Market Data
Installation volumes, capacity, forecasts and market sizing — sourced UK solar numbers. Start with our cornerstone guide: uk solar market data. For pricing context, see commercial solar cost benchmarks.
The Solar Briefing #2: Battery Price Chaos and the 262-Day Clock
Edition two of The Solar Briefing — the £3,000 spread in Powerwall quotes, the capacity tracker at mid-July, the VAT countdown and what the trade should watch.
The Solar Briefing #1: The UK Market at Mid-2026
Edition one of The Solar Briefing — the state of the UK solar market at mid-2026: the record install base, the VAT countdown, export tariffs and the sector watchlist.
Export Tariffs and the Flexibility Market: What Installers Should Tell Customers
SEG rates vary by supplier, time-of-use tariffs reward smart battery scheduling, and VPPs add modest flex income — here's how UK installers should frame the storage upsell in 2026.
Export Limitation: Selling Bigger Systems Behind Small Fuses
How export limitation lets installers size bigger commercial solar systems behind small DNO fuses, and how to sell it.
Repowering FiT-Era Systems: The 2010s Fleet Comes of Age
FiT-era solar repowering in the UK: inverter-cliff economics, panel-swap costs, and how to protect a Feed-in Tariff through the upgrade.
Free Solar in 2026: What Is Real and What Is a Relic
Free solar panels UK 2026: rent-a-roof history, the ECO4 reality, and why the "free" search hook still lingers online.
Writing Solar Case Studies That Actually Win Work
How UK solar installers should build case studies that sell: payback proof, self-consumption %, photo consent, and sector targeting.
VPPs and Flexibility Tariffs: The Next Customer Conversation
How VPPs and flexibility tariffs work in the UK, and what installers should (and shouldn't) promise customers in 2026.
UK Solar Industry: What Changed in 2026
UK solar industry 2026 roundup: record MCS installs, 0% VAT deadline, farm grant facts, tariffs and pricing — a data-led trade briefing for installers.
The Heat Pump Cross-Sell: Should Solar Installers Add ASHPs?
Should UK solar installers cross-sell heat pumps? BUS £7,500 grant demand, MCS heat scope rules, and the real margin and skills case.
Subcontract vs Employed Install Teams: The Scaling Question
Data-led look at subcontract vs employed solar install crews in 2026 — cost per install, warranty accountability and quality control.
British-Made Solar Panels: What UK Manufacturing Actually Exists
Honest audit of UK solar panel manufacturing vs assembly vs import — why nearly all panels sold in Britain are Chinese-made.
Sigenergy in the UK: The Brand Installers Keep Mentioning
Why UK solar installers are switching to Sigenergy's SigenStor integrated battery system, and the comparison caveats trade buyers should check.
The UK Battery Brand Landscape: Who Installers Are Fitting
A trade-focused look at which battery brands UK solar installers are actually fitting in 2026, and the margin angles behind stackable vs integrated systems.
The UK Solar Inverter Market 2026
The UK solar inverter market in 2026: hybrid shift, brand landscape (SolarEdge/GivEnergy/Fox/Sunsynk) and the coming replacement wave, explained for installers.
The 2026 Solar Supply Chain: Panel Prices, TOPCon and Gluts
UK solar panel prices 2026: TOPCon's takeover, why module oversupply is squeezing installer margins, and what it means for trade pricing.
G98 and G99: The DNO Process That Makes or Breaks Timelines
G98 vs G99 explained: export thresholds, DNO timelines and why regional installer relationships speed up UK solar connection approvals.
Insurance-Backed Guarantees: The Trust Layer Installers Skip
HIES and QANW insurance-backed guarantees protect UK solar buyers if an installer goes bust — here's why they win quotes and how the mechanics work.
UK Solar Installers by Region: Who Serves Where in 2026
A regional map of UK solar installers for 2026 — who covers Scotland, Wales, the Midlands, Yorkshire and beyond, and where coverage gaps remain.
UK Solar Capacity 2026: Installs, GW and the Forecast
UK solar capacity hit 22+ GW in 2026 after a record 2025. We break down the DESNZ/MCS data, the Clean Power 2030 gap, and NESO's grid pipeline.
UK Residential Solar Market 2026: The Data
UK residential solar market 2026 data brief for installers: MCS install volumes, VAT deadline, battery attachment, new-build share and what it means for order books.