Solar panels on the Desi Mart Convenience Store roof
Real install · Retail
Case study · Commercial · Retail

71% off the power bill. Every single year.

A busy convenience store selling Asian groceries and fresh produce that runs on power all day, and cut its electricity bill by around 71%.

15 kWSystem size
~36Panels
71%Bill cut
5-6 yrTypical payback
As featured in
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01
The client

A business that runs on power, and pays for it

A busy convenience store selling Asian groceries and fresh produce that runs on power all day. Keeping it running takes serious, steady electricity, and it had become one of the biggest running costs the store carried. As that bill climbed, Desi Mart Convenience Store wanted more than a smaller invoice, they wanted predictable costs, and a way to reinvest the savings into the business instead of handing them to the grid.

02
The challenge

Money straight out of the business, every year

Every pound going to grid electricity was a pound not going into the business. For an operation watching its margins, the annual energy bill was the line that kept climbing and never worked harder for them. The question wasn’t whether to act, it was how to cut it without disrupting the day‑to‑day running of the place.

03
What we did

A 15 kW system, sized to the load

We designed a 15 kW rooftop system, around 36 panels, matched to how Desi Mart Convenience Store actually uses power through the day. Solar4Good ran the whole job end to end, from site visit and design through to install and commissioning, and scheduled it around the business so trading was never disrupted.

  • ~36 panels (15 kW total), sized to daytime demand
  • Commercial inverter + monitoring
  • Designed to generate in the same hours the business runs
  • Installed around live trading with zero disruption, future‑proofed for battery
04
The results

A 71% cut, straight off the bill

Desi Mart Convenience Store’s electricity bill fell by about 71%. The system generates an estimated ~13,500 kWh a year and avoids around 2.8 tonnes of CO₂ annually (both estimated from the 15 kW system size and UK yield). Over the system’s 25-year life that is roughly £56,000 to £75,000, on an install that typically pays for itself in five to six years.

Generation and saving figures on this page are estimates, modelled from the system size and a typical UK yield. They are not meter readings. Your own figures depend on your roof, your usage and the weather in any given year, and we confirm them from a real assessment rather than a model.

By the numbers
Financial
Bill cut~71%
Typical payback5-6 years
Energy
Generated / year~13k kWh (est.)
Bill cut~71%
Specific yield~900 kWh/kWp (est.)
Environmental
CO₂ offset (lifetime)~70k kg (est.)
Equivalent trees~2k (est.)
CO₂ / year~2800 kg (est.)
On site · Desi Mart Convenience Store
Commercial rooftop solar, placeholder, real photos pending
Commercial rooftop solar, placeholder, real photos pending
Commercial rooftop solar, placeholder, real photos pending
Commercial rooftop solar, placeholder, real photos pending
The kit
50 × Jinko 425W
Solar panels · 21.25 kWp total
Growatt MID 20 KTL3-X
20 kW string inverter
North-east · 10° pitch
Roof orientation & angle
Good to know

Common questions about commercial solar, and how they played out for Desi Mart Convenience Store.

Does solar pay off for a business like this?

When you use power through the day, yes, you use most of what the panels make the moment they make it. That’s what took roughly 71% off Desi Mart Convenience Store’s bill. We’ll model your exact load and roof and show you the real numbers before you commit.

What does a commercial system like this cost?

Every building is different, so we size and price to your roof and how you use power. Desi Mart Convenience Store’s 15 kW system took about 71% off the bill, and a commercial system like it typically pays for itself in five to six years. We’ll put a real, numbers‑first projection of cost, saving and payback in front of you.

Will the installation disrupt my business?

It doesn’t have to. We plan installs around live trading, so the business keeps running. Site visit, design, install and commissioning, handled end to end and scheduled around you.

The bottom line

A power bill cut by 71%, with the difference staying in the business every year, made on its own roof.

Rated 4.8 on Trustpilot · 1,000+ reviews across Trustpilot and Google

“George the sales chap was straightforward and honest, and the whole installation team were awesome, courteous and professional throughout.”

Jamie Wilson · Verified Trustpilot review

“From start to finish the whole job has been seamless. The install guys were polite, knowledgeable and efficient.”

Timothy Clarke · Verified Trustpilot review

“I wholeheartedly recommend this company for solar and battery storage installation.”

Soham Acharya · Verified Trustpilot review

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