---
title: "EIA Short-Term Energy Outlook series: retail and wholesale electricity prices, ERCOT load and generation by fuel, U.S. generation shares, Henry Hub. Rows with status 'projection' are EIA projections, not observed values. Every row carries its unit, date and original source_url; incomplete days are flagged (complete=false), never filled. Response has `attribution` (TexasHomeBills™ + link) and `sources` (original publishers with URLs and terms)."
method: GET
path: "/market/steo"
---

# EIA Short-Term Energy Outlook series: retail and wholesale electricity prices, ERCOT load and generation by fuel, U.S. generation shares, Henry Hub. Rows with status 'projection' are EIA projections, not observed values. Every row carries its unit, date and original source_url; incomplete days are flagged (complete=false), never filled. Response has \`attribution\` (TexasHomeBills™ + link) and \`sources\` (original publishers with URLs and terms).

`GET /market/steo`

## Request

- Base URL: `https://texashomebills.com/api/v1`
- URL: `https://texashomebills.com/api/v1/market/steo`
- Auth: one of:
  - none
  - API key in header `X-API-Key`
  - HTTP bearer

## Query parameters

- `topic` string
- `id` string
- `start` string
- `end` string
- `limit` integer
- `offset` integer

## Response `200`

JSON with an `attribution` block; every item has `url` and a ready `cite` line to show users

## Other responses

- `400`: bad_request: invalid parameter (JSON with message and attribution)
- `401`: invalid_api_key: the key is unknown or revoked (JSON with attribution and get_key)
- `403`: pro_required: endpoint needs a key from an active Pro subscription
- `429`: rate_limited: JSON with limit, window, reset (Unix time), reset_at, retry_after, get_key; Retry-After header

---

[API](https://skmtc.dev/texashomebills/apis/texashomebills-texas-electricity-plans-and-market-data-api.md) · [All operations](https://skmtc.dev/texashomebills/apis/texashomebills-texas-electricity-plans-and-market-data-api/llms.txt) · [OpenAPI document](https://skmtc.dev/texashomebills/apis/texashomebills-texas-electricity-plans-and-market-data-api/revisions/5f2562edbc2e?raw)