WEC Energy Group website screenshot

WEC Energy Group

WEC Energy Group (NYSE: WEC) is one of the nation's premier energy companies, serving 4.4 million customers across Wisconsin, Illinois, Michigan, and Minnesota with electricity and natural gas service. The company operates through regional utilities including We Energies, Wisconsin Public Service, Peoples Gas, North Shore Gas, Minnesota Energy Resources, Michigan Gas Utilities, and Upper Michigan Energy Resources. WEC Energy Group offers customer-facing digital services including account management portals, mobile apps, and Green Button energy usage data access.

WEC Energy Group publishes 4 APIs on the APIs.io network. Tagged areas include Energy, Electric Utility, Fortune 500, Green Button, and Illinois.

The WEC Energy Group catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

29.2/100 thin ▼ -5.2 Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessEnterprise
4 APIs
EnergyElectric UtilityFortune 500Green ButtonIllinoisMichiganMinnesotaNatural GasNYSEUtilityWisconsin

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 29.2/100 · thin
Contract Quality 3.2 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 2.7 / 13
Governance 8.3 / 12
Discoverability 5.6 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 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/wec-energy: 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.

WEC Energy Group Customer Portal API

Web and mobile API powering the WEC Energy Group customer self-service portal. Enables customers to view account information, pay bills, manage alerts, view energy usage history...

Green Button Energy Usage Data API

Green Button is a standardized API for accessing customer energy usage data. Based on the ESPI (Energy Services Provider Interface) standard, it allows customers to authorize th...

We Energies Outage Map API

Real-time electricity outage information for We Energies service territory in Wisconsin. Provides geographic outage data, estimated restoration times, and affected customer coun...

Peoples Gas Customer Service API

Customer account and billing API for Peoples Gas, serving natural gas customers in the Chicago metropolitan area. Supports account management, bill payment, usage history, and s...

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Wec Energy Rate Limits

1 limits

RATE LIMITS

FinOps 1

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

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Wec Energy Context

0 classes · 23 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

WEC Energy Group API Rules

5 rules · 3 warnings 2 info

SPECTRAL

JSON Schema 3

Standalone JSON Schema definitions for this provider's data models.

WEC Energy Group Customer Account

16 properties

JSON SCHEMA

WEC Energy Group Outage Event

11 properties

JSON SCHEMA

WEC Energy Group Energy Usage Data

10 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Wec Energy Account Structure

0 properties

JSON STRUCTURE

Examples 1

Example request and response payloads for these APIs.

Wec Energy Usage Example

13 fields

EXAMPLE

Security Posture 1

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

Wec Energy Domain Security

TLSv1.2 · DMARC

SECURITY

Press 5

Recent news and press coverage referencing this provider.

WEC Energy Group posts 2025 results

2026-05-25

Exhibit 99.1

2026-05-25

Planned Data Centers Drive Up WEC Proposed Capex

2026-05-25

WEC Energy Group outlines $37.5B growth plan

2026-05-25

WEC Energy Group announces plan to increase dividend by ...

2026-05-25

Resources

Get Started 3

Portal, sign-up, and the first successful call

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Access & Security 1

Authentication, authorization, and security posture

Commercial 2

Pricing, plans, and the legal terms of use

Company 6

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: wec-energy
name: WEC Energy Group
description: 'WEC Energy Group (NYSE: WEC) is one of the nation''s premier energy companies, serving 4.4 million customers
  across Wisconsin, Illinois, Michigan, and Minnesota with electricity and natural gas service. The company operates through
  regional utilities including We Energies, Wisconsin Public Service, Peoples Gas, North Shore Gas, Minnesota Energy Resources,
  Michigan Gas Utilities, and Upper Michigan Energy Resources. WEC Energy Group offers customer-facing digital services including
  account management portals, mobile apps, and Green Button energy usage data access.'
accessModel:
  pricing: enterprise
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Enterprise
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://www.wecenergygroup.com/images/wec-logo.png
url: https://raw.githubusercontent.com/api-evangelist/wec-energy/refs/heads/main/apis.yml
created: '2024'
modified: '2026-07-25'
specificationVersion: '0.19'
apis:
- name: WEC Energy Group Customer Portal API
  description: Web and mobile API powering the WEC Energy Group customer self-service portal. Enables customers to view account
    information, pay bills, manage alerts, view energy usage history, and report outages. Accessible via the We Energies and
    Wisconsin Public Service customer websites and mobile apps.
  humanUrl: https://www.we-energies.com/
  tags:
  - Account Management
  - Bill Payment
  - Customer Portal
  - Energy Usage
  - Outage Reporting
  properties:
  - type: Customer Portal
    url: https://www.we-energies.com/customer-service/account-management/
  - type: Mobile App iOS
    url: https://apps.apple.com/us/app/we-energies/id1475985561
  - type: Mobile App Android
    url: https://play.google.com/store/apps/details?id=com.wecenergygroup.we
- name: Green Button Energy Usage Data API
  description: Green Button is a standardized API for accessing customer energy usage data. Based on the ESPI (Energy Services
    Provider Interface) standard, it allows customers to authorize third-party applications to access their electricity and
    gas consumption data. WEC Energy Group utilities support the Green Button Connect My Data standard for automated data
    sharing.
  humanUrl: https://www.energy.gov/data/green-button
  tags:
  - Energy Data
  - Green Button
  - ESPI
  - OAuth2
  - Smart Meter
  - Usage Data
  properties:
  - type: Documentation
    url: https://dev.greenbuttonalliance.org/
  - type: Standards
    url: https://www.energy.gov/data/green-button
  - type: Open Energy Info
    url: https://openei.org/wiki/Green_Button
- name: We Energies Outage Map API
  description: Real-time electricity outage information for We Energies service territory in Wisconsin. Provides geographic
    outage data, estimated restoration times, and affected customer counts. Powers the public-facing outage map.
  humanUrl: https://www.we-energies.com/outages-safety/outages/outage-map/
  tags:
  - Electricity
  - GIS
  - Outage Map
  - Real-Time
  - Wisconsin
  properties:
  - type: Outage Map
    url: https://www.we-energies.com/outages-safety/outages/outage-map/
  - type: Outage Reporting
    url: https://www.we-energies.com/outages-safety/outages/
- name: Peoples Gas Customer Service API
  description: Customer account and billing API for Peoples Gas, serving natural gas customers in the Chicago metropolitan
    area. Supports account management, bill payment, usage history, and service requests.
  humanUrl: https://www.peoplesgas.com/
  tags:
  - Account Management
  - Bill Payment
  - Chicago
  - Illinois
  - Natural Gas
  properties:
  - type: Customer Portal
    url: https://www.peoplesgas.com/my-account/
  - type: Website
    url: https://www.peoplesgas.com/
common:
- type: DomainSecurity
  url: security/wec-energy-domain-security.yml
- type: Website
  url: https://www.wecenergygroup.com
- type: Customer Portal
  url: https://www.we-energies.com/
- type: Peoples Gas Portal
  url: https://www.peoplesgas.com/
- type: Wisconsin Public Service Portal
  url: https://www.wisconsinpublicservice.com/
- type: Press Room
  url: https://www.wecenergygroup.com/newsroom/
- type: Investor Relations
  url: https://www.wecenergygroup.com/investor-relations/
- type: Careers
  url: https://careers.wecenergygroup.com/
- type: Sustainability
  url: https://www.wecenergygroup.com/sustainability/
- type: TermsOfService
  url: https://www.we-energies.com/help/legal/terms-of-use/
- type: PrivacyPolicy
  url: https://www.wecenergygroup.com/privacy-policy/
- type: LinkedIn
  url: https://www.linkedin.com/company/wec-energy-group
- type: Twitter
  url: https://twitter.com/WECEnergyGroup
- type: Vocabulary
  url: vocabulary/wec-energy-vocabulary.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
tags:
- Energy
- Electric Utility
- Fortune 500
- Green Button
- Illinois
- Michigan
- Minnesota
- Natural Gas
- NYSE
- Utility
- Wisconsin