School solar panel cost in the UK (2026)
UK schools typically invest £12,000-£180,000 on commercial solar installations ranging from 15-200 kWp. Sector-typical load profile delivers 50% self-consumption and payback in N/A for PSDS-funded; effective immediate budget benefit.
School solar cost snapshot
| Typical system size | 15 – 200 kWp |
| 2026 capex range | £12,000 – £180,000 |
| £/Wp | £0.65 – £1.10 (size-dependent) |
| Self-consumption rate | 50% typical |
| Load pattern | term-time daytime; holiday-period high export |
| Best grant stack | PSDS (100% grant for state-maintained) + Salix Recycling Fund (0% loans) — net cost typically £0 |
| Typical payback | N/A for PSDS-funded; effective immediate budget benefit |
Post-tax economics for schools
For limited companies, 100% Full Expensing reduces effective net cost by 25% in year one. Partnerships and sole traders use AIA at their marginal income tax rate (typically 19-45%).
School grant stack in detail
UK schools typically access this combination:
- Tax relief: 100% Full Expensing (limited companies) or AIA (partnerships, sole traders)
- Export income: Smart Export Guarantee — typically 3-15p/kWh on exports
- Sector grants: See schools sector guide for primary grant routes
- Regional schemes: Growth hub grants, devolved nation funding — see locations hub
Next steps for schools
- Read the full schools sector guide for grant stack, watch-outs and case studies
- Compare system sizes with the cost-by-size hub
- Run the free eligibility calculator for a personalised funding match
- Browse case studies for school sector projects
School solar cost · FAQs
How much does school solar cost?
At 2026 prices, UK schools typically invest £12,000-£180,000 on commercial solar installations of 15-200 kWp. Net of 100% Full Expensing tax relief for limited companies, that's £9,000-£135,000.
What's the typical school payback period?
Typical post-tax payback for UK school solar: N/A for PSDS-funded; effective immediate budget benefit. Strong self-consumption rates (50% typical for this sector) compress payback.
Which grants apply to schools?
The typical grant stack for UK schools: PSDS (100% grant for state-maintained) + Salix Recycling Fund (0% loans) — net cost typically £0. See the sector page for full eligibility and worked examples.
How does school load profile affect solar economics?
School load profile is characterised by: term-time daytime; holiday-period high export. This delivers 50% typical self-consumption rate — materially affecting payback compared to lower-utilisation sectors.
Get a sized cost estimate for your school business
Free 60-second eligibility check confirms which grants apply and provides indicative capex and payback for your specific school property.
Free eligibility check See all sector cost guides