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Smart Grid Gotland
Resultat från Smart Grid Gotland
Oslo, 2014, Daniel A. Brodén
Research
studies
HVDC cables
~170 MW wind power
- Wind power capacity ~170 MW
- Max grid capacity 195 MW
- HVDC capacity 2x130 MW
- ~21,000 detached houses
- 3 major industries
2012 Production & Consumption
HVDC cables
170→195 MW installed capacity
170→195 MW wind power
70→90 MW export
+25 MW
2012 Production & Consumption
HVDC cables
195→200 MW wind power
+5 MW
195→200 MW installed capacity
90→95 MW export
However, the risk still exists!
Max prod - Min cons =
200 - 65 = 135
135 MW > 130 MW!
2012 was risk free!
HVDC cables
200 MW wind power
+5 MW
Demand-Response
Demand-Response
Demand-Response can help
increase the hosting capacity of
wind power on Gotland and
solve congestion problems in
the network
DRMS = Demand-Response
Management System
Is it technically feasible to balance 5 MW additional
wind power capacity in the existing distribution
network with an Ancillary Service Toolbox?
Load shift
Load shift
Absorb prog.
error
Wind curtail.
HVDC cables
The cluster optimization is executed
sequentially where the ST cluster minimizes
the prognosis errors from the LT cluster
Long-Term Cluster
Optimized consumption
schedule set hourly
Short-Term Cluster
Prod
Cons
Peak hours
Load shift
LT prognosis
+5 MW
200 MW wind power
Optimized
consumption schedule
set 24 hours ahead
Prod
Cons
Load shift
Peak hours
ST+LT prognosis
Consumption model based on a journal
publication: “Forecasting household consumer
electricity load profiles with a combined physical
and behavioral approach”, Claes Sandels, Joakim
Widén, Lars Nordström, Applied Energy, 2014.
1900 detached houses needed to manage “worst-
case” congestion scenarios while satisfying
comfort constraints
Reduction of up to 700 detached houses when
including demand-response activity from a large
industry
Battery with 280 kWh capacity absorbs most of
the prognosis errors. A few wind curtailment
events are required.
More information: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-138575
More information:
http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-138575
• Analysis of grid market models to create incentivizes for
consumers to participate in demand-response
Study show small incentives to
participate in DR when flexibility is
part of the price settling in the day-
ahead market.
Need for an alternative
approach considering
system requirements
Source: Elforsk report 11:66 & 13:95
Study shows a significant effect on
market price variation when >
100,000 demand-response
participants are reacting to day-
ahead market
Swedish
electricity
bill
Practical
tests
Type of heating #
Electrical heater 54
Hot water boiler 87
Electrical radiator systems 29
Heat Pump (water based) 66
Electrical floor heating 4
Heat pump (air) 2
• 260 units installed today
• Optimizing on spot price
and time of use tariff
• Possibility for consumer
override
Energy Watch
Smart Temp Smart Plug Smart Control
Overview
components
Price
signals
Temperature
override
Peak at 9 am.
Heating ON after
morning OFF hours.
Peak at 10 pm. Low price
(heat on)
sgg.energywatch.se/TotalChart
SMART TECH
• Appreciate and use
remote control (heating
and appliances)
• Encourages further
development of new
features.
SMART SAVING
• Old (too) large houses
(Childen grown up)
• Direct electrical heating +
hot water boiler
• Strive to reduce energy
cost.
SMART
ENVIRONMENT
• Often heat pump in
combination with PV/wind
• Prioritizes environment
before cost
0.0%
5.0%
10.0%
15.0%
20.0%
25.0%
30.0%
35.0%
1 2 3 4 5 6 7 8 9 10
Very satisfiedDissatisfied
Customer satisfaction?
Based on approximately 200 participants
Very low extent Very high extent
To what extent has participants changed their consumption patterns?
Based on approximately 200 participants
• More data intensive analysis are expected later on
Typical analysis include:
• Consumer behavior
• Comfort variations
• Electricity bill savings
• And more
Smart Grid Gotland
Tack för din uppmärksamhet!
+46762185980, danbro@kth.se

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Resultat från Smart Grid Gotland

  • 1. Smart Grid Gotland Resultat från Smart Grid Gotland Oslo, 2014, Daniel A. Brodén
  • 2.
  • 3.
  • 5. HVDC cables ~170 MW wind power - Wind power capacity ~170 MW - Max grid capacity 195 MW - HVDC capacity 2x130 MW - ~21,000 detached houses - 3 major industries
  • 6. 2012 Production & Consumption HVDC cables 170→195 MW installed capacity 170→195 MW wind power 70→90 MW export +25 MW
  • 7. 2012 Production & Consumption HVDC cables 195→200 MW wind power +5 MW 195→200 MW installed capacity 90→95 MW export However, the risk still exists! Max prod - Min cons = 200 - 65 = 135 135 MW > 130 MW! 2012 was risk free!
  • 8. HVDC cables 200 MW wind power +5 MW Demand-Response Demand-Response Demand-Response can help increase the hosting capacity of wind power on Gotland and solve congestion problems in the network DRMS = Demand-Response Management System
  • 9. Is it technically feasible to balance 5 MW additional wind power capacity in the existing distribution network with an Ancillary Service Toolbox? Load shift Load shift Absorb prog. error Wind curtail.
  • 10. HVDC cables The cluster optimization is executed sequentially where the ST cluster minimizes the prognosis errors from the LT cluster Long-Term Cluster Optimized consumption schedule set hourly Short-Term Cluster Prod Cons Peak hours Load shift LT prognosis +5 MW 200 MW wind power Optimized consumption schedule set 24 hours ahead Prod Cons Load shift Peak hours ST+LT prognosis
  • 11.
  • 12. Consumption model based on a journal publication: “Forecasting household consumer electricity load profiles with a combined physical and behavioral approach”, Claes Sandels, Joakim Widén, Lars Nordström, Applied Energy, 2014.
  • 13. 1900 detached houses needed to manage “worst- case” congestion scenarios while satisfying comfort constraints Reduction of up to 700 detached houses when including demand-response activity from a large industry Battery with 280 kWh capacity absorbs most of the prognosis errors. A few wind curtailment events are required. More information: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-138575
  • 15. • Analysis of grid market models to create incentivizes for consumers to participate in demand-response Study show small incentives to participate in DR when flexibility is part of the price settling in the day- ahead market. Need for an alternative approach considering system requirements Source: Elforsk report 11:66 & 13:95 Study shows a significant effect on market price variation when > 100,000 demand-response participants are reacting to day- ahead market Swedish electricity bill
  • 17. Type of heating # Electrical heater 54 Hot water boiler 87 Electrical radiator systems 29 Heat Pump (water based) 66 Electrical floor heating 4 Heat pump (air) 2 • 260 units installed today • Optimizing on spot price and time of use tariff • Possibility for consumer override
  • 18. Energy Watch Smart Temp Smart Plug Smart Control
  • 20. Peak at 9 am. Heating ON after morning OFF hours. Peak at 10 pm. Low price (heat on) sgg.energywatch.se/TotalChart
  • 21. SMART TECH • Appreciate and use remote control (heating and appliances) • Encourages further development of new features. SMART SAVING • Old (too) large houses (Childen grown up) • Direct electrical heating + hot water boiler • Strive to reduce energy cost. SMART ENVIRONMENT • Often heat pump in combination with PV/wind • Prioritizes environment before cost
  • 22. 0.0% 5.0% 10.0% 15.0% 20.0% 25.0% 30.0% 35.0% 1 2 3 4 5 6 7 8 9 10 Very satisfiedDissatisfied Customer satisfaction? Based on approximately 200 participants
  • 23. Very low extent Very high extent To what extent has participants changed their consumption patterns? Based on approximately 200 participants
  • 24. • More data intensive analysis are expected later on Typical analysis include: • Consumer behavior • Comfort variations • Electricity bill savings • And more
  • 25. Smart Grid Gotland Tack för din uppmärksamhet! +46762185980, danbro@kth.se

Editor's Notes

  1. Kommentarer: Vad är Smart Grid Gotland? Projektmål? Vem är jag? Hur har jag varit inblandad?
  2. Kommentarer: Resultat från delprojekt att presenteras? Mitt arbetsområde?
  3. Kommentarer: Resultat från delprojekt att presenteras? Mitt arbetsområde?
  4. Kommentarer: Resultat från delprojekt att presenteras? Mitt arbetsområde?
  5. Kommentarer: Situationen på Gotland idag? Motivering till studie?
  6. Kommentarer: Hur såg det ut 2012?
  7. Kommentarer: Hur kan det se ut med mer vindkraft?
  8. Ancillary Services = Systemdrifttjänster