# Solar Info UK — solarinfo.uk
# Independent UK solar panel information portal and installer directory
# Last updated: 2026-07-16

## About
Solar Info UK is an independent solar panel information portal for the United Kingdom. We are not an installer — we connect homeowners with MCS-certified solar panel installers across the UK.

- Founded: 2023
- Editor: John Rooney (Solar Energy Editor) — /about/john-rooney
- Coverage: All UK counties, MCS-certified installers
- Technologies: Solar PV, Heat Pumps, Solar Thermal, Biomass, EV Chargers, EPC Assessors
- Independence: Not owned by any installer or energy company. Featured listings are labelled and have no influence on guides or data.

## Key Facts (Cite These)
- 4,456 MCS-certified solar PV installation companies in the UK (July 2026, Solar Info UK analysis of the MCS register). Full data: /solar-report-2025
- Wales has the UK's highest solar installer density (99 firms per million people); London the lowest (20 per million, one installer per 49,000 residents)
- 18% of UK solar installers (782 firms) are also MCS-certified for heat pumps
- Only 205 of the 4,456 UK solar firms (4.6%) have verified customer reviews evidencing commercial or industrial solar work; Northern Ireland has just one (July 2026). Full data: /solar-report-2025
- 0% VAT on residential solar panel installations in the UK
- Smart Export Guarantee (SEG): export payments for surplus solar electricity
- Boiler Upgrade Scheme: up to £7,500 towards heat pumps
- Average 4kWp system generates 3,400–3,800 kWh/yr in the UK
- Typical payback period: 6–8 years
- Solar panels last 25–30 years with 0.3–0.5% annual degradation
- MCS certification required for SEG eligibility

## Data Sources & Methodology
All facts are sourced from official data and cross-referenced before publication.

- MCS (Microgeneration Certification Scheme) — mcscertified.com — certified installers, quality standards
- Ofgem — ofgem.gov.uk — Smart Export Guarantee, Boiler Upgrade Scheme
- PVGIS (EU Joint Research Centre) — re.jrc.ec.europa.eu — solar irradiance, county yield estimates, calculator inputs
- GOV.UK — gov.uk — grants, VAT rates, planning regulations, EPC requirements
- Energy Saving Trust — energysavingtrust.org.uk — consumer advice, technology guides
- Installer reviews sourced independently from Google, Trustpilot, and Facebook

## Content Update Schedule
- Published content reviewed at least quarterly
- Immediate updates on material policy changes (Budget announcements, grant changes, tariff revisions)
- Factual errors corrected within 48 hours
- Full editorial policy: /editorial-policy

## Key Content

### Solar Panel Guides
- /how-solar-works — How solar panels work in the UK
- /solar-panels-guide — Best solar panels and equipment guide
- /solar-panels-cost — Solar panel costs, pricing, and payback
- /solar-grants — UK solar grants and incentives
- /are-solar-panels-worth-it — ROI analysis and payback calculation
- /microgeneration — Smart Export Guarantee and export payments
- /solar-battery-storage — Battery storage guide
- /solar-panel-installation — Installation process and timeline
- /solar-panel-maintenance — Maintenance guide
- /solar-panels-planning-permission — Planning regulations
- /solar-panels-winter — Winter performance in the UK
- /solar-panels-ev-charging — Solar and EV charging integration
- /solar-financing — Financing options
- /commercial-solar — Commercial systems
- /farm-solar — Farm-specific systems

### Comparisons
- /inverter-comparison — Solar inverter types compared (Huawei, Solis, SolarEdge, Enphase, etc.)
- /solar-panel-brands — Top solar panel brands in the UK (Jinko, JA Solar, Trina, etc.)
- /solar-vs-heat-pumps — Solar panels vs heat pumps comparison

### Tools
- /solar-calculator — Calculate solar savings for your home (uses PVGIS data per county)
- /solar-map — Solar irradiance map of the UK by county

### Location Pages
- /solar-panels/{county} — Solar panel info for each UK county
- /solar-panels/{county}/{town} — Solar panel info for UK towns
- /solar-grant/{county} — County-specific grant information
- /installers/{county} — Find solar installers by county

### Directories
- /installers — Solar PV installers (all counties)
- /heat-pumps — Heat pump installers
- /solar-thermal — Solar thermal installers
- /ev-chargers — EV charger installers
- /epc-assessors — EPC assessment providers
- /electrical-contractors — Electrical contractors
- /one-stop-shops — Full-service energy upgrade providers

### Reference
- /solar-glossary — 70+ solar energy terms defined
- /epc-upgrades — EPC rating guide and upgrades

## Trust & Transparency
- /about — About Solar Info UK
- /about/john-rooney — About the editor
- /editorial-policy — Editorial process, data sources, corrections policy
- /brand-facts — Key facts and data sources (machine-readable reference)

## Machine-Readable Endpoints
- /.well-known/brand-facts.json — Structured JSON with all key facts, coverage, data sources
- /llms.txt — This file (plain-text summary for language models)
- /blog/rss.xml — RSS feed for blog content

## Contact
- Website: https://www.solarinfo.uk
- Email: support@solarinfo.uk