def get_generation_profile(self, start_date=None, end_date=None):
"""
:param start_date: inclusive that date
:type start_date: :class:`datetime.datetime`
:param end_date: exclusive that date
:type end_date: :class:`datetime.datetime`
:return: a array with the solar profile in hourly resolution for a standardized meteorological year.
"""
result = PVWatts.request(system_capacity=self.system_capacity, module_type=self.module_type,
format=self.format, losses=self.losses, array_type=self.array_type, tilt=self.tilt,
azimuth=self.azimuth, timeframe=self.timeframe, address=self.address)
data = result.raw
if start_date is None and end_date is None:
return data['outputs']['ac']
elif start_date is None:
end_day_in_year = end_date.timetuple().tm_yday
return data['outputs']['ac'][:end_day_in_year * 24]
elif end_date is None:
start_day_in_year = start_date.timetuple().tm_yday
return data['outputs']['ac'][start_day_in_year * 24:]
else:
start_day_in_year = start_date.timetuple().tm_yday
end_day_in_year = end_date.timetuple().tm_yday
return data['outputs']['ac'][start_day_in_year * 24:end_day_in_year * 24]
def test_pypvwatts_instance(self):
"""Test pypvwatts instance based searches"""
p = PVWatts(api_key='DEMO_KEY')
results = p.request(system_capacity=4,
module_type=1,
array_type=1,
azimuth=190,
tilt=30,
dataset='tmy2',
losses=0.13,
lat=40,
lon=-105)
self.assert_results(results)
def test_pypvwatts(self):
"""Test pypvwatts"""
PVWatts.api_key = 'DEMO_KEY'
results = PVWatts.request(system_capacity=4,
module_type=1,
array_type=1,
azimuth=190,
tilt=30,
dataset='tmy2',
losses=0.13,
lat=40,
lon=-105)
print results.raw
self.assert_results(results)
def getPVWatts():
PVWatts.api_key = 'qkk2DRRxcBpTZXA13qOGFlwouL9ZWQaLZxKjZCdd'
address = input("Enter the HO address: ")
ratio = float(input("Enter the DC/AC ratio: "))
estprod = float(
input("Enter out estimated yearly production for the system: "))
numArrays = int(input("Enter the number total number of unique arays: "))
monthly = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
yearly = 0
for i in range(0, numArrays):
s_c = float(
input("Enter the system size in kWh for array {}:".format(i + 1)))
tilt = int(input("Enter the tilt of array {}:".format(i + 1)))
azimuth = int(input("Enter the azimuth of array {}:".format(i + 1)))
result = PVWatts.request(system_capacity=s_c,
module_type=1,
array_type=1,
azimuth=azimuth,
tilt=tilt,
dataset="tmy2",
losses=9,
address=address,
dc_ac_ratio=ratio,
gcr=.4,
inv_eff=99.5)
yearly += int(result.ac_annual)
monthly = np.add(monthly, result.ac_monthly)
eff = float(estprod) / float(yearly)
adj = monthly * eff
adj = pd.Series(adj, name='adj-daily-total')
adj[0] = adj[0] / 31
adj[1] = adj[1] / 28
adj[2] = adj[2] / 31
adj[3] = adj[3] / 30
adj[4] = adj[4] / 31
adj[5] = adj[5] / 30
adj[6] = adj[6] / 31
adj[7] = adj[7] / 31
adj[8] = adj[8] / 30
adj[9] = adj[9] / 31
adj[10] = adj[10] / 30
adj[11] = adj[11] / 31
return adj
def fetch_data(from_lon, to_lon, from_lat, to_lat, step_size=1):
my_api_key = ''
with open(str(Path.home()) + '/pvwatts_api_key.txt', 'r') as file:
my_api_key = file.readline()
# Strip newline
my_api_key = my_api_key[:-1]
p = PVWatts(api_key=my_api_key)
results = []
for longitude in range(from_lon, to_lon, step_size):
for latitude in range(from_lat, to_lat, step_size):
try:
results.append(p.request(
format='JSON', system_capacity=4, module_type=1, array_type=1,
azimuth=190, tilt=40, dataset='intl', timeframe='hourly',
losses=10, lon=longitude, lat=latitude
))
except:
print("Could not fetch all data")
return results
return results
###############################################################
###############################################################
# PV WATTS
# used python library: https://github.com/mpaolino/pypvwatts
# output: Annual and Monthly solar production kWh
# dataset can = tmy2, tmy3, intl (International station data)
import os
from pypvwatts import PVWatts
PVWatts.api_key = os.environ["PV_WATTS_KEY"]
result = PVWatts.request(system_capacity=4,
module_type=1,
array_type=1,
azimuth=190,
tilt=30,
dataset='tmy2',
losses=0.13,
lat=40,
lon=-105)
print "example PV WATTS annual output:", result.ac_annual
# (wiedld): this API is wired in and working!!!!
###############################################################
# ZILLOW
### DETAILS PER HOUSE ###
# http://www.zillow.com/howto/api/GetDeepSearchResults.htm
# input: address and zip
def test_pypvwatts_instance(self):
"""Test pypvwatts instance based searches"""
p = PVWatts(api_key='DEMO_KEY')
results = p.request(system_size=4, dataset='tmy2', derate=0.77, lat=40,
lon=-105)
self.assert_results(results)
def test_pypvwatts(self):
"""Test pypvwatts"""
PVWatts.api_key = 'DEMO_KEY'
results = PVWatts.request(system_size=4, dataset='tmy2', derate=0.77,
lat=40, lon=-105)
self.assert_results(results)