Commercial Solar Case Studies

We're saving UK businesses

£551m*

Our client lifetime savings total over half of a billion pounds. We document all of our client results. You can view our case studies below in a searchable format featuring key data such as lifetime savings.

We're excited to share our featured case studies from throughout the UK

Explore our case studies page to see our successful commercial solar installation projects.

These studies showcase our expertise in delivering customised solar solutions for businesses across different industries.

From industrial facilities to office rooftops, our projects highlight our commitment to sustainability, efficiency, and cost-effectiveness.

See how we've helped businesses like yours leverage solar energy to meet environmental goals and achieve a strong return on investment.
ThermoFisher reduce energy costs by 15% via PPA
Custodian Capital, a commercial property asset manager, were able to secure a forecasted £4,792,281 in lifetime savings and reduce the energy costs of their tenant, ThermoFisher, by 15%.
Custodian Capital
Manufacturing
Est. ROI
3.3
 years
Installation size
830
Lifetime savings
4792281
Self sufficiency
34
%
1.05 million kg CO2 reduced annually by Lains project
Lains successfully offset 1,053,666 kg of CO2 each year and provides average annual savings of £561,750, making it a noteworthy example of environmental and economic benefits.
Renewable Funder
Est. ROI
6.7
 years
Installation size
5000
Annual savings
14043750
Self sufficiency
100
%
£850k in energy generated yearly at Bay Farm
Bay Farm effectively offsets a substantial 1,750,250 kg of CO2 each year, while also generating average savings of £850,080 annually. This initiative significantly contributes to environmental sustainability and economic efficiency.
Renewable Funder
Est. ROI
7.1
 years
Installation size
8000
Annual savings
21252000
Self sufficiency
100
%
Reducing CO2 emissions for a shopping centre by 25,541kg per year
The Southside Shopping Centre project effectively reduces CO2 emissions by 25,541 kg per year. This initiative also generates financial savings of £19,980 annually, contributing to both environmental sustainability and economic efficiency. ​​
Est. ROI
4.9
 years
Installation size
120
Annual savings
499500
Self sufficiency
17
%
Soho Farm reduces 702,644 kg CO2 annually
Soho Farm effectively offsets 702,644 kg of CO2 each year. Additionally, it generates significant financial savings of £343,350 annually, contributing both to environmental sustainability and economic efficiency. ​​
Renewable Funder
Est. ROI
6.6
 years
Installation size
3000
Annual savings
8583750
Self sufficiency
100
%
Quantrelle generates £2,294 of energy monthly
The Quantrelle project, although smaller in scale, achieves a notable annual CO2 reduction of 43,328 kg and provides yearly savings of £27,528, highlighting its impactful contributions to sustainability.
Renewable Funder
Est. ROI
5.2
 years
Installation size
200
Annual savings
688200
Self sufficiency
32
%
Reducing energy overhead for Moss Electrical by £168,720 per year
The Moss Electrical Dartford project effectively reduces CO2 emissions by 256,489 kg per year. Additionally, it generates significant financial savings of £168,720 annually, contributing to both environmental sustainability and economic efficiency. ​​
Moss Electrical
Distribution
Est. ROI
5.8
 years
Installation size
1200
Annual savings
4218000
Self sufficiency
84
%
£14m in energy generated over 25 years by Magazine project
Magazine effectively reduces CO2 emissions by 1,063,999 kg per year, while also delivering financial savings of £561,750 annually. Over a 25-year period, this amounts to approximately £14 million in savings, contributing significantly to both environmental sustainability and economic efficiency.
Renewable Funder
Est. ROI
6.7
 years
Installation size
5000
Annual savings
14043750
Self sufficiency
100
%
Honnington project generates nearly £30m in energy over 25 years
Honnington stands out with a remarkable annual CO2 reduction of 2,398,310 kg and substantial yearly savings of £1,171,170. Over a 25-year period, this amounts to nearly £30 million in savings, emphasizing its impressive contributions to sustainability and cost-efficiency.
Renewable Funder
Est. ROI
7
 years
Installation size
11000
Annual savings
29279250
Self sufficiency
100
%
Hazel Farm generates £472,500 in energy yearly
Hazel Farm offsets 1,089,781 kg of CO2 annually and generates substantial savings of £472,500 each year, demonstrating a significant positive impact on both the environment and finances.
Renewable Funder
Est. ROI
7.9
 years
Installation size
5000
Annual savings
11812500
Self sufficiency
100
%
Fardanes generates £1,184,400 in energy annually
The Fardanes project offsets 2,462,291 kg of CO2 annually and generates substantial savings of £1,184,400 each year, demonstrating a significant positive impact on both the environment and finances.
Renewable Funder
Est. ROI
7.6
 years
Installation size
12000
Annual savings
29610000
Self sufficiency
100
%
Dorset Council generate £341,880 worth of energy per year with their groundmount
Dorset Council effectively reduces CO2 emissions by 477,907 kg per year, while also delivering impressive financial savings of £341,880 annually, contributing significantly to both environmental and economic sustainability. ​​
Renewable Funder
Est. ROI
4.6
 years
Installation size
2200
Annual savings
8547000
Self sufficiency
30
%
Chapel Farm reduces 1.08 million kg CO2 over 25 years
Despite its smaller scale, the Chapel Farm project achieves a commendable CO2 reduction of 43,348 kg annually. Over a 25-year period, this amounts to approximately 1.08 million kg of CO2 reduced, showcasing the potential of even smaller projects.
Renewable Funder
Est. ROI
5.1
 years
Installation size
200
Annual savings
703000
Self sufficiency
60
%
Cobbs Cross reduces 35 million kg CO2 and generates £17.5m in energy over 25 years
Cobbs Cross offsets a significant 1,421,371 kg of CO2 each year. Over a 25-year period, this amounts to approximately 35 million kg of CO2 reduced. Additionally, the project provides substantial financial savings of £702,975 annually, totaling £17.5 million over 25 years, highlighting its significant environmental and economic benefits.
Renewable Funder
Est. ROI
6.9
 years
Installation size
6500
Annual savings
17574375
Self sufficiency
100
%
Combermere Abbey generates enough energy to power 3,500+ homes per year
Combermere Abbey Solar Farm offsets 3,170,944 kg of CO2 each year. Over a 25-year period, this amounts to approximately 79 million kg of CO2 reduced. Additionally, the project provides significant financial savings of £1,451,974 annually, totalling £36 million over 25 years, showcasing its considerable environmental and economic benefits. ​​
Renewable Funder
Est. ROI
7.8
 years
Installation size
13968
Annual savings
36299340
Self sufficiency
100
%
Box Road reduces 26 million kg CO2 and generates £14m in energy over 25 years
Box Road is a major contributor to carbon reduction, saving 1,055,012 kg of CO2 per year. Over a 25-year period, this amounts to approximately 26 million kg of CO2 reduced. Additionally, the project provides significant financial savings of £561,750 annually, totaling £14 million over 25 years, highlighting its substantial environmental and economic benefits.
Renewable Funder
Est. ROI
6.7
 years
Installation size
5000
Annual savings
14043750
Self sufficiency
100
%
BAT's system yields £6.64m in savings
We had the opportunity to collaborate with CBRE to install at British American Tobacco Southampton to enhance their sustainability efforts through a Solar PV installation.
British American Tobacco
Manufacturing
Est. ROI
3
 years
Installation size
700
Annual savings
4704000
Self sufficiency
7
%
Menzies's second installation generates just shy of £1m in lifetime savings
With an annual generation capacity of 121,837 kWh, it meets 78,522 kWh of yearly self-consumption needs and exports 43,316 kWh of surplus energy per year.
Menzies
Distribution
Est. ROI
3.2
 years
Installation size
155
Annual savings
888636
Self sufficiency
29
%
£2m in lifetime savings for Menzies
A 471kw installation that will reduce Menzies dependence on the grid by over 30%.
Menzies
Distribution
Est. ROI
3.7
 years
Installation size
471
Annual savings
2102521
Self sufficiency
33
%
ROI in under 3 years for Porsche's 2nd system installation
Porsche's 2nd site installation with us has an ROI of just over 2 years and will reduce their dependency on the grid by 39.9%.
Porsche
Automotive
Est. ROI
2.1
 years
Installation size
230
Annual savings
2035247
Self sufficiency
40
%
ThermoFisher reduce energy costs by 15% via PPA
Custodian Capital, a commercial property asset manager, were able to secure a forecasted £4,792,281 in lifetime savings and reduce the energy costs of their tenant, ThermoFisher, by 15%.
Custodian Capital
Manufacturing
Est. ROI
3.3
 years
Installation size
830
Annual savings
4792281
Self sufficiency
34
%
3.2 year lifetime return on investment for Porsche
Explore how Porsche Centre Norwich achieved a 6.1x ROI with Sustain Commercial Solar, saving £991,363 over the system's lifetime by reducing carbon emissions.
Porsche
Automotive
Est. ROI
4.1
 years
Installation size
174
Annual savings
991363
Self sufficiency
55
%

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We have made enormous savings on our costs. We now make a 6 figure income on the energy generated by our system.

Robert Moss

Managing Director

Moss Electrical

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Sustain's ongoing support has been amazing. They've delivered on all projects in a timely manner and caused minimal disruption to our tenants.

Javed Sattar

Portfolio Manager

Custodian Capital

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