Is solar thermal for hot water worth getting in the UK? I'm going to see how it stacks up compared to solar PV to see which is a better technology to install.
Link to the spreadsheet:
https://docs.google.com/spreadsheets/d/185_fRxpCtCswf2nASN434q8i-M4a4PMHPiwEYKwqAng/view
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PVGIS solar generation tool:
https://re.jrc.ec.europa.eu/pvg_tools/en/
How to use PVGIS:
https://youtu.be/MdpQci4vTLU
Our home system summary:
6.8 kWp solar array split E/W
5 kW Gen 2 GivEnergy hybrid inverter
14.7 kWh GivEnergy batteries
Toshiba Haori A2A heat pump heating/cooling system
Mixergy iHP hot water cylinder
Fiat 500e EV
Solar and battery tour:
https://youtu.be/m1mIljYtFds
A2A heating tour:
https://youtu.be/PIgrN9uJfHY
Mixergy iHP playlist:
https://youtube.com/playlist?list=PLHcV5HZA45O9OwaaXFbvsUuV2-9rgIomv&si=DmUPHZqrRdYT0U6K
00:00 Introduction
00:45 What is solar thermal?
01:54 Explaining the spreadsheet
03:43 Savings compared to gas
04:45 Saving compared to immersion heater
05:56 Savings compared to heat pump
07:04 "Payback" times
09:00 Solar PV
14:08 Conclusion
Please note that Tim is not a professional consultant, just an enthusiastic amateur, so cannot reply to requests for advice or opinions on specific systems or green investment opportunities. Thank you for your understanding.