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Fix: Forecast.solar PV plan shifted by local UTC offset in non-UTC timezones #3984

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Fix: Forecast.solar PV plan shifted by local UTC offset in non-UTC timezones #3984

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2 changes: 1 addition & 1 deletion apps/predbat/solcast.py
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Original file line number Diff line number Diff line change
Expand Up @@ -505,7 +505,7 @@ async def download_forecast_solar_data(self):
for offset in range(0, self.plan_interval_minutes, 1):
pv50 += dp4(forecast_watt_data.get(minute + offset, 0) / 1000.0)
pv50 /= 60
period_start_stamp = self.midnight_utc.replace(tzinfo=pytz.utc) + timedelta(minutes=minute)
period_start_stamp = self.midnight_utc + timedelta(minutes=minute)
data_item = {"period_start": period_start_stamp.strftime(TIME_FORMAT), "pv_estimate": pv50}
if period_start_stamp in period_data:
period_data[period_start_stamp]["pv_estimate"] += pv50
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