UK Solar 2026: Year in Review

By Home Solar Guide Team||guide
Independently written | Evidence-based | Sources cited
2026 year in review
2026: 150K new installations, steady costs, advancing technology.

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2026 review
150K installations
Stable costs
Technology

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What happened in UK solar in 2026?

UK Solar 2026 — Year in Review (to be updated December 2026): INSTALLATIONS: approximately 150,000 new residential systems (MCS data). Cumulative: 1.3M+ homes. COSTS: Average 4kW system: £6,500 at 0% VAT. Stable vs 2025. POLICY: 0% VAT continued throughout 2026. VAT fate beyond March 2027 TBC. ECO4 continued funding. BUS grant continued at £7,500. TECHNOLOGY: First perovskite-silicon tandem cells entered European market (Oxford PV). Average panel efficiency reached 22%. GivEnergy maintained UK battery market leadership. TARIFFS: Octopus Flux stabilised at 15p export. Standard SEG rates: 3-5p. Octopus Agile averaged 6-8p export. CONSUMER TRENDS: Battery attachment rate reached 35-40%. Average system size rose to 4.2kW. EV ownership driving demand for larger systems. LOOKING AHEAD: VAT decision expected Q4 2026. V2G trials scaling. Future Homes Standard driving new-build solar. Sources: MCS, Ofgem, BEIS, Solar Energy UK.

Frequently Asked Questions

Related: Home Heating Systems

Solar panels are most powerful when combined with an efficient heating system. Heat pumps use solar-generated electricity to heat your home at 300-400% efficiency — making them the ideal partner for solar.

heat pump grants and the BUS scheme

The Boiler Upgrade Scheme offers £7,500 towards heat pump installation.

how heat pumps work

A heat pump converts 1kWh of electricity into 3-4kWh of heat.

heat pump installation process

Heat pump installation typically takes 2-3 days and is best planned alongside solar.

From our sister site Home Heat Pump Guide

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