# Ameren

**Canonical:** https://apis.io/providers/ameren/  
**Website:** https://www.ameren.com/  
**APIs profiled:** 2

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.

## Kin Score — 11.9 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 11.9).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 9.5 |
| Commercial Clarity | 13.2 |
| Access Clarity | 13.2 |

Regulatory layer — **Energy & Utilities**: 16.2 (matched via tags).

## Agent readiness — 3.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (2)

- **Ameren Share My Usage API** — 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 e...
- **Ameren Renewables Portal API** — The Ameren Renewables Portal enables generation owners to manage community solar and collectively owned generation facilities, track subscriber accounts, and manage billing usag...

## Security (2)

- **Ameren Domain Security** — TLSv1.3 · HSTS · DMARC
- **Ameren Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Ameren Plans Pricing**

## Use cases (4)

- **Energy Usage Data Analysis** — Authorized third parties access up to 24 months of customer energy usage data for energy efficiency analysis, billing comparisons, and academic research.
- **Community Solar Management** — Generation owners manage community solar subscriber accounts and billing credits through the Renewables Portal.
- **Smart Home Integration** — Third-party apps and devices integrate with Ameren usage data via Green Button to provide energy management and automation services.
- **Retail Electric Supply Comparison** — Retail electric suppliers and comparison platforms access usage data to provide customers with competitive supply options.

## Tags

Utility, Energy, Electric, Natural Gas, Smart Grid, Green Button, Renewable Energy, Fortune 500

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/ameren/). Scores are computed from the provider's own public artifacts under a published rubric.