Live energy data and asset indices.
Follow prices, flows and balancing as they happen, and see what batteries, solar, wind, gas and compute earn. Free for anyone to use.
The dashboard. Today’s grid at a glance.
Where power is flowing, what it costs, and what it takes to keep the system in balance.
Prices
Wholesale and imbalance prices for every half hour, and how they move with wind and demand.
Open →Balancing
What NESO spends to balance the system, broken down by action, unit and boundary.
Open →Ancillary services
What frequency response and reserve pay, auction by auction, and how that has moved through the year.
Open →Revenue indices. What each asset earns.
Every assumption is written up in the methodology, so you can check the numbers yourself.
Battery Revenue Index
What a megawatt of battery earns from trading, response and capacity.
Open →Solar, wind and gas
The price each technology gets for its power, month by month, against baseload.
Open →Compute Index
How much an AI data centre could afford to pay for power. An early preview.
Open →See the grid now. Free, and updated every half hour.
Contains BMRS data © Elexon Limited copyright and database right 2026. Supported by National Energy SO Open Data (NESO Open Data Licence), including the Carbon Intensity API. Contains public sector information licensed under the Open Government Licence v3.0 (LCCC, Ofgem, DESNZ).