Independent · UK · Since 2023
GB grid right now63%of Britain’s electricity is coming from low-carbon sources this half hourLive data Britain’s power, explained
Solar, wind, heat, storage, hydrogen and nuclear: how they work, what they cost and what they mean for the UK.
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Policy & markets · UKEnergy bills this winter: a 4% cap rise, VAT off electricity, and a forecast 16% jump in JanuaryHousehold energy bills in Great Britain changed on 1 October 2026 in two ways at once: Ofgem's price cap went up, and the government took VAT off electricity. A forecast published at the end of September suggests a much…Storage & gridOfgem gives NESO another month to issue Gate 2 grid connection offersOfgem has agreed to give the National Energy System Operator (NESO) one more month to send out the last of its Gate 2 Phase 1 grid…SolarUK To Expand Solar, Wind Power Projects In PhilippinesThe British Embassy in Manila is pleased to announce two significant developments in UK-Philippines renewable energy cooperation. The…
Britain’s grid in numbers
Data →Low-carbon share of GB electricityLast 24 hours
63%
Carbon intensityLast 24 hours
115gCO₂/kWh
Wind share of generationLast 24 hours
41%
30-day average carbon intensityLast 30 days
Range 27–247
121gCO₂/kWh
Great Britain, half-hourly to 8 Oct, 19:30 UK time. Source: NESO Carbon Intensity API. Live grid data →
Sectors
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SolarPanels, cells and the sun as a power source23 stories 
WindOnshore, offshore and floating wind11 stories 
Hydro & marineRivers, canals, tides and waves2 stories 
GeothermalHeat from the ground beneath us6 stories 
BioenergyBiomass, biofuels and energy from waste6 stories 
HydrogenGreen hydrogen and fuel cells3 stories 
NuclearFission, SMRs and the thorium question3 stories 
Storage & gridBatteries, pumped storage and smart grids8 stories 
Homes & buildingsEfficiency, heat and home renewables7 stories 
TransportElectric vehicles and clean travel3 stories 
Emerging techIdeas at the edge of energy16 stories 
Policy & marketsMoney, rules and the energy transition23 stories
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Energy-generating playgrounds: turning fun into power
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Canal-based hydropower systems
Small modular reactors (SMRs) in the energy transition
Solar-powered ice makers: how off-grid ice and cold chains work
The evolution of biomass energy: from ancient fire to modern power stations
Magnetic levitation trains: how maglev works and how much energy it uses
Gravity energy storage: lifting weights to store power
AlbedoThe share of incoming sunlight that a surface reflects, on a scale from 0 (absorbs everything) to 1 (reflects everything).Capacity factorHow much electricity a power plant actually produced over a period, as a share of what it would have produced running flat out the whole time.Small modular reactor (SMR)A nuclear fission reactor designed to be built mostly in a factory as standard modules, with an output of up to about 300 MW of electricity per unit.