Ameren

aid: ameren
name: Ameren
description: Ameren Corporation is a regulated electric and natural gas utility serving customers in Missouri and Illinois.
  The company provides reliable energy delivery, smart grid infrastructure, and renewable energy programs. Ameren Illinois
  implements the Green Button Connect My Data program (Share My Usage) based on the ESPI standard, enabling authorized third
  parties to access customer energy usage data. Ameren also operates a Renewables Portal for community solar generation owners
  and participates in grid modernization initiatives.
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Utility
- Energy
- Electric
- Natural Gas
- Smart Grid
- Green Button
- Renewable Energy
- Fortune 500
url: https://raw.githubusercontent.com/api-evangelist/ameren/refs/heads/main/apis.yml
created: '2026-03-23'
modified: '2026-04-19'
specificationVersion: '0.19'
apis:
- aid: ameren:share-my-usage-api
  name: Ameren Share My Usage API
  description: The Ameren Illinois Share My Usage API implements the Green Button Connect My Data program, providing authorized
    third parties access to up to 24 months of historical electric energy usage data for residential and small commercial
    customers via the ESPI (Energy Services Provider Interface) standard. Authentication uses OAuth with customer authorization
    via Ameren Illinois online accounts. Operated by data custodian Aclara.
  humanURL: https://www.ameren.com/partners/account-and-data/share-my-usage
  baseURL: https://api.ameren.com
  tags:
  - Green Button
  - Energy Data
  - ESPI
  - Smart Meter
  - Data Sharing
  properties:
  - type: Documentation
    url: https://www.ameren.com/partners/account-and-data/share-my-usage
  - type: Authentication
    url: https://www.ameren.com/partners/account-and-data/share-my-usage
- aid: ameren:renewables-portal-api
  name: Ameren Renewables Portal API
  description: The Ameren Renewables Portal enables generation owners to manage community solar and collectively owned generation
    facilities, track subscriber accounts, and manage billing usage credits in Illinois. Supports community renewable energy
    including solar, wind, hydro-electric, fuel cells, and agricultural energy sources.
  humanURL: https://www.ameren.com/service/renewables/developers/renewables-portal
  baseURL: https://anm.ameren.com
  tags:
  - Renewable Energy
  - Community Solar
  - Generation Management
  - Illinois
  properties:
  - type: Documentation
    url: https://www.ameren.com/service/renewables/developers/renewables-portal
  - type: Portal
    url: https://anm.ameren.com/illinois/registration
common:
- type: GitHubOrganization
  url: https://github.com/AmerenCorp
- type: LinkedIn
  url: https://www.linkedin.com/company/ameren
- type: Website
  url: https://www.ameren.com/
- type: Portal
  url: https://www.ameren.com/partners/account-and-data/share-my-usage
- type: Features
  data:
  - name: Green Button Connect My Data
    description: Standard-based program (ESPI/NAESB) enabling authorized third parties to access customer electric energy
      usage data with OAuth customer authorization for energy analysis, billing, and research.
  - name: Smart Meter Infrastructure
    description: Advanced smart meter deployment enabling two-way communication, real-time usage monitoring, and automated
      data collection for Illinois and Missouri service territories.
  - name: Community Solar Renewables Portal
    description: Online portal for community solar and generation owners to manage subscriber accounts and billing usage credits
      in Illinois.
  - name: Outage Management and Restoration
    description: Advanced outage detection, automated notification, and faster power restoration capabilities through smart
      grid infrastructure.
  - name: Energy Efficiency Programs
    description: Rebates and incentive programs for residential and business customers to reduce energy consumption and improve
      efficiency.
- type: UseCases
  data:
  - name: Energy Usage Data Analysis
    description: Authorized third parties access up to 24 months of customer energy usage data for energy efficiency analysis,
      billing comparisons, and academic research.
  - name: Community Solar Management
    description: Generation owners manage community solar subscriber accounts and billing credits through the Renewables Portal.
  - name: Smart Home Integration
    description: Third-party apps and devices integrate with Ameren usage data via Green Button to provide energy management
      and automation services.
  - name: Retail Electric Supply Comparison
    description: Retail electric suppliers and comparison platforms access usage data to provide customers with competitive
      supply options.
- type: Integrations
  data:
  - name: Green Button Alliance
    description: Ameren Illinois participates in the national Green Button initiative providing standardized energy data access
      across utilities.
  - name: Aclara
    description: Aclara serves as Ameren Illinois's authorized data custodian for the Share My Usage Green Button program.
  - name: ESPI Standard
    description: Energy Services Provider Interface standard from NAESB for energy usage data exchange in XML format via authenticated
      API.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com