Frictions / grid-carbon
Cleanest time to run things
The cleanest window in the next day for a job of N hours on your bit of the GB grid, and when it goes dirty.
The forecast is free but it's 96 numbers per region per refresh. The useful part is the one sentence: run it at 2am.
Now (Default settings)
South Scotland (EH1) now 0 gCO2/kWh, very low. Under 40 for the next day, so any time is a good time.
South Scotland (EH1) now 0 gCO2/kWh, very low. Under 40 for the next day, so any time is a good time.
Source: Carbon Intensity API, National Grid ESO (CC BY 4.0). Checked every 1800 seconds, give or take.
Watch it
Sign in to watch this with your own settings. The tools below work without an account.
Its MCP server
claude mcp add --transport http lf-grid-carbon https://littlefrictions.smallmill.app/mcp/grid-carbon \
--header "Authorization: Bearer lf_your_token"| Tool | Does |
|---|---|
whats_new | Unread events for this friction |
current | The state right now |
subscribe | Watch it, with settings |
unsubscribe | Stop |
cleanest_window | When to run a job of a given length so it uses the cleanest electricity on this part of the GB grid. Answers in UK time and gCO2/kWh. |
forecast | The half-hourly carbon intensity forecast for the next N hours. |