EDF Energy

EDF Energy Ltd is the British integrated energy business wholly owned by Electricite de France (EDF), the French state-owned utility. Formed in 2002 from London Electricity, SWEB and SEEBOARD and enlarged by the 2009 acquisition of British Energy, it is one of the largest suppliers of electricity and gas in Great Britain with roughly five million customer accounts, and it is also Britain's largest generator of zero-carbon electricity — it operates the country's fleet of operating nuclear power stations (the advanced gas-cooled reactors at Hartlepool, Heysham 1, Heysham 2 and Torness, and the Sizewell B pressurised water reactor), is building Hinkley Point C, and owns wind, solar, battery (Pivot Power) and EV charging (Pod Point) businesses. It therefore sits at both ends of the GB value chain: a licensed generator and wholesale market participant, and the retailer of record holding the customer relationship, the billing account and the meter data. Its API posture is the opposite of the mandated-utility pattern. The United Kingdom has no consumer energy data-portability right — no Consumer Data Right, no Green Button obligation. Britain mandated infrastructure instead: the licensed Smart DCC monopoly carries smart-meter traffic under the Smart Energy Code, and EDF is bound by that as a licensed supplier, but it confers no third-party consumer data API. And yet EDF publishes one of the more substantial public API programmes of any European utility, because it does not run its own retail platform: in 2023 EDF licensed Kraken from Octopus Energy Group and completed the migration of 5.8 million customer accounts in fifteen months, so EDF's API is Kraken's API, branded for EDF GB at developer.edfgb-kraken.energy. That portal is fully public and was confirmed live at HTTP 200 on 2026-07-27. It publishes a first-party OpenAPI 3.0.3 document for a 27-path REST API, a second OpenAPI 3.0.3 document for a 16-path customer-migration API, and a GraphQL API whose schema — 2,492 types, 246 queries, 417 mutations — was harvested by anonymous introspection with no key and no account. EDF's retail tariff and product data is genuinely open: GET https://api.edfgb-kraken.energy/v1/products/ returned 21 live products at HTTP 200 anonymously, and the GraphQL energyProducts query returns real EDF tariffs with brand "EDF". Consumer usage and billing data is documented in the same contracts but requires an Authorization token issued to the account holder, or an OAuth application authorised against the OpenID Connect server at auth.edfgb-kraken.energy, whose anonymously served discovery document advertises 111 scopes including request:consumption-data and view:smartflex-data. Open market data is the gap: EDF discloses its REMIT generation unavailability on its own website as an HTML table, but the XML and CSV export links it publishes on that very page both return HTTP 404, and the machine-readable channel for those disclosures is Elexon's BMRS platform, which EDF does not operate — 27 EDF REMIT messages under registration code 48X000000000022A were confirmed there in a single week. Open on tariffs, gated on consumer data, broken on its own market-data exports, and none of it compelled.

Kin Score

This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance. Every facet and dimension name is a link: it opens that measurement's page on APIs.io, where the rating runs across the whole catalog — the exact checks that feed it, how every profiled provider distributes on it, and who is at the top of it.

How we profile EDF Energy

Each block below is one kind of artifact we hold for EDF Energy. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.

APIs 9

Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.

Individual APIs this provider publishes, each with its own machine-readable definition.

EDF Kraken GraphQL API

EDF Energy's primary developer API, and the surface EDF markets as its "open tariff APIs". It is the Kraken GraphQL API, licensed from Octopus Energy Group and hosted for EDF GB...

EDF Energy Account Import API

APIs for importing accounts.

EDF Energy Data Import API

The data-import API from EDF Energy — 1 operation(s) for data-import.

EDF Energy External Client Healthcheck API

The external-client-healthcheck API from EDF Energy — 1 operation(s) for external-client-healthcheck.

EDF Energy External Events API

The external-events API from EDF Energy — 1 operation(s) for external-events.

EDF Energy Post Account Import API

APIs for importing additional data after an account has been imported.

EDF Energy Query API

APIs for querying import status and retrieving data

EDF Energy V1 API

The v1 API from EDF Energy — 23 operation(s) for v1.

EDF Energy V2 API

The v2 API from EDF Energy — 1 operation(s) for v2.

Scroll within the panel for all 9 ·

Open Collections 2

Open, tool-agnostic collections carry the same runnable value as Postman without locking you to one client — the portable, forkable form of the same exercise.

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Kraken

OPEN COLLECTION

Kraken

OPEN COLLECTION

GraphQL 1

Where a provider ships GraphQL, the schema is the contract. We profile it alongside the REST surface so the whole interface is legible in one place.

GraphQL schemas published by this provider.

EDF Energy (EDF GB) Kraken GraphQL API

EDF Energy's primary API is a GraphQL API, because EDF Energy runs on Kraken — the energy

GRAPHQL

Rate Limits 1

Rate limits are the difference between a demo that works and a production integration that doesn't fall over. Publishing them is an operational-transparency signal — and a hard requirement for any agent that plans its own throughput.

Documented rate limits and quota policies.

Edf Energy Rate Limits

5 limits

RATE LIMITS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Edf Energy Authentication

apiKey/http/oauth2/openIdConnect · 8 schemes

SECURITY

Edf Energy Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes are the vocabulary of least-privilege access. Profiling them shows exactly what an integration — or an agent acting on a user's behalf — is allowed to do.

OAuth scopes governing access to this provider's APIs.

Edf Energy Scopes

111 scopes · authorizationCode/clientCredentials/deviceCode/tokenExchange

111 scopes

SCOPES

Agentic Access 1

An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.

Recommended x-agentic-access execution contracts for AI agents.

Edf Energy Agentic Access

43 operations · 18 acting

43 operations · 18 acting

AGENTIC

Resources

Every other property we hold for EDF Energy — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.

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