[Python-announce] ANN: pvlib-0.9.5 released

2023-03-20 Thread Dr. Mark Alexander Mikofski PhD
Dear Pythonistas and solar power enthusiasts,

The maintainers are happy to announce a new release of pvlib python:
software for simulating performance of photovoltaic solar energy systems.

*v0.9.5 Highlights:*
* The infinite_sheds model now has options to use the hay-davies
transposition model and faster vectorized calculations.
* New models for irradiance decomposition (boland) and relative airmass
(gueymard2003).
* Model extensions for multiple strings in pvlib.snow.loss_townsend and AR
coating in pvlib.iam.physical.
* Updated the parameters database for the ADR inverter model.
* Various other bug fixes and testing updates.

For the full list of what's new, see the documentation:
https://pvlib-python.readthedocs.io/en/stable/whatsnew.html

*Releases are available from PyPI and the conda-forge channel:*
* https://pypi.org/project/pvlib/
* https://anaconda.org/conda-forge/pvlib and
https://anaconda.org/conda-forge/pvlib-python
NOTE: new pvlib releases are no longer uploaded to the "pvlib" conda
channel.  Please install from PyPI or the conda-forge channel instead.

*Read the Documentation:*
* https://pvlib-python.readthedocs.io/en/stable/index.html

*Report issues & contribute:*
* https://github.com/pvlib/pvlib-python

*Community discussion & support:*
* https://groups.google.com/g/pvlib-python
* https://github.com/pvlib/pvlib-python/discussions

*Thank you for using pvlib python!*

-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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[Python-announce] ANN: pvlib-0.9.4 released

2023-02-05 Thread Dr. Mark Alexander Mikofski PhD
Dear Pythonistas and solar power enthusiasts,

The maintainers are happy to announce a new release of pvlib python:
software for simulating performance of photovoltaic solar energy systems.

*See what's new for v0.9.4:*
** *https://pvlib-python.readthedocs.io/en/stable/whatsnew.html

*Releases are available from PyPI and the conda-forge channel:*
* https://pypi.org/project/pvlib/
* https://anaconda.org/conda-forge/pvlib and
https://anaconda.org/conda-forge/pvlib-python

*Read the Documentation:*
* https://pvlib-python.readthedocs.io/en/stable/index.html

*Report issues & contribute:*
* https://github.com/pvlib/pvlib-python

*v0.9.4 Highlights:*
* Fitting

 and prediction

functions
for the ADR PV efficiency model, along with several gallery examples

.
* An extension of the Faiman temperature model

that
includes a radiative loss term.
* Efficient direct

 and diffuse

IAM
models based on the Schlick approximation to the Fresnel equations.
* A convenience function

to
calculate one of DNI, DHI, GHI from the other two.
* The Hay-Davies

transposition
model can now return individual components in addition to global tilted
irradiance.
* An implementation of ASTM E1036

for
extracting the basic characteristics of an I-V curve.
* There were several new contributors.

*Thank you for using pvlib python!*

-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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[Python-announce] ANN: pvlib-0.9.3 released

2022-10-13 Thread Dr. Mark Alexander Mikofski PhD
Dear Pythonistas and solar power enthusiasts,

The maintainers are happy to announce a new release of pvlib python:
software for simulating performance of photovoltaic solar energy systems.

*See what's new for v0.9.3:*
** *https://pvlib-python.readthedocs.io/en/stable/whatsnew.html

*Releases are available from PyPI and the conda-forge channel:*
* https://pypi.org/project/pvlib/
* https://anaconda.org/conda-forge/pvlib
* https://anaconda.org/conda-forge/pvlib-python

*Note: you can now install from conda-forge using either "pvlib" or
"pvlib-python"*

*Read the Documentation:*
* https://pvlib-python.readthedocs.io/en/stable/index.html

*Report issues & contribute:*
* https://github.com/pvlib/pvlib-python

*Highlights:*
* Anton Driesse has joined the maintainers. Anton has been a consistent
contributor, a frequent poster on Google Groups, and a fixture in the PV
modeling community for many years. We gladly welcome Anton and are grateful
for his support.
* Several new functions to calculate spectral mismatch

of
photovoltaic devices between incident and reference spectra. Compare this
to the existing FSLR spectral mismatch function.
* The Townsend snow loss model

is
now available. Compare this with the existing snow loss model from Marion.
* A new generic linear temperature model

function
and class that can convert between PVsyst, Faiman, and SAPM thermal model
coefficients.
* A new altitude look-up function

using
public data from Mapzen, a project for open map data hosted by AWS.
* There were four new first time contributors! Thank you!
* There was a training using JupyterHub at PVPMC 2022
. Check it out!

*Thank you for using pvlib python!*

-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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[Python-announce] ANN: pvlib-0.9.2 released

2022-09-01 Thread Dr. Mark Alexander Mikofski PhD
Dear Pythonistas and solar power enthusiasts,

The maintainers are happy to announce a new release of pvlib python:
software for simulating performance of photovoltaic solar energy systems.

*See what's new for v0.9.2:*
** *https://pvlib-python.readthedocs.io/en/stable/whatsnew.html

*Releases are available from PyPI and the conda-forge channel:*
* https://pypi.org/project/pvlib/
* https://anaconda.org/conda-forge/pvlib
* https://anaconda.org/conda-forge/pvlib-python

*Note: you can now install from conda-forge using either "pvlib" or
"pvlib-python"*

*Read the Documentation:*
* https://pvlib-python.readthedocs.io/en/stable/index.html

*Report issues & contribute:*
* https://github.com/pvlib/pvlib-python

*Highlights:*
* Albedo can be entered as a column in weather DataFrame when running a
model chain. This can be used to enter a time series instead of just
monthly values.
* A new function calc_surface_orientation() returns tracker surface tilt
and azimuth when given tracker rotation and axis tilt.
* There's a new example in the gallery to calculate backside irradiance
using pvfactors.
* Dropped support for Python-3.6 and increased required pandas to v0.25.0
* A new build system that conforms to PEP 517 & PEP518
* There were several new contributors.

*Thank you for using pvlib python!*

-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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[Python-announce] ANN: pvlib-0.9.1 released

2022-04-02 Thread Dr. Mark Alexander Mikofski PhD
Dear Pythonistas and solar power enthusiasts,

On behalf of the maintainers, we're happy to announce a new release of
pvlib python:
software for simulating performance of photovoltaic solar energy systems.

*See what's new for v0.9.1:*
* https://pvlib-python.readthedocs.io/en/stable/whatsnew.html

*Releases are available from PyPI and the conda-forge channel:*
* https://pypi.org/project/pvlib/
* https://anaconda.org/conda-forge/pvlib-python

*Read the Documentation:*
* https://pvlib-python.readthedocs.io/en/stable/index.html

*Report issues & contribute:*
* https://github.com/pvlib/pvlib-python

*Highlights:*
** *Beautifully updated documentation theme that is easier to browse and
navigate. Please share your feedback!
* Implementation of pvlib.temperature.prilliman
,
a transient weighted moving-average temperature model by Prilliman, *et al.*,
to calculate back of module temperature from high-frequency sub-hourly
irradiance input to account for different characteristic timescales between
heat transfer and power conversion.
* New infinite sheds model for either bifacial or monofacial modules, that
calculates row-to-row shading and view factors for sky and ground reflected
diffuse irradiance. Use pvlib.bifacial.infinite_sheds.get_irradiance

to calculate the plane of array irradiance, all its components on both
front and back sides, and the total from both sides.

*The maintainers thank you for using pvlib python!*

-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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[Python-announce] ANN: pvlib-0.9.0 released

2021-09-03 Thread Dr. Mark Alexander Mikofski PhD
  Dear Pythonistas and solar power enthusiasts,

On behalf of the maintainers, we're happy to announce a new release of
pvlib python:
software for simulating performance of photovoltaic solar energy systems.

*See what's new for v0.9.0:*
* https://pvlib-python.readthedocs.io/en/stable/whatsnew.html

*Releases are available from PyPI and the conda-forge channel:*
* https://pypi.org/project/pvlib/
* https://anaconda.org/conda-forge/pvlib-python

*Read the Documentation:*
* https://pvlib-python.readthedocs.io/en/stable/index.html

*Report issues & contribute:*
* https://github.com/pvlib/pvlib-python

*Highlights:*
* There are some breaking changes
,
so please read the Release Notes carefully before updating.
* pvlib now has a new Array class

that
represents groups of identical modules that are part of a PVSystem but have
the same orientation and mounting type.
* The PVSystem class

can
now model a combination of arrays each with different orientations,
modules, and mounting types.
* pvlib completed a very successful GSoC
, which added several new iotools
like get_bsrn()

, get_pvgis_hourly()

, get_cams()
,
and more. Special thanks to Adam R. Jensen ,
Kevin Anderson, and many reviewers who helped!
* Many bug fixes

including
a fix to Perez  contributed
by Clean Power Research. Read their blog

to
learn more about how they're contributing to pvlib. Thanks!

*The maintainers thank you for using pvlib python!*


-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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ANN: pvlib-0.8.1 released

2021-01-05 Thread Dr. Mark Alexander Mikofski PhD
Dear Pythonistas and solar power enthusiasts,

On behalf of the maintainers, we're happy to announce a new release of
pvlib python:
software for simulating performance of photovoltaic solar energy systems.

*See what's new for v0.8.1:*
* https://pvlib-python.readthedocs.io/en/stable/whatsnew.html

*Releases are available from PyPI and the conda-forge channel:*
* https://pypi.org/project/pvlib/
* https://anaconda.org/conda-forge/pvlib-python

*Read the Documentation:*
* https://pvlib-python.readthedocs.io/en/stable/index.html

*Report issues & contribute:*
* https://github.com/pvlib/pvlib-python

*Highlights:*
* AirSpeed Velocity benchmarks are now available!
https://pvlib-benchmarker.github.io/pvlib-benchmarks/
* A numpy-based implementation of the SPECTRL2 spectral irradiance model
and a usage example in the gallery.
https://pvlib-python.readthedocs.io/en/stable/auto_examples/plot_spectrl2_fig51A.html
* New functions for modeling inverters with multiple MPPTs.
* The Liu-Jordan irradiance function is deprecated, and will be removed in
v0.9. Please use the newer Campbell-Norman function instead, but note it
expects some different arguments.
* Added the option of fetching 5 and 15-minute PSM3 data using a new
"attributes" keyword argument.
* Clear-sky detection now uses centered rolling windows instead of
left-aligned rolling windows.

*The maintainers thank you for using pvlib python!*

-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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ANN: pvlib-0.8.0 python package for solar energy modeling

2020-09-08 Thread Dr. Mark Alexander Mikofski PhD
Dear Pythonistas and Solar Energy enthusiasts,

I am very happy to announce a new, major release of pvlib python, for
simulating the performance of photovoltaic solar energy systems.

*See what's new for v0.8.0:*
* https://pvlib-python.readthedocs.io/en/stable/whatsnew.html

*Releases are available from the CheeseShop and the conda-forge channel:*
* https://pypi.org/project/pvlib/
* https://anaconda.org/conda-forge/pvlib-python

*Read the Documentation:*
* https://pvlib-python.readthedocs.io/en/stable/index.html

*Report issues & contribute:*
* https://github.com/pvlib/pvlib-python

*Highlights:*
* Because this is a major release, there are many breaking changes so
please read through the release notes carefully before updating
* Python-3.5 is no longer supported, SciPy-1.2.0 is now a required
dependency, and the Pandas minimum version is now v0.22.0
* New functions for calculation of sky-diffuse irradiance, fitting PV
module IV-curve traces to single-diode model coefficients, and
accommodating terrain slope when backtracking.
* Many new contributors, bug fixes, and improvements in the documentation.
* Also coming soon, AirSpeed Velocity benchmarks. Stay tuned!

*The development team thanks you for using pvlib python!*

-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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Re: [ANN] pvlib participating in GSoC

2020-02-27 Thread Dr. Mark Alexander Mikofski PhD
Sorry, the correct link to the wiki list of project ideas is here:
https://github.com/pvlib/pvlib-python/wiki/GSoC-2020-Project

On Thu, Feb 27, 2020 at 12:21 AM Dr. Mark Alexander Mikofski PhD <
mikof...@berkeley.edu> wrote:

> Excited to announce that pvlib python
> <https://pvlib-python.readthedocs.io/en/latest/> is participating in its
> first ever Google Summer of Code GSoC under the NumFOCUS umbrella. If you
> are a student interested in modeling renewable solar energy please apply:
>
> https://summerofcode.withgoogle.com/organizations/4727917315096576/
>
>
> For project ideas, take a look at the pvlib github wiki:
>
> https://summerofcode.withgoogle.com/organizations/4727917315096576/
>
>
> and reach out on our Google Groups forum:
>
> https://groups.google.com/forum/#!forum/pvlib-python
>
>
> We look forward to hearing from you!
>
> --
> Mark Mikofski, PhD (2005)
> *Fiat Lux*
>


-- 
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*Fiat Lux*
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[ANN] pvlib participating in GSoC

2020-02-27 Thread Dr. Mark Alexander Mikofski PhD
Excited to announce that pvlib python
 is participating in its
first ever Google Summer of Code GSoC under the NumFOCUS umbrella. If you
are a student interested in modeling renewable solar energy please apply:

https://summerofcode.withgoogle.com/organizations/4727917315096576/


For project ideas, take a look at the pvlib github wiki:

https://summerofcode.withgoogle.com/organizations/4727917315096576/


and reach out on our Google Groups forum:

https://groups.google.com/forum/#!forum/pvlib-python


We look forward to hearing from you!

-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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[ANN] pvlib python v0.7.1: predicting power for solar energy

2020-01-20 Thread Dr. Mark Alexander Mikofski PhD
pvlib has a new minor release, v0.7.1

Release Notes:
https://pvlib-python.readthedocs.io/en/v0.7.1/whatsnew.html

PyPI:
https://pypi.org/project/pvlib/

Read the Docs:
https://pvlib-python.readthedocs.io/en/latest/

GitHub:
https://github.com/pvlib/pvlib-python

New examples gallery:
https://pvlib-python.readthedocs.io/en/stable/auto_examples/index.html

-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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[ANN] pvlib-python v0.7.0: predicting power for solar energy

2019-12-19 Thread Dr. Mark Alexander Mikofski PhD
 pvlib has a new major release, v0.7.0

Release Notes:
https://pvlib-python.readthedocs.io/en/v0.7.0/whatsnew.html

PyPI:
https://pypi.org/project/pvlib/

Read the Docs:
https://pvlib-python.readthedocs.io/en/latest/

GitHub:
https://github.com/pvlib/pvlib-python

Here's a quick summary:

   - dropped support for Python-2.7
   - new `ivtools` module for fitting solar panel parameters
   - new implementation of the cloud wavelet variability model (WVM)
   - new functions for temperature and incidence angle modifier (IAM) models
   - updated solar panel and inverter parameters databases from National
   Renewable Energy Lab (NREL)

Also note this is a major release so there are a few breaking API changes.
Users should probably read the release notes and check their code before
updating:
https://pvlib-python.readthedocs.io/en/v0.7.0/whatsnew.html#api-breaking-changes


-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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[ANN] pvfactors: a view-factor network model for bifacial PV by SunPower

2019-11-06 Thread Dr. Mark Alexander Mikofski PhD
SunPower has just released the latest version of pvfactors (v1.3.0), a
Python package for modeling the incident irradiance on bifacial
photovoltaic (PV) using the network radiosity model. Bifacial PV are solar
panels that can generate energy from both the front and back surfaces.

PyPI: https://pypi.org/project/pvfactors/
GitHub: https://github.com/SunPower/pvfactors/releases


Thanks SunPower!

-- 
Mark Mikofski, PhD (2005)
*Fiat Lux*
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