Centrica
Centrica plc is the FTSE-listed British energy and services group behind British Gas, the United Kingdom's largest household energy supplier, along with Bord Gais Energy in Ireland, Centrica Business Solutions, Centrica Energy (its wholesale power, gas and LNG trading arm) and the Hive connected-home brand. It sits across the whole value chain — upstream gas and storage at Rough, generation and battery flexibility, wholesale trading and route-to-market, retail supply to roughly ten million UK homes, and a field-service engineering business — after exiting North America with the sale of Direct Energy to NRG in January 2021 to refocus on the UK and Ireland. Its API posture is honestly closed: Britain mandated the smart-metering INFRASTRUCTURE (the licensed Smart DCC monopoly and the SMETS2 rollout) rather than a consumer data right, so Centrica has no Consumer Data Right, no Green Button and no standards-conformant consumer usage endpoint. The DESNZ non-domestic smart meter data access requirement that does bind it is discharged by a written request answered within ten working days, not by an API. Household consumers reach their own data only through the British Gas app and account login; business customers through the Energy360 DataView portal. The single publicly reachable developer surface found is the Centrica FieldOps Azure API Management developer portal — a partner field-operations platform in its development environment — and Centrica publishes no open grid or market data of its own, leaving that to NESO, Elexon and the DNOs.
Centrica is tracked in the API Evangelist network. This page is the human-readable profile that sits on top of the machine-readable index we maintain at apis.io.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Centrica is in the network as a tracked entity. We haven't yet indexed a public API surface for it — when one is published, the artifacts, score, and agent-readiness read will appear here automatically. The source repository is where that profile is built.
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