National Grid ESO · Pricing Plans

Neso Data Portal Plans

Access plans for the National Energy System Operator Data Portal APIs. Both the Carbon Intensity API and the NESO Data Portal CKAN API are freely available with no authentication required and no subscription fees. Access is governed by open data licensing (CC BY 4.0 / NESO Open Licence) rather than commercial tiers.

Neso Data Portal Plans is the machine-readable pricing-plan profile for National Grid ESO on the APIs.io network, conforming to the API Commons Plans specification.

It defines 1 plan, with named plans including Free Open Access.

Tagged areas include Energy, Electricity, Carbon Intensity, UK, and Open Data.

1 Plans
View Source
EnergyElectricityCarbon IntensityUKOpen DataSustainabilityGrid Operations

Plans

Free Open Access

Full access to all publicly available datasets and endpoints with no API key, no registration, and no subscription required. Both the Carbon Intensity API (api.carbonintensity.org.uk) and the NESO Data Portal CKAN API (api.neso.energy) are open to all users at no cost.

Work with this as data

Every plan here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for plans

4 MCP tools reach this
  • find_plansBrowse and filter every plan in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This plan 
curl "https://apis.io/api/v1/plans/neso-data-portal-plans"
All plans 
curl "https://apis.io/api/v1/plans?limit=25"

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