what all the fuss is about. 2 specific rules have taken centre stage for TSO services... Article 6(4) All balancing products shall be procured using pay-as-clear pricing. Why? Encourage participants to bid at their marginal cost. Article 6(9) All balancing capacity shall be produced less than 1 day before delivery. Why? Avoid paying for services we don’t need.
difficult to predict To reduce spend, the ESO won’t ‘overbuy’ STOR Highly volatile market (and high service cost!) £72k/day £28k/day 0 10 20 30 40 50 60 70 80 Current Market Efficient market (modelled by Modo) Avg. daily spend (£k) Average daily STOR spend
what all the fuss is about. Key takeaways • Be wary of complex auctions. • Auction design – impacts price • Designing new services is hard - getting this right first time is unrealistic.
what all the fuss is about. Long term Short term The move to real-time procurement Max contract length One-off Real- time Auction frequency 2017 2018 2019 2019 2020 2021 Future? EFR FFR FFR FFR phase 2 DC DC, DR, DM DC, DR, DM 4y 2y 1m 1w 1d 4h 30m One off Monthly Monthly Weekly Daily Daily Daily Simple Complex Operational complexity
owners with long-term revenue stability -£1,000 £1,000 £3,000 £5,000 £7,000 £9,000 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Monthly revenues (£/MW) Indicative monthly floor prices Revenues (net optimiser cut) Top-up Upside payment Floor price
what all the fuss is about. Key takeaways • Long term contracts are gone for good • The role of the optimiser is more important than ever. • In the new world of short-term, real-time markets, floor prices offer a solution.