Live grid / Great Britain

Live · GB bidding zone

Great Britain electricity today: carbon and price, hour by hour

Electricity generated in Great Britain is running at about 94 g CO2e/kWh, and the day-ahead price for this hour is €187/MWh. The best four hours to run flexible compute in the next two days are Wed 14 Oct, 12:00–16:00 local time, with 44% less carbon than the average of the hours ahead.

Latest hour

Carbon intensity, g CO2e/kWh
94
Day-ahead price, €/MWh
187.3
Renewable share of generation, %
62
Fossil 15%, nuclear 13%
Cleanest-grid rank among the 15 markets tracked
8th
of 15

Updated 13 Oct 2026, 23:29 CEST. Refreshed every 10 minutes.

Cite as: ScienceShot Live Grid, Great Britain, 13 Oct 2026, 23:29 CEST, scienceshot.com/live-grid/great-britain.

The next 48 hours

Each bar is an hour (Central European time). Height is the day-ahead price, colour is carbon intensity, and the outlined block is the best four-hour window still ahead.

Loading the chart…

Hour by hour

From the current hour to the end of the horizon, in local time. The shaded rows are the best four hours for flexible compute.

Carbon intensity and day-ahead price by hour, BST.
Hour startingCarbon, g/kWhBasisDay-ahead, €/MWh
Tuesday 13 October
22:00 now84forecast187.3
23:0092forecastn/a
Wednesday 14 October
00:00100forecastn/a
01:00102forecastn/a
02:0094forecastn/a
03:0092forecastn/a
04:0094forecastn/a
05:00102forecastn/a
06:00108forecastn/a
07:00103forecastn/a
08:0092forecastn/a
09:0075forecastn/a
10:0065forecastn/a
11:0052forecastn/a
12:00 best 4 h44forecastn/a
13:00 best 4 h42forecastn/a
14:00 best 4 h44forecastn/a
15:00 best 4 h48forecastn/a
16:0058forecastn/a
17:0073forecastn/a
18:0084forecastn/a
19:0085forecastn/a
20:0084forecastn/a
21:0082forecastn/a
22:0080forecastn/a

Against the other markets

Where Great Britain sits in the latest hour.

Latest hour, cleanest first.
#MarketCarbon, g/kWhDay-ahead, €/MWhRenew­ables, %
1Norway (NO2)24105.199
2Sweden (SE3)313.744
3Switzerland33190.956
4France47187.617
5Belgium71211.788
6Denmark (DK1)78101.795
7Finland796.669
8Great Britain94187.362
9Austria107178.085
10Ireland113193.382
11Spain216194.534
12Italy (North)276197.944
13Germany337121.259
14Netherlands356146.745
15Poland732108.510

Region by region

The national figure hides a wide spread. Carbon intensity for the current half hour in each distribution region, cleanest first.

Regiong CO2/kWhIndex
North Scotland0very low
South Scotland0very low
North East England1very low
North West England19very low
North Wales & Merseyside46low
West Midlands54low
Yorkshire68low
East Midlands97moderate
South England128moderate
East England131moderate
London141moderate
South East England174high
South Wales325very high
South West England359very high

About this market

Grid operator

NESO, the National Energy System Operator, runs the Great Britain system.

Bidding zone

Great Britain is a single bidding zone and has traded outside EU day-ahead market coupling since 1 January 2021.

Generation in 2025

Largest sources: gas 31.1%, wind 29.4%, bioenergy 14.1% (nuclear 12.5%) (United Kingdom including Northern Ireland).

Data-centre rule

Since 12 September 2024 data centres have been designated Critical National Infrastructure, a security and resilience status rather than an energy rule.

Put this market on your site

The 48-hour panel for Great Britain refreshes itself every 10 minutes. Free to embed with the credit link left in place.

Other markets

Or see all fifteen on one screen on the live European grid dashboard.

Notes

  • Carbon intensity is estimated from each market’s generation by fuel. Forward hours follow the renewables forecast.
  • Prices are day-ahead wholesale, not what a site pays.
  • “Delayed” marks a series that missed its last refresh.

Data: Energy-Charts (Fraunhofer ISE) and national system operators.

ScienceShot dataset, checked 13 Oct 2026. How we build it: Method and standards.