Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Renewable & CHP Generators : A suppliers perspective Presentation by Steve Armitage Tel. 0113 289 5369 e-mail: [email protected] Agenda - large generators • • • • • • • • NETA Objectives NETA to date Supplier issues How you can help? Trading Options Renewable Generators Energy Management Centre Summary NETA Objectives • Meet the needs of the customer with respect to price, choice, quality and security of supply • Enable the demand to be met efficiently and economically • Enable costs and risks to be reduced and shared efficiently • Promote competition in energy markets NETA to date • • • • Imbalance prices volatility Extreme system buy/sell prices High imbalance surplus PX & Balancing Mechanism prices difficult to predict • Market prices increasing • Limited demand side participation • Lights still on! Supplier issues • • • • NETA penalises Imbalance Costs higher than anticipated Imbalance surplus Lack of GSP Demand limits no. of trading partners • Unable to unlock CCL value • Renewable obligation • Complex trading arrangements How you can help? • Be clear as to what you want • Be clear as to plant capability • Collate & share historic data: – Site details, MPAN, voltage, hh profile • Provide generation forecasts (& deviation from) • Estimate variation from generation forecasts Trading Options • Peaking, Standby, Base load or spill CHP, Renewable • Trading Options: – Independent Trading – Trading through others – Non Party Generation (SVA) • Contract duration Trading Options • • • • • SVA - Fixed Prices, Variable Prices CVA - Fixed Prices, Variable Prices, Trading Participation in balancing mechanism/PX Optionality Expect – low prices for un-predictability – imbalance pass through • Ancillary Services • Supply Renewable Generators • • • • • • • Market short - targets high Predictable/flexible Imbalance still an issue Notify non generation in advance ROC Trade ROC in addition to energy Long term contracts available Ancillary Services • Balancing Ancillary Services – “Insurance Policies” to assist NGC in balancing the Grid in real-time • Standing or “Fast” Reserve • Frequency Response • Others: warming contracts (contingency reserve), voltage constraints, reactive power Energy Management Centre Primary role to Balance parties energy position Services on offer: • Registration of BM Units • Submission of Final Physical Notifications (FPN’s) • Submission of bids & offers into the Power Exchange & Balancing Mechanism • Facilitate NGC Ancillary Services • Posting of ECVN’s & MVRN’s • Gas - Trading & Optimisation Summary • Losers? – Unpredictable/inflexible generators? – Base load generation? • Winners? – Flexible Users – Risk takers • Meeting the challenge