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A set of documented functions for simulating the performance of photovoltaic energy systems.

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**Describe the bug** #2488 is my source of inspiration. Grep'ed for `user_guide` pages, and these ones are the broken ones. Also, I've run linkchecker (output below). Feel free to provide...

documentation
easy

The error message from `ModelChain.infer_aoi_model` refers to a "aoi" model; there is no AOI model named `aoi`. I think this should have been `sapm'.

documentation

Open-meteo offers easy access of several meteorological datasets such as ERA5: https://open-meteo.com/ Note, it requires a paid plan for commercial usage. See previous discussion here: _Originally posted by @williamhobbs in...

enhancement
io

ERA5 has recently launched a [time series-specific database ](https://cds.climate.copernicus.eu/datasets/reanalysis-era5-single-levels-timeseries?) for ERA5 which brings down request times from +10 minutes to a few seconds. More detailed info on the API can...

io

Description: This pull request makes minor improvements to the documentation and references in the codebase: - Updates the docstring in `pvlib/bifacial/pvfactors.py` for clarity regarding the use of external implementations. -...

documentation

- Add detailed definitions for solar angles with range constraints - Clarify pvlib's east-of-north convention for azimuth angles - Add cross-references between related terms using :term: directive - Add coordinate...

documentation

SciPy now discourages the use of `interp1d`. From https://docs.scipy.org/doc/scipy-1.15.2/reference/generated/scipy.interpolate.interp1d.html : > This class is considered legacy and will no longer receive updates. While we currently have no plans to remove...

enhancement

**Describe the bug** The docstring for ```pvlib.tracking.singleaxis``` does not explain what the calculated tracker angle is based on. At the very least it should say that it minimizes AOI and...

documentation
easy

The EU JRC has published updated coefficients for what we call the `huld` model: https://doi.org/10.1002/pip.3926 We could update the coefficient values currently available in `pvlib.pvarray.huld`, or add these as new...

enhancement

**Is your feature request related to a problem? Please describe.** Some longer definitions and conventions are being removed from parameter descriptions in #2311 **Describe the solution you'd like** Migrate definitions...

documentation