Tracker · Updated 12 May 2026 · Re-verified monthly
UK solar grant deadlines & application windows 2026
Live tracker of UK commercial solar grant programmes — application windows, expected next-round dates, typical lead times, and administrators. Re-verified at the start of every month.
Important
Grant programme windows change with little notice. For critical decisions, verify the latest status directly with the scheme administrator. The free eligibility check includes a current-programme-status check as part of the response.
Current programme status
| Programme | Status | Lead time | Administrator |
|---|---|---|---|
| Smart Export Guarantee | Open - ongoing | Rolling | Ofgem |
| Annual Investment Allowance | Permanent | Year-end CT600 | HMRC |
| Full Expensing | Permanent | Year-end CT600 | HMRC |
| IETF Phase 4 (England, Wales, NI) | Expected Q2 2026 | EoI window 6-12 weeks | DESNZ |
| PSDS Phase 4 (England) | Expected 2026 | Window typically 24-48 hours | Salix Finance |
| Salix Recycling Fund (England) | Open - rolling | 6-10 weeks per application | Salix Finance |
| Scotland SME Loan Scheme | Open - rolling (cashback subject to programme rules) | 8-12 weeks | Energy Saving Trust |
| Business Wales / DBW | Open - rolling | 8-10 weeks credit decision | Development Bank of Wales |
| Invest NI Sustainable Productivity | Open - rolling | 12-16 weeks | Invest NI |
| BEAS (West Midlands) | Open - rolling (subject to MCA budget) | 6-8 weeks | WMCA + Business West |
| Y&NY Business Sustainability | Open - rolling (subject to UKSPF) | 4-6 weeks | Y&NY LEP |
| WECA Green Business Grant | Open - rolling (subject to UKSPF) | 4-6 weeks | WECA + Business West |
| Farming Investment Fund (FETF) | Round-based | 6-8 weeks per round | Rural Payments Agency |
| Green Heat Network Fund | Phase 3 expected 2026 | 18-24 months end-to-end | DESNZ / Triple Point |
| Carbon Trust Green Business Fund | Rolling (programme-dependent) | Variable | Carbon Trust |
Programme-by-programme notes
Smart Export Guarantee
No deadline. Apply directly to chosen SEG supplier. Rates fixed for 12 months, then renew.
No deadline. Apply directly to chosen SEG supplier. Rates fixed for 12 months, then renew.
Annual Investment Allowance
No application. Claimed on corporation tax return at financial year-end. £1m annual cap per group.
No application. Claimed on corporation tax return at financial year-end. £1m annual cap per group.
IETF Phase 4 (England, Wales, NI)
Phase 3 closed 2024. Phase 4 expected to open around Q2 2026 with ~£100m available. Subscribe to DESNZ alerts.
Phase 3 closed 2024. Phase 4 expected to open around Q2 2026 with ~£100m available. Subscribe to DESNZ alerts.
PSDS Phase 4 (England)
Phase 3c closed 2024. Phase 4 expected with similar scale (~£230m). Set Salix alerts; be RIBA Stage 3 ready before window opens.
Phase 3c closed 2024. Phase 4 expected with similar scale (~£230m). Set Salix alerts; be RIBA Stage 3 ready before window opens.
Salix Recycling Fund (England)
Continuous applications subject to fund availability. Apply via salixfinance.co.uk portal.
Continuous applications subject to fund availability. Apply via salixfinance.co.uk portal.
Scotland SME Loan Scheme
Scottish business decarbonisation loans at 0% interest. Cashback bonuses subject to current programme rules and budget availability.
Scottish business decarbonisation loans at 0% interest. Cashback bonuses subject to current programme rules and budget availability.
Invest NI Sustainable Productivity
Northern Ireland SME productivity grants supporting decarbonisation projects.
Northern Ireland SME productivity grants supporting decarbonisation projects.
BEAS (West Midlands)
West Midlands SME energy advice + capital grants up to £100k. Check current funding status.
West Midlands SME energy advice + capital grants up to £100k. Check current funding status.
Farming Investment Fund (FETF)
English farm productivity grants including solar PV. Annual rounds; check RPA portal.
English farm productivity grants including solar PV. Annual rounds; check RPA portal.
Green Heat Network Fund
District heat network + solar PV + heat pump combinations. Phase 2 closed; Phase 3 expected.
District heat network + solar PV + heat pump combinations. Phase 2 closed; Phase 3 expected.
Carbon Trust Green Business Fund
SME energy audit + small capital grant. Programme partners change annually.
SME energy audit + small capital grant. Programme partners change annually.
Setting up alerts
The single biggest cause of missed grant opportunities is window-opening timing. The best alert sources for current programmes:
- DESNZ updates: gov.uk DESNZ email alerts — covers IETF, PSDS, Green Heat Network Fund
- Salix Finance: salixfinance.co.uk newsletter — PSDS, Salix Recycling Fund
- Local growth hub: Your local growth hub email list for regional schemes
- Energy Saving Trust: Scotland SME Loan Scheme updates
- Business Wales: Welsh Government scheme alerts via businesswales.gov.wales
- Invest NI: Sectoral account manager updates for NI businesses
Want personalised tracking for your business?
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