<s>
pvlib	B-Library
python	I-Library
is	O
open	B-Application
source	I-Application
software	I-Application
for	O
simulating	O
solar	O
power	O
of	O
photovoltaic	O
energy	O
systems	O
.	O
</s>
<s>
pvlib	B-Library
python	I-Library
is	O
based	O
on	O
PV_LIB	O
MATLAB	B-Language
which	O
was	O
originally	O
developed	O
in	O
2012	O
at	O
Sandia	O
National	O
Laboratories	O
as	O
part	O
of	O
the	O
PV	O
Performance	O
Modeling	O
Collaborative	O
(	O
PVPMC	O
)	O
by	O
researchers	O
Josh	O
Stein	O
,	O
Cliff	O
Hansen	O
,	O
and	O
Daniel	O
Riley	O
.	O
</s>
<s>
In	O
August	O
2013	O
,	O
Rob	O
Andrews	O
made	O
the	O
first	O
open	O
source	O
commit	O
on	O
GitHub	B-Application
and	O
began	O
porting	O
the	O
MATLAB	B-Language
version	O
to	O
Python	B-Language
.	O
</s>
<s>
Later	O
he	O
was	O
joined	O
by	O
William	O
Holmgren	O
and	O
Tony	O
Lorenzo	O
who	O
completed	O
the	O
migration	O
and	O
released	O
the	O
first	O
version	O
to	O
the	O
Python	B-Language
Package	I-Language
Index	I-Language
(	O
PyPI	B-Language
)	O
on	O
April	O
20	O
,	O
2015	O
.	O
</s>
<s>
pvlib	B-Library
python	I-Library
has	O
been	O
joined	O
by	O
over	O
90	O
contributors	O
,	O
has	O
been	O
starred	O
and	O
forked	O
on	O
GitHub	B-Application
over	O
700	O
times	O
,	O
and	O
its	O
Journal	O
of	O
Open	B-Application
Source	I-Application
Software	I-Application
(	O
JOSS	O
)	O
paper	O
has	O
been	O
cited	O
over	O
350	O
times	O
.	O
</s>
<s>
pvlib	B-Library
python	I-Library
is	O
designated	O
as	O
a	O
"	O
critical	O
project	O
"	O
on	O
the	O
PyPI	B-Language
,	O
meaning	O
it	O
is	O
in	O
the	O
top	O
1%	O
of	O
the	O
package	O
index	O
by	O
download	O
count	O
.	O
</s>
<s>
In	O
2019	O
,	O
pvlib	B-Library
python	I-Library
became	O
an	O
Affiliated	O
Project	O
with	O
NumFOCUS	O
.	O
</s>
<s>
In	O
2021	O
,	O
pvlib	B-Library
python	I-Library
participated	O
under	O
the	O
NumFOCUS	O
umbrella	O
GSoC	O
application	O
with	O
a	O
project	O
to	O
add	O
more	O
solar	O
resource	O
data	O
.	O
</s>
<s>
pvlib	B-Library
python	I-Library
has	O
also	O
been	O
awarded	O
NumFOCUS	O
small	O
development	O
grants	O
for	O
adding	O
battery	O
energy	O
storage	O
system	O
(	O
BESS	O
)	O
functionality	O
(	O
2021	O
)	O
and	O
infrastructure	O
for	O
user	O
group	O
tutorials	O
(	O
2022	O
)	O
.	O
</s>
<s>
pvlib	B-Library
python	I-Library
's	O
documentation	O
is	O
online	O
and	O
includes	O
many	O
theory	O
topics	O
,	O
an	O
intro	O
tutorial	O
,	O
an	O
example	O
gallery	O
,	O
and	O
an	O
API	O
reference	O
.	O
</s>
<s>
pvlib	B-Library
python	I-Library
can	O
be	O
installed	O
directly	O
from	O
the	O
PyPI	B-Language
or	O
from	O
conda-forge	O
.	O
</s>
<s>
The	O
source	O
code	O
is	O
maintained	O
on	O
GitHub	B-Application
and	O
new	O
contributors	O
are	O
welcome	O
to	O
post	O
issues	O
or	O
create	O
pull	O
requests	O
.	O
</s>
<s>
pvlib	B-Library
python	I-Library
is	O
organized	O
into	O
low	O
level	O
functions	O
and	O
high	O
level	O
classes	O
that	O
allow	O
multiple	O
approaches	O
to	O
solving	O
typical	O
PV	O
problems	O
.	O
</s>
<s>
In	O
episode	O
#76	O
of	O
the	O
Talk	O
Python	B-Language
podcast	O
,	O
Anna	O
Schneider	O
,	O
co-founder	O
of	O
,	O
shares	O
how	O
she	O
used	O
pvlib	B-Library
python	I-Library
among	O
other	O
tools	O
to	O
forecast	O
PV	O
production	O
in	O
realtime	O
.	O
</s>
<s>
pvlib	B-Library
python	I-Library
maintainer	O
Mark	O
Mikofski	O
discussed	O
pvlib	O
's	O
history	O
and	O
its	O
role	O
in	O
the	O
renewable	O
energy	O
industry	O
in	O
a	O
Mouse	O
vs.	O
Python	B-Language
interview	O
.	O
</s>
<s>
In	O
a	O
workshop	O
held	O
by	O
the	O
Solar	O
Energy	O
Technologies	O
Office	O
(	O
part	O
of	O
the	O
United	O
States	O
Department	O
of	O
Energy	O
)	O
on	O
encouraging	O
community	O
contribution	O
to	O
open-source	B-Application
software	I-Application
projects	O
,	O
pvlib	B-Library
python	I-Library
was	O
discussed	O
as	O
an	O
example	O
of	O
having	O
achieved	O
a	O
significant	O
user	O
base	O
.	O
</s>
<s>
In	O
an	O
interview	O
with	O
Solar	O
Power	O
Portal	O
,	O
Jeff	O
Ressler	O
,	O
CEO	O
of	O
Clean	O
Power	O
Research	O
,	O
discussed	O
how	O
their	O
products	O
and	O
customers	O
benefit	O
from	O
using	O
pvlib	B-Library
python	I-Library
.	O
</s>
