National Energy System Operator website screenshot

National Energy System Operator

The National Energy System Operator (NESO) is the independent operator responsible for planning and operating Great Britain's electricity and gas networks. NESO publishes operational, market, and forecasting datasets through its Data Portal, which exposes a CKAN v3 API for programmatic access to energy system data including wind forecasts, demand predictions, balancing services, and transmission constraints.

National Energy System Operator publishes 4 APIs on the APIs.io network, including Datastore API, Discovery API, Metadata API, and 1 more. Tagged areas include Energy, Electricity, Grid, Open Data, and United Kingdom.

National Energy System Operator’s developer surface includes developer portal, documentation, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub
32.7/100 thin ▬ flat Agent 22/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
4 APIs
EnergyElectricityGridOpen DataUnited Kingdom

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 32.7/100 · thin
Contract Quality 12.7 / 25
Developer Ergonomics 3.5 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.1 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 22/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/national-energy-system-operator: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 4

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

National Energy System Operator Datastore API

Query tabular data with filters or PostgreSQL-style SQL.

National Energy System Operator Discovery API

Discovery endpoints for organizations, datasets, and tags.

National Energy System Operator Metadata API

Retrieve metadata for datasets and resources.

National Energy System Operator Search API

Search endpoints for datasets and resources.

Open Collections 1

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

NESO Data Portal API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

National Energy System Operator Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

National Energy System Operator Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

National Energy System Operator Finops

FINOPS

Security Posture 2

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

National Energy System Operator Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

National Energy System Operator Vulnerability Disclosure

Hackerone · security.txt · contact published

SECURITY

Agentic Access 1

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

National Energy System Operator Agentic Access

9 operations

9 operations · 0 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Portal
Portal

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Access & Security 2

Authentication, authorization, and security posture

VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: national-energy-system-operator
name: National Energy System Operator
description: The National Energy System Operator (NESO) is the independent operator responsible for planning and operating
  Great Britain's electricity and gas networks. NESO publishes operational, market, and forecasting datasets through its Data
  Portal, which exposes a CKAN v3 API for programmatic access to energy system data including wind forecasts, demand predictions,
  balancing services, and transmission constraints.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/national-energy-system-operator.png
url: https://raw.githubusercontent.com/api-evangelist/national-energy-system-operator/refs/heads/main/apis.yml
created: '2026-03-16'
modified: '2026-05-19'
specificationVersion: '0.19'
tags:
- Energy
- Electricity
- Grid
- Open Data
- United Kingdom
apis:
- aid: national-energy-system-operator:national-energy-system-operator-datastore-api
  name: National Energy System Operator Datastore API
  description: Query tabular data with filters or PostgreSQL-style SQL.
  humanURL: https://www.neso.energy/data-portal
  baseURL: https://api.neso.energy/api/3/action/
  tags:
  - Datastore
  properties:
  - type: OpenAPI
    url: openapi/national-energy-system-operator-datastore-api-openapi.yml
  - type: Documentation
    url: https://www.neso.energy/data-portal/api-guidance
  - type: Portal
    url: https://www.neso.energy/data-portal
- aid: national-energy-system-operator:national-energy-system-operator-discovery-api
  name: National Energy System Operator Discovery API
  description: Discovery endpoints for organizations, datasets, and tags.
  humanURL: https://www.neso.energy/data-portal
  baseURL: https://api.neso.energy/api/3/action/
  tags:
  - Discovery
  properties:
  - type: OpenAPI
    url: openapi/national-energy-system-operator-discovery-api-openapi.yml
  - type: Documentation
    url: https://www.neso.energy/data-portal/api-guidance
  - type: Portal
    url: https://www.neso.energy/data-portal
- aid: national-energy-system-operator:national-energy-system-operator-metadata-api
  name: National Energy System Operator Metadata API
  description: Retrieve metadata for datasets and resources.
  humanURL: https://www.neso.energy/data-portal
  baseURL: https://api.neso.energy/api/3/action/
  tags:
  - Metadata
  properties:
  - type: OpenAPI
    url: openapi/national-energy-system-operator-metadata-api-openapi.yml
  - type: Documentation
    url: https://www.neso.energy/data-portal/api-guidance
  - type: Portal
    url: https://www.neso.energy/data-portal
- aid: national-energy-system-operator:national-energy-system-operator-search-api
  name: National Energy System Operator Search API
  description: Search endpoints for datasets and resources.
  humanURL: https://www.neso.energy/data-portal
  baseURL: https://api.neso.energy/api/3/action/
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/national-energy-system-operator-search-api-openapi.yml
  - type: Documentation
    url: https://www.neso.energy/data-portal/api-guidance
  - type: Portal
    url: https://www.neso.energy/data-portal
common:
- type: AgenticAccess
  url: agentic-access/national-energy-system-operator-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/national-energy-system-operator-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/national-energy-system-operator-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/neso-energy
- type: Website
  url: https://www.neso.energy/
- type: Portal
  url: https://www.neso.energy/data-portal
- type: Documentation
  url: https://www.neso.energy/data-portal/api-guidance
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com