Solar and batteries,
explained straight.
Everything we would talk through on your free 45 minute design call, written down. Sourced, dated, and written by the team that designs these systems every day.
Solar
10 guides, sourced and dated.
Cloudy days and north facing roofs, answered honestly
Cloud reduces output, it does not switch it off. North facing depends on pitch more than compass.
Read the guide →Why filling the roof first time is cheaper than adding later
Half covering a roof is the expensive choice. The fixed costs are the whole argument.
Read the guide →G98 and G99 explained: which one applies to your system
Two forms, one threshold, and your installer files both. What G98 and G99 actually mean.
Read the guide →How solar panels work, and why they work here
Panels run on daylight, not heat. What happens between your roof and your meter.
Read the guide →Optimisers, microinverters and string inverters, explained simply
Three ways to convert what your panels make. Shade on your roof decides which one you need.
Read the guide →Single phase or three phase, and what it changes
One fuse or three. The check takes a minute and it sets your system size limit.
Read the guide →What solar costs in 2026, and what drives the price
Real 2026 prices, where every pound goes, and why small systems cost most per kWp.
Read the guide →How long solar panels last, and what looking after them involves
Panels fade slowly and predictably. What the warranty guarantees, and what upkeep really involves.
Read the guide →What happens on your free 45 minute design call
Roof on screen, usage talked through, written quote before you hang up. No home visit.
Read the guide →What a DNO is, and why it gets a say in your solar system
Your supplier sells you power. Your DNO owns the cables, and sets how much you can connect.
Read the guide →Batteries
9 guides, sourced and dated.
AC versus DC coupled batteries, explained simply
One suits a retrofit, one suits a fresh install. The plain English difference.
Read the guide →Adding a battery to solar you already have
Your panels stay untouched. The grid application is the part that catches people out.
Read the guide →What a gateway does, and when whole home backup is worth it
A full battery is no use in a power cut without a gateway. Here is what one does.
Read the guide →How to read a battery warranty before you sign anything
Four numbers, the conditions underneath them, and a five minute way to compare two quotes.
Read the guide →A home battery without solar panels, honestly assessed
A battery with no panels still earns every night. Here is how much, and where it does not stack up.
Read the guide →How much a home battery saves, unit by unit
What a battery saves per unit, per night and per year, with the losses taken off.
Read the guide →How a home battery actually works
A battery moves electricity from a cheap hour to an expensive one. Here is how.
Read the guide →What size battery does your home actually need?
Size it to your evenings, not your roof. One number off your bill gives the answer.
Read the guide →What it means when a battery maker goes bust
The hardware keeps running. The manufacturer's promise does not. Here is what to check.
Read the guide →Export rates
7 guides, sourced and dated.
How the Smart Export Guarantee actually works
What the scheme is, who qualifies, and how the money actually reaches you.
Read the guide →Off peak tariffs and battery charging, window by window
The cheap windows on offer in August 2026, what they cost, and how much fits into one.
Read the guide →What to check before switching supplier when you have solar
Four checks before you switch: your export condition, your MCS pack, your meter and any Feed-in Tariff.
Read the guide →Why your tariff moves payback more than your kit does
Same install, three export rates, seven years of difference in payback.
Read the guide →The 20p export rate, and how it compares to standard SEG
4p or 20p for the same exported units. The conditions on each, in plain terms.
Read the guide →The energy price cap, and what it does to your solar payback
The cap sets your unit price. That price is what every unit of your own solar is worth.
Read the guide →Which export rate can you actually qualify for?
The gate behind every headline rate, and the six things to check before you believe one.
Read the guide →Get your free quote
Two minutes. We confirm your video slot within one working day.