Solar Data

io.github.hoodsy/solar-data-mcp

US open solar data for agents: PVWatts production, tariffs & ROI, market data, forecasts. 18 tools.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "solar-data-mcp": {
      "command": "uvx",
      "args": [
        "solar-data-mcp"
      ],
      "env": {
        "NREL_API_KEY": "<your NREL_API_KEY>",
        "OPENEI_API_KEY": "<your OPENEI_API_KEY>",
        "EIA_API_KEY": "<your EIA_API_KEY>",
        "AHJ_REGISTRY_TOKEN": "<your AHJ_REGISTRY_TOKEN>"
      }
    }
  }
}
Environment variables
  • NREL_API_KEYsecretFree key from https://developer.nlr.gov/signup/ — required for production modeling and irradiance tools
  • OPENEI_API_KEYsecretFree key for URDB utility tariff lookups (economics tools)
  • EIA_API_KEYsecretFree key for EIA electricity price data (economics tools)
  • AHJ_REGISTRY_TOKENsecretOptional SunSpec AHJ Registry token for permitting-authority lookups

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.1.1
Registry
active
Published
7/6/2026

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Add the badge to your site

Show visitors that Solar Data is listed here — it’s also the link we check for a free listing.

Solar Data — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-hoodsy-solar-data-mcp?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Solar Data — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Solar Data — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-hoodsy-solar-data-mcp?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.