More and more ancillary services are moving to EFA block procurement. But what does that actually mean? Now seems as good a time as any for a quick recap of exactly how the EFA day works.

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Data centers define PJM's 2046 load forecast

PJM's summer peak demand rises 58% to 253 GW by 2046. DOM, AEP, COMED, and PL have the largest data center pipelines, accounting for 74% of PJM's total annual demand growth.

MISO Ancillary Services: A beginner’s guide

Explainers

3 days ago

MISO Ancillary Services: A beginner’s guide

MISO operates five ancillary service products, but only regulation generates meaningful BESS revenue. DA prices rose from $11/MWh to $28/MWh.

Connecting to Spain’s transmission grid: BESS has dedicated headroom

Market Outlook

3 days ago

Connecting to Spain’s transmission grid: BESS has dedicated headroom

REE has detailed how much BESS can be connected as demand to the transmission grid. Theoretical available capacity for BESS is 97 GW, with 22 GW already having permits.

French BESS: 5 revenue trends to watch in 2026

Market updates

3 days ago

French BESS: 5 revenue trends to watch in 2026

France's battery fleet hit 1.5 GW, but aFRR revenues are compressing. Cross-market optimisation, solar cannibalisation, and nuclear ramping will define battery economics in 2026.

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