Callum MacIver @cmaciver11.bsky.social · 03/07/2026Do we ever get to find out where the 2nd place (Con) switchers would have gone if they'd amassed 5 fewer votes? 200
Callum MacIver @cmaciver11.bsky.social · 28/04/2026On the anniversary of the Iberian blackout, some reflections from me on the challenges of running a low carbon power system. Renewables are not a blocker, they just present a slightly different set of engineering challenges that we need to meet head on to maintain stable and reliable grid operation. 032
Reposted by Callum MacIverUK Energy Research Centre @ukerc.bsky.social · 28/07/2025Check out our latest Talking Energy podcast. Following the recent Government decision to reject zonal pricing, @cmaciver11.bsky.social and Robert Gross why the Government decided not to proceed with zonal pricing plan, and what their focus should turn to. ukerc.ac.uk/multimedia/t...ukerc.ac.ukTalking Energy: The UKERC Podcast – Explaining the Government’s Decision on Zonal Pricing with Callum MacIverIn this episode, Rob Gross talks to UKERC and University of Strathclyde researcher Callum MacIver about the... 002
Callum MacIver @cmaciver11.bsky.social · 11/07/2025There is quite a bit of low hanging fruit associated with simply getting BMU's to submit correct data to NESO (which they can be surprisingly bad at) and to properly engage in the BM itself. 120
Callum MacIver @cmaciver11.bsky.social · 10/07/2025NESO have made a big push to get these assets to offer reasonable prices in the BM to be kept on to manage big cliff edge drops. This has started to work. One of the issues was a lot of wind would just submit default turn up offers of 9999 all year regardless of situation... 130
Reposted by Callum MacIverUK Energy Research Centre @ukerc.bsky.social · 24/06/2025Our latest blog takes a closer look at why curtailment costs are soaring, and how network availability plays a pivotal role. Read it in full below⤵️ @cmaciver11.bsky.social @strathcep.bsky.social ukerc.ac.uk/news/transmi...ukerc.ac.ukTransmission Network Unavailability – the Quiet Driving Force Behind Rising Curtailment Costs in Great BritainIn this blog, Callum MacIver and Keith Bell set out to dig a little deeper into the current state of wind curtailment. 013
Callum MacIver @cmaciver11.bsky.social · 30/04/2025So I think what we're saying is Greg Taylor is going to see off KT as well and remain the 1st choice left back for all eternity. 110
Callum MacIver @cmaciver11.bsky.social · 31/03/2025I made a surprise TV debut on Friday's BBC Scotland News at 7 show, responding to Greg Jackson's pitch for zonal pricing 141
Reposted by Callum MacIverUK Energy Research Centre @ukerc.bsky.social · 27/03/2025UKERC models the impact of zonal pricing on CfD auctions needed to hit CP30. Implementing zonal pricing when transmission build is uncertain puts the cart before the horse, exposing investors to unnecessary risks, pushing up strike prices by up to £20/MWh. ukerc.ac.uk/publications...ukerc.ac.ukZonal Pricing, Volume Risk and the 2030 Clean Power TargetNew UKERC modelling is assessing the interactions between transmission build-rates and the possible introduction of... 122
Callum MacIver @cmaciver11.bsky.social · 20/11/2024Yes, for much of recent history pre 2020 when gas prices were relatively low and stable, nuclear for example would be selling on rolling 1-2 year forward contracts that just about undercut the prevailing market rate but no more... 040