REMA

Locational Signals for Electricity system flexibility alongside a national wholesale market

As the dust settles on the second REMA (Review of Electricity Market Arrangements) consultation, this blog reviews the debate on locational signals, their importance for flexibility, and the need for a more concrete articulation of what could be improved alongside a national wholesale market. It feels like we have been debating the options for improving locational signals

Do we need a more sophisticated approach to managing constraints?

In 2018-19 the average cost to resolve a thermal constraint in the GB power system was £109 / MWh. In 2022-23 it was £366 / MWh. The reason for the more than three fold rise? The increased cost of turning up gas power stations to replace curtailed renewable output. It is widely accepted that our

A review of Locational Marginal Pricing

Authors: Simon Gill, Keith Bell and Callum MacIver Extended Blog post: Available on the UKERC website Report document, including executive summary, full report and stakeholder engagement summary available via the University of Srtathclyde. Along with Keith Bell and Callum MacIver I’ve spent much of the past six months trying to understand the workings ofLMP. We’ve