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

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- [X] Partially addresses #1421 ([comment](https://github.com/pvlib/pvlib-python/issues/1421#issuecomment-2344049224)) - [X] I am familiar with the [contributing guidelines](https://pvlib-python.readthedocs.io/en/latest/contributing.html) - [ ] ~Tests added~ - [ ] ~Updates entries in [`docs/sphinx/source/reference`](https://github.com/pvlib/pvlib-python/blob/main/docs/sphinx/source/reference) for API changes.~...

documentation

- [X] Partially closes #2272 - [X] I am familiar with the [contributing guidelines](https://pvlib-python.readthedocs.io/en/latest/contributing.html) - [ ] ~Tests added~ - [ ] ~Updates entries in [`docs/sphinx/source/reference`](https://github.com/pvlib/pvlib-python/blob/main/docs/sphinx/source/reference) for API changes.~ -...

pvlib.data currently contains 1) databases for module and inverter models; 2) Linke turbidity values; 3) data files for tests and examples and 4) `variable_style_rules.csv`. Accurately described as a "junk drawer."...

**Describe the bug** https://github.com/pvlib/pvlib-python/blob/cbe4cc5a8bb3bb529f2dd885aebcd527fedbbc63/pvlib/spa.py#L1106 Personally, I don't find any signs that it may be a private function. However, it does not appear in the webpage: - https://pvlib-python.readthedocs.io/en/stable/search.html?q=transit_sunrise_sunset Well it's not...

We have our own wrappers in `conftest.py` for the three pandas `assert_X_equal` functions. We originally added those because the default tolerances of those functions changed in pandas 1.1.0 (see #1018)....

testing

**Is your feature request related to a problem? Please describe.** I have counted three variations of clear sky GHI in the docs: `clearsky` (in `clearsky.detect_clearsky`) `clearsky_ghi` (in `irradiance.clearsky_index`) `ghi_clearsky` (in...

- [x] Closes #2017 - [x] I am familiar with the [contributing guidelines](https://pvlib-python.readthedocs.io/en/latest/contributing.html) - [ ] Tests added - ~[ ] Updates entries in [`docs/sphinx/source/reference`](https://github.com/pvlib/pvlib-python/blob/main/docs/sphinx/source/reference) for API changes.~ - [...

> Using the key "first_solar_spectral_coefficients" in `module_parameters` is not well-documented. A user would have to look at `PVSystem.first_solar_spectral_loss` method to know to do this. _Originally posted by @cwhanse in https://github.com/pvlib/pvlib-python/pull/2253#discussion_r1797285310_

- [X] Closes #2202 - [x] I am familiar with the [contributing guidelines](https://pvlib-python.readthedocs.io/en/latest/contributing.html) - [ ] Tests added - [ ] Updates entries in [`docs/sphinx/source/reference`](https://github.com/pvlib/pvlib-python/blob/main/docs/sphinx/source/reference) for API changes. - [x]...

documentation

- [X] Relates to #1942 - [X] I am familiar with the [contributing guidelines](https://pvlib-python.readthedocs.io/en/latest/contributing.html) - [ ] ~Tests added~ - [ ] ~Updates entries in [`docs/sphinx/source/reference`](https://github.com/pvlib/pvlib-python/blob/main/docs/sphinx/source/reference) for API changes.~ -...

documentation