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GB Carbon Intensity by Postcode
x402
GB Carbon Intensity by Postcode is a paid API for AI agents from pennydatahq.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-31).
Returns the current half-hour carbon intensity forecast and generation mix for the GB electricity grid region corresponding to a UK postcode.
Price / call$0.002
Success—
StatusUnknown
How this service works
Penny Data: pay-per-call data for AI agents. UK Company Lookup, UK Postcode Lookup, UK Company Filing History, LEI Lookup, GB Carbon Intensity, ECB Euro Reference Rate, UK Food Hygiene Ratings, US Company Filings by CIK, Country Profile, US Weather Alerts, UK Company Brief and Australian Company Lookup, as JSON, paid per call in USDC on Base with x402. No API key or account.
Output
A JSON object containing the forecast window (from/to timestamps), the UK grid region and DNO region for the postcode, the intensity index (low/moderate/high/very high), the intensity value in gCO2/kWh, and a generation mix breakdown showing percentage contributions from gas, coal, wind, solar, nuclear, hydro, biomass, imports, and other sources.
Example use cases
EV smart charging decision
“Is right now a good time to charge my electric car? I'm in postcode OX4 — check the grid carbon intensity and tell me if it's low enough to be worth charging.”
Sustainability dashboard for office
“Pull the current carbon intensity and generation mix for our London office postcode EC2A so I can update our real-time sustainability dashboard.”
Green energy timing for home battery
“Check the carbon intensity for postcode LS1 — I want to know whether to discharge my home battery now or wait for a greener window on the grid.”
Technical details
Endpoint
GEThttps://pennydatahq.com/api/carbon/%7Bpostcode%7D?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time or near-real-time carbon intensity data scoped to a specific UK postcode or grid region, and you want a pay-per-call model with no API key setup. Prefer this over direct Carbon Intensity API calls when operating in an x402 micropayment environment or when you need the postcode-to-region mapping handled automatically.
Side effects
- Invalid or malformed postcode returns an error response
- Postcode outside Great Britain (e.g. Northern Ireland) may not be supported
- Temporary unavailability of upstream Carbon Intensity API
- Payment failure via x402 if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "2026-10-27T14:30Z",
"from": "2026-10-27T14:00Z",
"region": "South England",
"postcode": "RG10",
"dno_region": "SSE South",
"generation_mix": {
"gas": 20,
"coal": 0,
"wind": 42.5,
"hydro": 0,
"other": 0,
"solar": 20,
"biomass": 5.2,
"imports": 3.1,
"nuclear": 9.2
},
"intensity_index": "low",
"intensity_gco2_per_kwh": 85
}
}Tags
x402
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