High-quality renewable energy installations.
We’ve spent more than 20 years designing and building renewable energy projects across the UK. We know where the hidden costs and risks are and will tell you about them before they bite you.
Fully funded options: solar and battery storage installed with no upfront cost.
We will.
Get the checklistWe’re on your side, and we’re driven to get Net Zero done right.
Who we work with.
Getting renewables and battery storage right means navigating tariffs, grid connections, funding, procurement and internal sign-off. We've done it many times, from single buildings to multi-site estates.
Energy & sustainability managers
Honest analysis and business cases that stand up to finance and get projects approved.
Find out more ›Building owners & landlords
Solar, battery storage, heat pumps and EV charging for your buildings, specified, procured and installed properly.
Find out more ›Property developers
Low-carbon technology designed, procured and delivered for new-build and refurbishment schemes.
Find out more ›Public sector
Councils, NHS, education and public estates: deliverable, fundable, defensible projects.
Find out more ›Community energy groups
Feasibility, business cases, host agreements and delivery for community-owned renewable projects.
Find out more ›Solar, battery storage and net zero services.
From feasibility and business case to design, procurement and installation. We can arrange finance so systems are fully funded, and we work with you to pick the best team for your project.
Solar PV
Rooftop, carport and ground-mount solar: feasibility, yield and financial modelling, fully funded or purchased, then installed.
Learn more ›Battery storage
Whether a battery pays back on your site: load and tariff analysis, sizing, solar plus storage and resilience, fully funded or purchased.
Learn more ›Energy baseline & net zero
Where your energy, cost and carbon stand today, and an investment-grade plan to bring them down.
Learn more ›From first look to a working system.
- 01
Understand
A clear picture of your consumption, costs, contracts and carbon, starting with a free review of your bills.
- 02
Compare options
Solar, storage, heat pumps, EV and efficiency, ranked by value and by what is practical on your site.
- 03
Build the case
Fully funded or capital purchase, costed with payback, IRR and sensitivities that finance will trust.
- 04
Deliver
We build it with our team and trusted partners, or manage the installers for you, through to commissioning.
Experience that gets projects built.

John Mustardé
Has personally overseen the construction of more than 300 MW of solar PV, from 10 kW commercial systems to 50 MW industrial installations, as well as operational microgrids.

Oliver Sylvester-Bradley
More than 20 years in clean energy and energy infrastructure, including senior roles at Solarcentury and Vattenfall Networks.
What our clients say.
“Most feasibility reports tell us what we already suspected. Renmaker told us what was actually viable, why three of our sites weren't worth pursuing, and got the remaining two through our investment committee first time.”
“The hardware security advice was something we hadn't even considered. Once we understood the data routing risks from our existing monitoring equipment, it changed our procurement approach entirely.”
“We needed someone who understood both the technology and the internal politics of getting a capital project approved. Renmaker structured the business case in a way that finance actually engaged with.”
Find out what's worth doing on your site.
Send us your bills for a free review, or just ask us a question. We'll be honest about what's viable and whether we can help.



