An independent UK reference covering solar, batteries, EV charging and heat pumps. Working calculators for the obvious money questions, and in-depth articles on each decision worth thinking about.
Calculators
Built for the kinds of questions that crop up while you are reading a quote. Each one prints the working it does to reach the number.
Topics
Independent UK guides on the four bits of kit that make up a modern home energy setup. Each topic page pulls together the basics, the deeper guides and the calculators that go with it.
Panels, inverters, mounting and what the install day actually looks like.
Sizing, chemistry, hybrid systems, payback and virtual power plants.
Home chargers, smart tariffs, load balancing and public network reliability.
Air source, ground source, the survey, the radiator question and the BUS grant.
Deeper reference pages on the kit, the install process and the regulations.
Articles
In-depth pieces on the bigger decisions, with the working underneath the conclusions.
When the payback maths works for storage on a sub-5 kWp solar setup, and when it doesn't.
How roof orientation, shading patterns and future plans drive the inverter choice.
What a good heat-loss survey looks like, and the red flags in a thin one.