Created
December 30, 2020 15:37
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Retrieving SolarEdge solar panel generation data from the API using Python
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import pandas as pd | |
import solaredge | |
import time | |
s = solaredge.Solaredge("YOUR-API-KEY") | |
site_id = YOUR-SITE-ID | |
# Edit this date range as you see fit | |
# If querying at the maximum resolution of 15 minute intervals, the API is limited to queries of a month at a time | |
# This script queries one day at a time, with a one-second pause per day that is polite but probably not necessary | |
day_list = pd.date_range(start="2019-12-01",end="2020-12-01") | |
day_list = day_list.strftime('%Y-%m-%d') | |
energy_df_list = [] | |
for day in day_list: | |
temp = s.get_energy_details(site_id,day+' 00:00:00',day + ' 23:59:59',time_unit='QUARTER_OF_AN_HOUR') | |
temp_df = pd.DataFrame(temp['energyDetails']['meters'][0]['values']) | |
energy_df_list.append(temp_df) | |
time.sleep(1) | |
power_df_list = [] | |
for day in day_list: | |
temp = s.get_power_details(site_id,day+' 00:00:00',day + ' 23:59:59') | |
temp_df = pd.DataFrame(temp['powerDetails']['meters'][0]['values']) | |
power_df_list.append(temp_df) | |
time.sleep(1) | |
energy_df = pd.concat(energy_df_list) | |
energy_df.columns = ['date','energy'] | |
power_df = pd.concat(power_df_list) | |
power_df.columns = ['date','power'] | |
merged = pd.merge(energy_df,power_df) | |
merged.to_csv("C:/merged_solar_data.csv",index=False) |
I get an error when downloading a whole year, due to summer time difference (DST) error
- issue is that during DST switch, one hour gets data missing
- at DST reversal, two hour data points are overlapped, thus broken data again
How to solve this? And download full year 15min power values?
How to get the full year data in one line?
- instead of adding up days after each other
@MaykThewessen I see you created an issue in that repo, let's continue there.
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Thanks for the additions! I moved this gist to a repo: https://github.com/sfirke/solaredge/ If you're up for it, feel free to send those changes as a pull request.