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Meteonorm

Meteonorm provides global solar irradiance, weather, and climate data — typical meteorological years (TMY), actual meteorological years (AMY), climate change scenarios, real-time observations, forecasts, and horizon/topography data — for solar energy planning, PV monitoring, energy trading, and building simulation.

For agents: Global solar irradiance, TMY/AMY, climate scenario and weather data for PV planning and building simulation, with REST API and web app.

solar irradiance datatypical meteorological yearclimate data apipv planningweather data

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T06:10:39.273Z. Cached copy · Source on meteonorm.com

# Meteonorm

> Meteonorm provides global solar irradiance, weather, and climate data — typical meteorological years (TMY), actual meteorological years (AMY), climate change scenarios, real-time observations, forecasts, and horizon/topography data — for solar energy planning, PV monitoring, energy trading, and building simulation.
>
> Meteonorm has been a trusted industry standard for solar and meteorological data since 1985, used by architects, engineers, energy traders, financial institutions, and scientists worldwide. Data is available through a REST API, a C library (DLL), and a browser-based web application, and is exportable in industry-standard formats (CSV, JSON, EPW, PVSyst, TMY3, WAC, IDA ICE, PVsol, Polysun, TRJ, SIA, PHPP10).
>
> Meteonorm is a branded product-line of [Meteotest AG, Bern, Switzerland](https://meteotest.ch/).

## Products

- [Home](https://meteonorm.com/): Overview of the Meteonorm product line-up and data services.
- [Climate](https://meteonorm.com/climate/): Typical Meteorological Year (TMY) and actual meteorological year (AMY) data, plus future climate change scenarios (SSP1-2.6, SSP2-4.5, SSP3-7.0), based on 10,000+ weather stations, 5 satellites, and reanalysis data. For PV planning and building simulation. Available via REST API, C library, and web app. Successor to Meteonorm 8.
- [Web Application](https://meteonorm.com/app/): Browser-based application for calculating and visualizing TMY/AMY and climate scenario data with a project-based workflow. Powered by the Climate API, exports to all major solar/building simulation formats.
- [Observation](https://meteonorm.com/observation/): High-resolution real-time and historical solar irradiance data based on satellite observations (hourly, 15-minute, 1-minute resolution), for PV monitoring and performance analysis. Available via API.
- [Forecast](https://meteonorm.com/forecast/): Short- and medium-term solar irradiance forecasts, combining satellite-based nowcasting with numerical weather prediction, for automated energy management and power trading. Available via API.
- [Horizon](https://meteonorm.com/horizon/): Global horizon-line and altitude/topography data (360° horizon at 1° resolution, elevation at 30m resolution) for shading analysis and geospatial modeling. Available via API (/horizon and /altitude endpoints).

## Documentation

- [API Documentation & Live Demos](https://docs.meteonorm.com): Interactive documentation and live demos for all Meteonorm APIs, no account required to try.
- [Climate API Reference](https://docs.meteonorm.com/api/climate)
- [Observation API Reference](https://docs.meteonorm.com/api/observation)
- [Forecast API Reference](https://docs.meteonorm.com/api/forecast)
- [Horizon API Reference](https://docs.meteonorm.com/api/horizon)
- [API Authentication](https://docs.meteonorm.com/overview/auth): Explains API authentication and how purchased subscriptions, bundles, and API keys are managed through the Meteotest customer portal.
- [Web Applic
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Machine-readable: GET /v1/resolve?q=meteonorm.com · GET /v1/domain/meteonorm.com · this page as Accept: application/json or text/markdown · MCP lookup_domain

Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.

Claim my listing on Agent Web Map for meteonorm.com:
1. POST https://agentwebmap.com/v1/sites/meteonorm.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://meteonorm.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/meteonorm.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/meteonorm.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

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