2026 Update: PSDS & IETF closed. Full Expensing permanent. 2026 active stack still delivers 40–60% effective subsidy. See 2026 grants →

Resources

Insights, application guides and funding analysis.

In-depth pieces written by our consultants for businesses, finance directors and estates teams making real funding decisions. No fluff — every post is anchored to a real application, a real grant window, or a real client problem we have walked through.

Public Sector 11 min read ·

PSDS Phase 5 Outlook 2026 | What Replaces It

PSDS Phase 4 closed November 2024. What comes next for public sector solar funding in 2026? Salix BAU, Local Growth Fund and Phase 5 chances.

By Tom Acheson, Senior Energy Modeller
PPA & Finance 14 min read ·

PPA Negotiation Playbook 2026 | UK Contract Guide

UK commercial solar PPA negotiation — term sheets, offtake rates, performance guarantees and exit clauses. 2026 best-practice guide.

By Tom Acheson, Senior Energy Modeller
Cost & Pricing 13 min read ·

True Cost of UK Commercial Solar 2026 | Stripped Down

What's actually in a UK 2026 commercial solar quote — module, inverter, mounting, install, DNO, scaffolding, MCS cert, design, monitoring, margin. Real numbers.

By Tom Acheson, Senior Energy Modeller
Battery Storage 10 min read ·

Battery Storage on Commercial Solar 2026 | When It Pays Back

Battery storage on UK commercial solar 2026 — £350-£550/kWh capex, sector-by-sector payback, self-consumption uplift, dynamic SEG arbitrage.

By Tom Acheson, Senior Energy Modeller
Project Delivery 11 min read ·

UK DNO Connection Costs 2026 | The Hidden Solar Capex Line

UK DNO connection costs 2026 — G98, G99 fees, reinforcement charges by network. What to budget for commercial solar connections.

By Tom Acheson, Senior Energy Modeller
Export & SEG 8 min read ·

Smart Export Guarantee 2026 | Best Commercial SEG Tariffs

Best commercial SEG tariffs 2026 — Octopus Outgoing, EDF Variable, British Gas rates compared. How to switch and maximise export income.

By Tom Acheson, Senior Energy Modeller
Funding Strategy 13 min read ·

PPAs vs Cash vs Grants 2026 | Commercial Solar Decision Tree

Cash, PPA, grant or asset finance? A 2026 decision-tree walking each option's economics for UK businesses now that IETF and PSDS are closed to new applications.

By Daniel Whitcombe, Director, Commercial Solar Grants
Tax & Finance 10 min read ·

Full Expensing vs Solar Grants 2026 | Why Tax Often Wins

Full Expensing gives 25% solar capex relief via corporation tax, no application. With IETF and PSDS closed, it's the most reliable 2026 subsidy.

By Daniel Whitcombe, Director, Commercial Solar Grants
REPF 9 min read ·

REPF for Solar | Rural England Prosperity Fund Guide 2026

REPF for solar 2026 — Rural England Prosperity Fund application guide, eligible councils, capex coverage up to 40%. Updated May 2026.

By Tom Acheson, Senior Energy Modeller
IETF 14 min read ·

IETF Phase 3 Guide | Closure Status & What's Next 2026

IETF Phase 3 closed Spring 2024. What replaces it for manufacturers — SIETF, Full Expensing, PPA and Local Growth Fund options.

By Daniel Whitcombe, Director, Commercial Solar Grants
Salix PSDS 12 min read ·

Salix PSDS for Schools | What MATs Do After 2024 Closure

Salix PSDS for schools 2026 — what MATs and academies do after PSDS Phase 4 closure. BAU loans, next phase outlook, application guide.

By Priya Shah, Head of Public Sector Applications
Free funding review

See which grants your business qualifies for — free 20-minute funding review.

Tell us your sector, roof size and energy spend. We come back within one working day with a shortlist of grants and the realistic capex you can expect to recover.

No obligation. We don't charge for grant scoping.

Commercial solar funding across the UK

We work alongside a network of specialist sites covering every angle of UK commercial solar — installation, finance, sector expertise and regional delivery. If your enquiry is a closer fit elsewhere, the team will route it directly.