Post on 24-May-2015
description
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
Les centrales virtuelles : une mise en oeuvre pas toujours facile
5/09/2014Smart EnergySion
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Brecht Zwaenepoel• Ghent University– Power-Link– Electrical Energy Laboratory
• PhD researcher (2011)
Introduction
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Virtual Power Plant– Collection of (different) DER– Participate in energy market– Deliver ancillary services
Introduction
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Distributed energy resources– Renewables– Combined Heat and Power– Electric vehicle charging stations– Emergency gensets– Waste heat recovery– Storage– Biogas plants– …
Collection of DER
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Different properties• Small individual size• High reliability risks
Collection of DERWhy aggregate?
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Trading energy– 1MWh– 15 min or 1h blocks– 14h day ahead gate closure
(Day ahead) market
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• System management• Integration RES• Possible better price
Why VPP
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
Belpex DAM
Prijs
[€/M
Wh]
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
Belpex DAM
Prijs
[€/M
Wh]
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
Belpex DAM
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
Ancillary services
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Fig prices
Imbalance market
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• OTC• DAM• Intraday• Imbalance• Reserve
Energy markets
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Software & communication• Prosumers• Energy Markets• Ancillary services
Virtual Power Plant
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• 100 MW RES• Waste heat, fixed daily output• Thermal grid, predictable demand
Example
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
Prediction errorWind
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
Prediction errorSun
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Predict heat demand• Sell remainder• Adjust in real time• Use thermal buffer
Thermal grids and VPP
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Balancing within own portfolio• Large economic benefits• Bilateral contracts with dispatchable units
Iberdrola Renewables
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Fenix• Ewis• Tradewind• Edison• Umbrella• Twenties• …
VPPs in projectsEurope
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Large investmens needed– (near) Real monitoring– Bidirectional communication
• Who is paying– DER units?– System operators?– Market operators?– Government?– …
Why not operational?Economics
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Many owners• Priority dispatch RES• Reliability• Profit sharing
Why not operatioal?Legal problems
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
• Problem awareness• Trust• Resistance to change• Unions
Why not operational?Social
Power-Link, Universiteit Gent - Wetenschapspark 1 - B-8400 Oostende info@power-link.be - www.power-link.ugent.be
Questions?