---
title: "Latest monthly average retail electricity rate by sector"
method: GET
path: "/api/rate"
---

# Latest monthly average retail electricity rate by sector

`GET /api/rate`

## Request

- Base URL: `https://emission-factors.com`
- URL: `https://emission-factors.com/api/rate`
- Auth: none declared

## Query parameters

- `zip` string, required

## Response `200`

Residential, commercial, industrial, transportation, all-sectors prices from EIA Form 861 (sectors with no sales are omitted)

## Other responses

- `400`: Malformed ZIP
- `404`: No state mapping (e.g. Puerto Rico, territories)
- `503`: EIA API temporarily unavailable; retry (Retry-After header)

---

[API](https://skmtc.dev/emission-factors/apis/emission-factors-com-api.md) · [All operations](https://skmtc.dev/emission-factors/apis/emission-factors-com-api/llms.txt) · [OpenAPI document](https://skmtc.dev/emission-factors/apis/emission-factors-com-api/revisions/6a306ef2044a?raw)