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Energy management

by One Planet Sutton on Apr 06, 2011

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Presentation given to the Hackbridge Green Business Network by the energy team at BioRegional.

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Presentation given to the Hackbridge Green Business Network by the energy team at BioRegional.

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Why are we here?First of all, saves money! Another important thing – reduces carbon dioxide emissions. General rule – as you reduce carbon dioxide emissions you reduce energy consumption = saving £Employee recruitment and retentionGov regs: CRC (currently 6,000 MWh) to be expanded – likely to be greater than £12 tonne, so thinking about an extra pence per KWh/ unitThe levy is applied as a specific rate per nominal unit of energy. There is a separate rate for each category of taxable commodity:electricity = £0.0043 per kilowatt hourgas supplied by a gas utility or any gas supplied in a gaseous state that is of a kind supplied by a gas utility = £0.0015 per kilowatt hourany petroleum gas, or other gaseous hydrocarbon supplied in a liquid state = £0.0096 per kilogramany other taxable commodity = £0.0117 per kilogram
Sainsbury’s: refrigeration and heatingPrecious Little One – installed a new heating system - £10,000. Payback = 2 years
WARM-UPLeaving screen on stand-by, etc. Construct listLeaving the computer plugged in (2W), leaving the fridge door open, lights on when there’s enough daylight
Out of these, which are the biggest consumers of electricity?How do we tell? Energy = power x timeNB. Computer- notincl the screen
First, ask then if they have heard of itThen fill in the triangleNB. Can apply these hierarchies to allWhere energy management comes in- Costs increase with increasing hierarchy
?are you familiar with these? Does anyone have one? Why bother? Could be a useful tool, esp for staff-they show real-time elec usage, cost and C emissions-some connect to your computer via a USB stick so that the data is uploaded and ready for you to analyse.They DON’t monitor gas consumptionThey DON’t report to your energy companyEST – 5-15% in energy savings. The monitor doesn’t do that itself, it just shows you the results of your e-saving actions.look our for free offers from energy suppliers! If you would like to try one, just say and we can come and install one
Good to go on a walk-around to start thinking about and identifying your energy usage. This is what we do when conducting an energy audit.!use the Carbon Trust or CSE checklist. Get the audience to look at the checklist and provide ideas on what to look out for for each category. Write them down on a flipchart then discuss possible solutions, and how costly and easy they are to implement.
ASK THEM TO REFER TO CT CHECKLIST
Clothing, Temperature (19-20C) controls (room thermostats, thermostatic radiator valves)Thermostats – where are they? Do you have one? Do you know how to adjust them?How much do they cost? How are they installed?
- How water needs to reach 60oC to kill Legionaire’s disease. You could just raise it to this once a day, or when you need particularly hot water (after lunch – washing up)-EST good advice on boilersPicture to explain efficiencyTom’s boiler range review – explains everything you need to know
What you can seeAsk – what is it like? Do people turn things off in your workplace?Assess costsReplace T12 with T8 tubes – 10 % energy saving, similar lamp cost(can convert T12 to T8, T5 require whole new fitting)Have you got any? E-saving bulbs: use significantly less E to produce the same amount of light, and last a lot longer – so good that it is worthwhile economically to replace your incandescent bulbs today! (although it seems like a waste – it isn’t!)- better quality light, less time to reach brightness
Stickers: Sam has someStaff champions: last one in at night, off at lunchtime, off during meetings, etcPICTURES!Motion sensors - £80 to install (small building, couple of circuits), less than 2 year paybackLight detector – photocell - £200, less than one year payback!focus first on rooms which are least usedWe have them in the toilet
Motion sensors - £80 to install (small building, couple of circuits), less than 2 year paybackLight detector – photocell - £200, less than one year payback!focus first on rooms which are least usedWe have them in the toilet- Could save you up to 30%
Replace T12 with T8 tubes – 10 % energy saving, similar lamp cost(can convert T12 to T8, T5 require whole new fitting)Have you got any? E-saving bulbs: use significantly less E to produce the same amount of light, and last a lot longer – so good that it is worthwhile economically to replace your incandescent bulbs today! (although it seems like a waste – it isn’t!)- better quality light, less time to reach brightness
If you have time, look for figures
We then arrange the post-its on a grid: cost vs ease of doing it Once arranged the audience can then identify which steps they could start implementing first, eg. those steps in the bottom right hand corner=>some take home, easy actions

Energy management — Presentation Transcript

Energy ManagementGreening Businesses – workshop 2
Agenda
Why bother with energy management?
Managing your energy: an approach
Key topics
Activity
Why?
Save £
Reduce CO2 emissions
Reputation
Government regulations
Case studies
Reduced energy bills by 15 %
£9 million saved annually
- Reduced CO2 emissions by 27 tonnes
- £5,000 saved annually
Precious Little One
What wastes energy?
over-filling the kettle
leaving the lights on
Leaving the computer screen on over lunch
Leaving the printer on
Old, inefficient boiler
Which consumes the most energy?
0.02 kW
0. 08 kW
3 kW
166 kWh
156 kWh
175 kWh
Managing Your EnergyThe Energy HierarchyMonitoringThe Walk Around
How to reduce your energy consumption? (and become more sustainable)
Energy hierarchy:
use less
energy efficiency
renewable energy
Monitoring
1. Energy bills
2. Energy monitors
Range from £20 - £35
…by energy consumed
…by environmental impact
Winter
Summer
Summer
…by cost
- Roughly the same
Winter
Summer
Summer
Winter
Summer
Summer
The walk around
Insulation & draught proofing
Things to think about...
use less
energy efficiency
renewable energy
Insulation & draught proofing - solutions
Space and water heating
Things to think about
use less
energy efficiency
renewable energy
Space and water heating – solutions
Space and water heating – solutions
Room thermostat
Range from £15 - £100
Thermostatic radiator valve
£15
Heating –what can you do?
60 % efficient means:
60 % heat
100 % fuel
40 % lost
Lighting
Things to think about...
use less
energy efficiency
renewable energy
Lighting – solutions
Lighting - solutions
Motion/ occupancy sensors
2 year pay-back
Light sensor switch
1 year pay-back
Lighting – solutions
Increasing efficiency
Lighting – solutions
40 W
9 W
Appliances
Things to think about
use less
energy efficiency
renewable energy
Appliances - solutions
Appliances - solutions
- Put computers on standby when you go into a long meeting or on lunch
- Reduces your computer’s energy use by 98%
- Saves £10/year/employee
Renewable energy
Solar thermal cells
Solar photovoltaic cells
Biomass
Heat pump
Wind turbine
Green energy tariffs
Renewable energy & finance
Feed in Tariff (FiTs)
Renewable Heat Incentive (RHI)
Finance
What would you do?
Have a think about what you would do in your workplace to achieve minimum energy consumption, regardless of cost or how difficult it is.....
Write each idea down on a post-it
Action Plan
£
easy
hard
Useful references
Carbon Trust
Energy Saving Trust
Sust-it.net
Uswitch.com
Thank you for your time!

Energy management

by One Planet Sutton on Apr 06, 2011

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Energy management — Presentation Transcript