72-hour forecast
Great Britain (National Grid ESO)
AWS eu-west-2 · Azure UK South · zone GB · source ukCarbonIntensity · generated 06:14 PM UTC
min
66
g/kWh
avg
100
g/kWh
max
137
g/kWh
diurnal swing
71%
of avg
Carbon intensity over the next 72 hours
dashed lines = band thresholds · vertical = cleanest hour
Cleanest hours
Sat, 03:00 AM UTC
+9h from now
66g/kWhvery cleanSat, 01:00 AM UTC
+7h from now
68g/kWhvery cleanSat, 02:00 AM UTC
+8h from now
68g/kWhvery cleanSat, 04:00 AM UTC
+10h from now
70g/kWhvery cleanSat, 12:00 AM UTC
+6h from now
71g/kWhvery clean
Dirtiest hours
Fri, 06:00 PM UTC
+0h from now
137g/kWhcleanSat, 06:00 PM UTC
+24h from now
136g/kWhcleanSat, 07:00 PM UTC
+25h from now
136g/kWhcleanSat, 05:00 PM UTC
+23h from now
134g/kWhcleanSun, 06:00 PM UTC
+48h from now
134g/kWhclean
Plan a workload here
Set a deadline and an optional carbon budget; Tidegap will pick the cheapest+cleanest hour and hand you a CLI command.