.6: Expected sources of finance for clean energy Expected sources of finance Percent household Government and NGO support 45.7 Uncertain about financial sources 21.9 Personal savings 12.5 Loans from self-help groups 9.4 Sale of livestock 8.8 Source: survey data In the absence of clean energy grants, 36.3% of household heads stated that they would expand their personal savings for future access to clean energy, 33.3% intended to continue using traditional fuels indefinitely, while 11.1% preferred to sell their livestock. A few respondents (5.5%) opted to seek credit facilities from community groups, while 13.8% were uncertain about alternative financial options available to them, implying that most low-income rural households would be likely to sustain the consumption of high-carbon fuels, reinforcing the need for financial assistance to bridge the clean energy gap. 3.9 Discussion Low-income households in remote rangelands have a strong reliance on firewood, charcoal and kerosene for cooking and lighting, leading to forest cover depletion, adverse health and safety impacts and financial instability, with over 30% income expenditure on traditional fuels. The strongest concern among households reliant on high-carbon fuels is high cost of fuels and healthcare costs, the most significant being allergy related health problems, costing low-income rural households an average of US$ 13 per month, about 43% of income. There is a high level of awareness about clean energy, especially among women, and a strong preference for electricity for lighting and cooking, particularly among male-headed households, despite the low connectivity rate. In the absence of electricity, households are willing to trade-off ease of doing business and time-saving attributes of grid power in their selection of alternative off-grid clean energy sources. Household off-grid preferences, therefore, reveal that clean technologies, such as solar home systems, LPG stoves and improved cookstoves have the highest value for remote, largely pastoral households due to the substantial level of social acceptability and willingness to upgrade. In addition, women, due to their comparatively high level of awareness about clean energy and its benefits, have a relatively stronger potential to transition to clean energy compared to their male counterparts.
  • 7. International journal of Rural Development, Environment and Health Research(IJREH) [Vol-2, Issue-4, Jul-Aug, 2018] https://dx.doi.org/10.22161/ijreh.2.4.1 ISSN: 2456-8678 www.aipublications.com/ijreh Page | 7 Most households, however, are inhibited by low incomes and will require State financial support in partnership with private sector initiatives, in order to accelerate inclusive access to clean energy. Potential end-users perceive clean energy to be electricity and are not well educated about low-carbon off-grid products in the market thus cannot make informed purchasing decisions and are likely to buy low-quality products or retain the use of high-carbon fuels. This confirms findings by DTI (2003) and Hirmer et al (2014) that user value and public understanding are crucial to off-grid clean energy acceptance and transition by rural communities. IV. CONCLUSION AND POLICY IMPLICATIONS Study results reveal positive household perceptions regarding off-grid clean energy transitions, especially among women. In the absence of grid power, there is a high preference for solar products, gas stoves and improved cook-stoves, but low household income, remote location and lack of awareness, with a measure of indifference, among largely male-headed households is a significant barrier to access. In order to expand inclusive clean energy access to remote households,national grants and targeted subsidies, including tariff exemptions, for clean energy technologies can be extended through budgetary allocations to support investors, informal vendors and deprived households To further support the up-take of clean off-grid energy, the State, through partnerships with the private and financial sector, supported by national and international grants, can provide attractive financial initiatives, such as low-interest clean energy loans or easy hire purchase programs for households. Financial initiatives should also be targeted towards women through womenโ€™s groups, since they have a strong potential to expand clean energy access to remote rural areas. Potential financial actors include cooperative societies, private developers, non- governmental organizations and micro-finance organizations. A household off-grid clean energy fund, sustained through national and international funding, including clean development mechanisms, can be developed to accelerate investment and delivery of clean power to remote rural areas. This fund can be used for clean energy grants to support energy sector actors, low-interest credit facilities for households and womenโ€™s groups, training and awareness programs. To fill the knowledge gap among remote rural communities and create awareness about the financial and health benefits of clean energy, national awareness and community education programs can be implemented through public-private partnerships with the local media and informal traders, who play a strong role in creating clean energy awareness.. This includes initiatives to build stakeholder capacity and make communities understand the essence of engaging national authorities in the policy and planning process, as this would translate into inclusive clean energy access. 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(2001). Environmental concern in a local context: The significance of place attachment. Environ.Behav. (33), 249-283.