Tesla Powerwall 3 vs GivEnergy All in One: what changed in 2026
Both store 13.5kWh of LFP. One discharges at 11.04kW, the other at 3.6kW, and only one is backed by a company still trading after GivEnergy entered administration in…
Solar panels, battery storage, and renewable energy guides
Both store 13.5kWh of LFP. One discharges at 11.04kW, the other at 3.6kW, and only one is backed by a company still trading after GivEnergy entered administration in…
Trina's Vertex S+ 445W publishes 22.3% efficiency, 25-year product cover and a dual-glass build. We read the datasheet and say when it's worth specifying and when it isn't.
JA Solar's DeepBlue 4.0 Pro publishes 22.8% efficiency, 25-year product cover and a 30-year performance warranty to 87.4%. We read the datasheet and the UK price list.
Owned panels pass with the house. Loan-funded panels are simple too — the loan is yours, not the property’s. The tricky case is the 2010s rent-a-roof lease, where…
Reroofing with panels on top means paying to take them off and put them back — typically £100–£250 per panel. Here is the full cost breakdown, the warranty…
Intelligent Octopus Flux pays the same rate for export as you pay for import and hands battery scheduling to Octopus's algorithm. How it differs from standard Flux, and…
A '25-year solar warranty' is really four separate warranties with different lengths and escape hatches. What product, performance, inverter and workmanship cover each promise, and what a claim…
The 3.68 kW figure that shapes so many UK solar quotes is a grid rule, not a technology limit. Here is how G98 and G99 actually work, what…
The 3.68kW per phase threshold decides whether solar connects straight away under G98 or waits weeks for G99 approval. How both routes work and when capping the inverter…
A typical 4kW solar system costs £6,000 to £8,000 installed in Northern Ireland in 2026. NI has no Smart Export Guarantee, so here's what export pays instead, plus…