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Transmission-connected generation for the latest half-hour, with the change since the half-hour before.
Britain's ten interconnectors. When there is spare wind, power flows out to Europe and Ireland; when it is calm, it flows in.
Wind, gas, solar and net interconnector flow (exports below zero) against the day-ahead wholesale price.
The wholesale price in Britain is usually set by gas. Wind pushes gas off the system and lowers the price, but on windy days much of the spare wind is sold abroad through the interconnectors, and that keeps British prices linked to Europe's. Prices only fall to zero or below when there is more cheap power than Britain can use and export.
We looked at this in detail in Wind, exports and free hours.
Generation and interconnector flows: Elexon BMRS (FUELHH), published as each half-hour closes. Generation figures and percentages cover transmission-connected plant; embedded (local) wind is not included. Solar: Sheffield Solar PV_Live national estimate, which includes rooftop panels. Price: N2EX day-ahead hourly. An FPRates project.