Fully Funded Commercial Solar No Upfront Cost, Savings from Day One
A commercial solar Power Purchase Agreement lets your business benefit from on-site solar generation without spending a penny on capital. The system is funded, installed and maintained by a specialist funder. You pay only for the electricity it generates - at a rate below your current grid tariff.
Available for commercial systems from 50kW · Typical PPA term: 15–20 years · Savings from commissioning day
Zero upfront capital funding
PPA and full asset finance structures allow commercial sites to access solar generation without upfront capital outlay. The third party funder owns and operates the system, the host site buys the electricity at a contracted rate below grid tariff, and net energy cost falls from day one.
Overview
The case for a PPA
For many commercial businesses, a Power Purchase Agreement is the fastest route to implementing solar – removing the capital requirement entirely and delivering immediate savings without internal approval processes, balance sheet impact or maintenance obligations.
A PPA works for businesses across every sector – from logistics operators and manufacturers who want to reduce operational energy costs without deploying capital, to leasehold businesses who cannot own a permanent asset, to property owners looking to improve their building’s sustainability credentials without landlord-funded capital expenditure.
Caledonia Solar structures and places PPA agreements through our panel of four specialist commercial solar funders – Octopus Energy, Siemens Financial Services, Ortus Energy (part of SSE) and Soventix. We manage the full process from site survey through to commissioning and ongoing monitoring.
How It Works In Practice
How a PPA works in practice
Suitability
Who a PPA suits
For most businesses, the constraint is no longer viability - it is execution. A PPA removes the last remaining barrier to implementation for businesses where capital or ownership structure has prevented solar investment.
Funding Comparison
PPA vs CapEx vs Asset Finance
A PPA delivers immediate savings with no capital outlay and no asset ownership. CapEx purchase delivers maximum long-term financial return for businesses with available capital. Asset finance spreads the installation cost over 3–7 years, typically cash-flow positive from day one, with asset ownership at end of term.
G99 grid connection and DNO approval
Commercial solar systems above 17 kW require G99 connection agreement from the Distribution Network Operator. Caledonia Solar handles the full application, including export limitation configuration where the local network requires it.
Funding
Three ways to fund Solar PPA / Fully Funded
Caledonia Solar models all three funding routes for every project: CapEx purchase, Asset Finance, and PPA. The right route depends on your business profile, capital position, and operational priorities. We provide a full comparison for your specific circumstances.
Buy the system outright. The highest lifetime return and full ownership of the asset and all the energy it generates from day one.
Spread the cost over a fixed term and preserve working capital. The system typically pays for itself from the energy savings it delivers.
Zero upfront cost. A funding partner owns the system and you simply buy the solar power it produces, at a rate below the grid.
Compare all three funding models
Detailed breakdown of CapEx purchase vs Asset Finance vs PPA, with indicative cash flow profiles and ownership implications.
See your PPA savings estimate in under 60 seconds
Enter your building size, monthly energy bill and location. Our calculator models the indicative annual saving under a PPA structure alongside CapEx and asset finance - so you can compare all three options before speaking to anyone.