Plastic manufacturing
Plastic Engineering Solutions
£25,182 projected annual savings
- 150 kWp system
- 23% projected bill reduction
- 2.8 years payback
- Installed in 2 weeks, zero downtime
Commercial solar, tendered in the open.
This light left the sun eight minutes ago.
By breakfast, it is already on a factory roof.
10,000+ solar panels installed through CH Group projects.
Every one of them, tendered in the open.
Monday, 08:47. The board meets at ten.
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Commercial solar, tendered in the open.
We run your whole solar tender in one secure digital portal, so every installer quote is compared like for like.
For businesses across the UK and Ireland.
Three solar proposals. The same roof. Three very different answers.
Ask installers to quote and each one sizes the system, picks the equipment and models the savings on its own assumptions. The quotes arrive as PDFs and spreadsheets that cannot be compared, and you are left to run the process yourself.
We change the question.
One brief. Every proposal on the same basis.
Every installer quotes against the same verified energy baseline and the same tender brief. We then normalise each proposal on ten variables, so you compare like with like.
| Installer A | Installer B | Installer C | |
|---|---|---|---|
| System size | On one basis: 210 kWpAs quoted: 210 kW array | 180 kWp | 165 kWp |
| Generation | On one basis: 189,000 kWhAs quoted: 189 MWh a year | On one basis: 162,000 kWhAs quoted: 162,000 kWh a year | On one basis: 146,000 kWhAs quoted: Not stated |
| Self-consumption | On one basis: 70%As quoted: Not stated | 88% | 94% |
| £/kWp | On one basis: £540£113,400 installedAs quoted: 54p per watt | On one basis: £580£104,400 installedAs quoted: £104,400 | On one basis: £680£112,200 installedAs quoted: £112,200 |
| Equipment | Tier 1 450 W, hybrid inverters | Tier 1 440 W mono, string inverters | Tier 1 430 W, optimisers |
| Warranties | On one basis: 12 yr product, 5 yr workmanshipAs quoted: 12 yr product | 25 yr product, 10 yr workmanship | 30 yr product, 15 yr workmanship |
| Savings | On one basis: £32,500 (best in row)As quoted: Savings £44,800 a yearassumed 30p import | On one basis: £32,500 (best in row)As quoted: Savings £34,500 a yearassumed 24p import | On one basis: £30,700As quoted: Not stated |
| Payback | On one basis: 3.5 yrsAs quoted: Not stated | On one basis: 3.2 yrs (best in row)As quoted: Not stated | On one basis: 3.7 yrsAs quoted: Payback 3.9 years |
| Programme | On one basis: 5 weeks on siteAs quoted: TBC | 3 weeks on site | 2 weeks on site |
| Commercial terms | 50% deposit | 30% deposit, staged | 10% deposit, 90% on commissioning |
Recommended: Installer B. The strongest return on your verified baseline. Installer A's headline saving assumed a 30p import price your site does not pay.
Your whole tender, live in one place.
Most commercial solar tenders still run on scattered PDFs, spreadsheets and email chains. We take the entire process digital. Every client gets their own secure tender portal, from the first meter reading to the final board decision.
Energy assessment Your real energy use, verified first. Twelve months of half-hourly data, so no installer invents its own starting point.
Desktop tender One brief to every vetted installer. Same assumptions, same deadline.
Tender results Every quote on the same basis, side by side: price, returns, funding and carbon.
Recommendation A clear pick and a board-ready report your directors can sign off.
Real projects. Real savings.
Plant & machinery hire, Bristol
Kelston Sparks
£20,075 projected annual savings
- 116 kWp system
- 232 panels
- 2 yrs 10 mths payback
- Installed in 1 week, zero downtime
See all four projects
Projected figures supplied for each case study. Savings depend on each site's energy use, tariff and system.
Two sides of the same tender.
For businesses
Buying commercial solar?
We assess your site, run a controlled tender to our panel of vetted installers and give you a clear, board-ready recommendation. You follow every step in your own tender portal.
For installers and EPCs
Want tender-ready projects?
We find, qualify and prepare commercial projects above 100 kWp. You price a complete brief, compete fairly and deliver the work.
The people behind the process.
We are Curley & Haines Group, an independent solar procurement partner for businesses across the UK and Ireland. We manage the whole process, from your first energy assessment to appointing the right installer, and we stay with you through delivery.
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Harry Haines
CEO & Co-Founder
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James Curley
Commercial Director & Co-Founder
Frequently asked questions
How is CH Group paid?
Our fee is agreed in writing before you commit to anything. Our installer partners also pay us to develop and run tenders, and every partner bids against the same brief, so no installer can buy a better place in your comparison. The numbers behind our recommendation sit in your portal, so you can check them yourself.
Do we have to run a tender to work with you?
No, but it is where the value is. The tender is what makes proposals comparable. If you already hold quotes, we can put them on a single basis and tell you what they actually say. That is often the fastest route to a decision.
Who can see our portal?
Only the people you name. Each tender runs in a private, access-controlled workspace that search engines never see. Installers never see each other's responses or your commercial position.
What if the tender says we should not proceed?
Then that is the recommendation, and you will have the evidence behind it. A structured process that stops a weak project being built has done its job.
How do you choose the installers?
Not every EPC becomes a CH Group partner. Our vetted panel is chosen for track record, commercial discipline and safe, reliable delivery, including MCS and NICEIC accreditation and full PL, EL and PI insurance.
Let's look at your site.
A short call with Harry or James. We get to know your site, energy use and objectives, and show you how a structured tender would work for you.
Initial review We get to know your site, energy use and objectives.
Energy assessment We analyse your energy data and solar potential.
Structured tender Our vetted EPC partners compete for your project, and we give you a clear recommendation.
Book a call
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Prefer to talk now? Call Harry on +44 7488 893313.