Real Solar4Good install · Horley, Surrey
Case study · Commercial · Hospitality

18 kWp of solar on a hotel near Gatwick that never turns the lights off.

A 2-star hotel by Gatwick Airport, running around the clock for travellers, cut its electricity bill by nearly two thirds.

18 kWSystem size
44Solar panels
64%Bill cut
5-6 yrTypical payback
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01
The client

A hotel that runs around the clock

The Gatwick White House Hotel is a 2-star property a few minutes from Gatwick Airport. It puts up leisure guests, business travellers, and passengers who just need a bed near the terminal before an early flight. That means it never really switches off. Rooms lit, heating on, kitchen and laundry running, guests checking in at all hours. All of that pulls a lot of electricity, and the bill had climbed to a point where the owners couldn't ignore it. They wanted the cost under control, and they wanted to do right by the environment while they were at it. The problem was simple to say and harder to solve.

02
The challenge

A power bill on a hotel that can't go dark

Electricity had become one of the hotel's biggest running costs. On a business with thin margins and rising energy prices, that's the kind of number that eats into everything else. But a hotel can't cut its bill the easy way. You can't dim the lobby, switch off the heating, or empty half the rooms to save power. Guests expect everything working, day and night. So the question wasn't whether to act. It was how to take a serious chunk out of that bill without a single guest noticing the work was even happening.

03
What we did

An 18 kW system, fitted around a live hotel

We sized the system to the hotel's real demand, not a brochure number, and ran the whole job end to end. Site visit, design, install and commissioning, all handled by us and scheduled so guests and staff carried on as normal. Nobody's stay was disrupted while the panels went up.

Black solar panels being fitted to the steep tiled roof of the Gatwick White House Hotel, with scaffolding alongside
The installed array on the roof.
  • 44 × 410W panels (18 kW total), sized to the hotel's daily electricity use
  • Fitted around a working hotel with guests in residence, no disruption to their stay
  • Handled end to end, from first site visit through to commissioning
04
The results

The electricity bill cut by nearly two thirds

The hotel's electricity bill dropped by 64%. Money that used to go straight to the grid now stays in the business, ready to go back into rooms, service and guests. On a building that runs every hour of every day, the panels earn their keep from the moment the sun comes up. Over the system’s 25-year life that is roughly £68,000 to £90,000, 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
System size18 kWp
Panels44
System cost£18,100
LocationHorley, Surrey
System
System size18 kWp
Solar panels44
Panel output410 W
PropertyHotel
The kit
44 × 410W panels
Solar panels · 18 kW total
18 kW commercial rooftop
Hotel install · Gatwick
Good to know

Common questions about commercial solar, and how they played out at the Gatwick White House Hotel.

What could solar actually save a hotel like ours?

At the Gatwick White House Hotel it took the electricity bill down by 64%, and the £18,100 system is on track to pay for itself in five to six years. Every hotel is different, so we model your own bill and usage first and show you the real numbers before you commit. If the sums don't work, we'll tell you.

Will the installation disrupt our guests?

It doesn't have to. We planned the Gatwick install around a working hotel with guests in residence, so nobody's stay was disrupted while the panels went up. Site visit, design, install and commissioning, all handled end to end and scheduled around you.

Will it work for a hotel that runs 24/7?

That's exactly the kind of building solar suits. The Gatwick hotel never really switches off, so it uses the power the moment the panels make it. An 18 kW system was enough to cover a big share of that demand and cut the bill by nearly two thirds.

The bottom line

A 2-star hotel by Gatwick Airport cut its electricity bill by 64%, and the £18,100 system is on track to pay for itself in five to six years.

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