{"uid":"cap_xORSkwf5LQqLsSU9E6Lkk","slug":"gridhub-carbon-intensity-by-zone-16d301d8","name":"GridHub Carbon Intensity by Zone","description":"Live wholesale electricity prices, demand, and generation mix across 25 grids in the US, UK, Australia, and Europe. Pay-per-call API access from $0.001.","url":"https://api.grid-hub.app/v1/carbon-intensity/%7Bzone%7D","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","pathParams"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["zone"],"properties":{"zone":{"enum":["US-CAISO","US-ERCOT","US-PJM","US-MISO","US-NYISO","US-ISONE","US-SPP","GB","AU-NSW","AU-QLD","AU-VIC","AU-SA","AU-TAS","DE-LU","FR","ES","IT-NO","NL","BE","PL","SE-3","NO-2","DK-1","AT","CH"],"type":"string","description":"Zone id from /v1/zones"}}},"queryParams":{"type":"object","properties":{"end":{"type":"string","description":"Window end, Unix seconds"},"limit":{"type":"string","description":"Max rows (up to 5000)"},"start":{"type":"string","description":"Window start, Unix seconds"},"sample":{"enum":["true"],"type":"string","description":"Free truncated sample, no payment or credentials"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":[{"ts":1787961600,"unit":"GBP/MWh","value":88.76},{"ts":1787963400,"unit":"GBP/MWh","value":91.2}],"zone":"GB","count":2,"metric":"carbon-intensity","license":"NESO-Open-Licence","attribution":"Supported by National Energy SO Open Data"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1hY8OeIHL7OEdngM8vaD7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live or historical carbon intensity time series (gCO₂eq/kWh or equivalent) for a specific electricity grid zone across 25 regions in the US, UK, Australia, and Europe.","exampleAgentPrompt":"What's the carbon intensity of the GB grid right now? Pull the last 10 data points from GridHub so I can see how clean UK electricity has been recently.","exampleUseCases":[{"title":"Renewable energy shift scheduling","prompt":"Check the carbon intensity for the CAISO zone over the last 6 hours — I want to see when the cleanest windows were so I can schedule our EV fleet charging accordingly."},{"title":"Sustainability dashboard for European grids","prompt":"Grab the current carbon intensity readings for DE-LU, FR, and ES from GridHub so I can update our sustainability dashboard with live European grid data."},{"title":"Carbon-aware compute workload timing","prompt":"What's the carbon intensity looking like for the US-PJM grid right now? I want to know if this is a good time to run our energy-intensive batch jobs or if I should wait for a cleaner window."}],"resultDescription":"A JSON object containing an array of timestamped carbon intensity readings for the requested zone, each with a Unix timestamp, numeric value, and unit. Also includes the zone ID, metric name ('carbon-intensity'), total count of rows returned, and a license/attribution field identifying the data source (e.g. NESO Open Licence for GB).","failureModes":["Invalid or unsupported zone ID returns an error — must use one of the 25 enumerated zone strings (e.g. 'US-CAISO', 'GB')","Start/end timestamps out of available data range may return empty data arrays","Exceeding the row limit of 5000 may truncate results silently","Missing payment (x402) causes a 402 Payment Required response — use the 'sample=true' query param for a free truncated preview","Network timeouts possible if querying large time windows near the 5000-row limit"],"whenToPreferThis":"Use this endpoint when you specifically need carbon intensity data (gCO₂eq/kWh or equivalent) for a named electricity zone, as opposed to wholesale price or demand data. It is the right choice for sustainability, carbon-aware computing, ESG reporting, or renewable scheduling applications. Prefer the sibling 'latest' or 'snapshot' endpoints if you only need the most recent single value; use this endpoint for time series over a custom window. The 'sample=true' parameter makes it easy to test without payment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:42:14.326Z","isFirstParty":false}