Guides
Commercial solar & battery guides
Straight answers on funding, tax, savings and the practicalities of going solar as a business — no jargon, no sales fluff.
Capital allowances on commercial solar: full expensing & AIA explained
If your business buys a commercial solar system, it can usually claim capital allowances on the cost — reducing your taxable profit.
Read guide GuideHow solar improves your commercial EPC (and helps with MEES)
Adding solar to a commercial building reduces the amount of grid electricity it needs, which is one of the more effective ways to improve its EPC rating.
Read guide GuideHow much can your business save with commercial solar?
Commercial solar savings depend mainly on how much of the generated power you use on site (self-consumption), your current electricity rate, and how much roof or land you have.
Read guide GuideCommercial battery storage: costs, savings and payback
Commercial battery storage saves money in three main ways: storing cheap off-peak or self-generated solar energy for use at expensive peak times, shaving costly demand peaks, and increasing how much of your solar you use on site.
Read guide GuideHalf-hourly data explained (and why we ask for it)
Half-hourly (HH) data is a record of how much electricity your site uses in each 30-minute period.
Read guide GuideSolar PPA vs buying outright: which is right for your business?
A PPA means zero upfront cost, no maintenance and a fixed rate below the grid, with the provider owning the system.
Read guide GuideThe commercial solar installation process, step by step
A commercial solar project runs through a clear sequence: a free energy assessment, a tailored proposal, design and DNO approval, installation and commissioning, then ongoing monitoring and maintenance.
Read guide GuideTypes of PPA explained: on-site, off-site, sleeved and virtual
There are several types of Power Purchase Agreement.
Read guide GuideWhat is a corporate PPA?
A corporate PPA is a long-term agreement in which a business buys renewable electricity directly at an agreed price — either from generation on its own site or from an off-site project.
Read guide GuideWhat's in a solar PPA contract? Key terms explained
A solar PPA contract sets out the price you pay per kWh, how long the agreement runs, how the price changes over time, who maintains the system, and what happens at the end of the term.
Read guide GuideSolar PPA vs leasing: what's the difference for business?
With a solar PPA you pay for the energy the system produces, at a rate below the grid, and maintenance is included.
Read guide GuideHow to switch to a solar PPA (step by step)
Switching to a solar PPA does not mean changing your electricity supplier.
Read guide GuideIs a solar PPA worth it for your business?
A solar PPA is usually worth it for businesses that use a lot of electricity during daylight hours, have a suitable roof or land, and want to cut bills without capital outlay.
Read guideSee what the sun owes you
Get a free, no-obligation PPA proposal — a tailored system design and a fixed rate at least 30% below your current supplier.