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Questions & Answers
Short, practical answers to common solar and PV questions
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Grid and inverter
Grid voltage above 253 V — how do I report it effectively?
My inverter is rated lower than my panels — is that a mistake?
What is volt-watt response and should I enable it?
Why does my inverter shut down on sunny days?
Why does my solar output flatten at midday?
Production and yields
Are east-west panels or a flat roof worth it?
How do I check my solar system is working properly?
How many kWh per day should my solar system produce?
Why do my panels never reach their rated power?
Home battery
Should I add more panels or buy a battery?
Should I charge the battery overnight on cheap rates or leave room for solar?
What battery size do I need for my solar and usage?
Why is my battery always full and not doing anything?
Tariffs and bills
Is a dynamic tariff worth it without a battery?
Is it worth buying cheap power overnight and selling in the day?
What electricity tariff should I choose with solar and a battery?
Why is my electricity bill still high despite solar panels?
Surplus automation
How do I add a solar production forecast to the Home Assistant Energy Dashboard?
How do I heat water automatically with solar surplus?
How do I set up solar self-consumption automations in Home Assistant?
Which EV charger integrates with Home Assistant?
Export and tariffs
Do I need a battery or are panels enough?
Is Octopus Agile worth it with solar and a battery?
Which export tariff should I choose?