Empowering UK Businesses with Solar Power

The UK's trusted partner in commercial renewable energy solutions since 2007.

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View case studies

Empowering UK Businesses with Solar Power

The UK's trusted partner in commercial renewable energy solutions since 2007.

Make an enquiry
View case studies
£
551
m
MW
bn kg
k
Lifetime client savings
£
218
m
MW
bn kg
k
Installed since 2007
£
1.2
m
MW
bn kg
k
Lifetime CO2 offset
£
623
m
MW
bn kg
k
Panels installed

ThermoFisher cut energy costs by 15% without any upfront or ongoing costs

Read the full case study
View all case studies

Custodian Capital are one of our repeat clients and partners. By installing an 830 kW solar system on one of their properties, they were able to pass on a 15% reduction in energy costs to ThermoFisher.

This is under a common arrangement called a Power Purchase Agreement (PPA) whereby an asset manager will fund and maintain an installation under an agreement to sell the energy at a reduced rate to the property user.

£4.7m lifetime ROI
Over the system's 25 year lifetime, it will yield over £4.7m in savings for Custodian Capital.
Net zero
The installation is a significant step for Custodian Capital & ThermoFisher on their way to meet Net Zero targets.
Case study header
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[Client name]
[Sector]
Est. ROI
4 years
Installation size
12.4 MW
Annual savings
£210,251
Self sufficiency
-24%
Case study header
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[Client name]
[Sector]
Est. ROI
4 years
Installation size
12.4 MW
Annual savings
£210,251
Self sufficiency
-24%
Case study header
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros.
[Client name]
[Sector]
Est. ROI
4 years
Installation size
12.4 MW
Annual savings
£210,251
Grid reliance
-24%
Case study header
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros.
[Client name]
[Sector]
Est. ROI
4 years
Installation size
12.4 MW
Annual savings
£210,251
Grid reliance
-24%
Case study header
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros.
[Client name]
[Sector]
Est. ROI
4 years
Installation size
12.4 MW
Annual savings
£210,251
Grid reliance
-24%
Case study header
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse varius enim in eros.
[Client name]
[Sector]
Est. ROI
4 years
Installation size
12.4 MW
Annual savings
£210,251
Grid reliance
-24%
View all
Dorset Council generate £341,880 worth of energy per year
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
Lifetime savings
8547000
Self sufficiency
30
%
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
Lifetime savings
8583750
Self sufficiency
100
%
Offsetting 43,468 kg of CO2 annually through solar power
Island Health's commitment to sustainability is evident in its solar power project, which offsets 43,468 kg of CO2 annually. This initiative demonstrates the significant environmental and economic benefits of solar energy.
Island Healthcare
Carehomes
Est. ROI
4.9
 years
Installation size
200
Lifetime savings
725200
Self sufficiency
34
%
Saving over 100,000 kg of CO2 annually with solar installation
Pearce Recycling's solar installation is a major environmental success, saving over 100,000 kg of CO2 emissions annually. The project not only supports sustainability but also yields substantial financial savings.
Pearce Recycling
Recycling
Est. ROI
5.3
 years
Installation size
500
Lifetime savings
1665000
Self sufficiency
54
%
£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
Lifetime savings
21252000
Self sufficiency
100
%
Achieving substantial CO2 savings of 54,253 kg annually through solar installation
Sheffcare's solar installation is a major step towards sustainability, achieving significant CO2 savings of 54,253 kg annually. The project highlights the dual benefits of environmental conservation and cost reduction.
Sheffcare
Carehomes
Est. ROI
5.3
 years
Installation size
250
Lifetime savings
832500
Self sufficiency
54
%
£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
Lifetime 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
Lifetime savings
29279250
Self sufficiency
100
%
129 panels installed at Oakland Grange
A rooftop solar PV installation at Oakland Grange, with a capacity of 52.89 kW and 129 panels, generates approximately 46,399 kWh annually, saving an estimated 9,600 kg of CO₂ in the first year. Over 25 years, the system is projected to save £303,647, generate 1,159,975 kWh, and offset 260,983 kg of CO₂, equivalent to planting about 10,439 trees.
Oakland Care
Carehomes
Est. ROI
 years
Installation size
52
Lifetime savings
303647
Self sufficiency
%
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
Lifetime savings
14043750
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
Lifetime savings
29610000
Self sufficiency
100
%
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
Lifetime savings
888636
Self sufficiency
29
%
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
Lifetime savings
703000
Self sufficiency
60
%
Cutting electricity costs by £448 weekly and CO2 emissions by 26,695 kg annually
Churchill has made impressive strides in sustainability by reducing its CO2 emissions by 26,695 kg annually thanks to its new solar energy system. The project highlights the environmental and economic benefits of renewable energy.
Churchill
Carehomes
Est. ROI
4.8
 years
Installation size
111
Lifetime savings
705456
Self sufficiency
37
%
Saving £19,477 annually while reducing CO2 emissions by 30,474 kg
ACI Care has significantly reduced its carbon footprint by installing solar panels, cutting down over 30,000 kg of CO2 emissions each year. This initiative not only promotes sustainability but also brings substantial financial savings of £19,477 annually.
ACI
Carehomes
Est. ROI
5.1
 years
Installation size
140
Lifetime savings
486920
Self sufficiency
38
%
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
Lifetime savings
4218000
Self sufficiency
84
%
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
Lifetime savings
499500
Self sufficiency
17
%
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
Lifetime savings
11812500
Self sufficiency
100
%
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
Lifetime savings
2035247
Self sufficiency
40
%
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
Lifetime savings
14043750
Self sufficiency
100
%
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
Lifetime savings
17574375
Self sufficiency
100
%
£455,610 in lifetime savings for the largest independent training provider in England
A 79.12 kW rooftop solar system with 172 panels at Baltic Training Services, Darlington, generates 66,713 kWh annually, saving 31,338 kg of CO₂ in the first year. It will provide £18,224.43 in first-year savings and £455,610.75 over 25 years, with a total generation of 1,667,825 kWh.
Baltic Apprenticeships
Education
Est. ROI
 years
Installation size
79
Lifetime savings
455610
Self sufficiency
%
Cutting 8,030 kg of CO2 emissions annually with solar panels
Clifford Springs' solar panel installation has successfully cut 8,030 kg of CO2 emissions each year. This project showcases the positive impact of renewable energy on both the environment and the organization's finances.
Clifford Springs
Manufacturing
Est. ROI
5.3
 years
Installation size
37
Lifetime savings
124579
Self sufficiency
62
%
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
%
Reducing grid reliance and saving £27,528 annually
Quantrelle has significantly reduced its carbon footprint by installing solar panels, cutting down 43,328 kg of CO2 emissions each year. This project showcases the positive environmental and financial impacts of renewable energy.
Renewable Funder
Est. ROI
5.2
 years
Installation size
200
Lifetime savings
688200
Self sufficiency
32
%
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
Lifetime savings
36299340
Self sufficiency
100
%
£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
Lifetime savings
2102521
Self sufficiency
33
%
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
Lifetime savings
991363
Self sufficiency
55
%
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
Lifetime savings
4704000
Self sufficiency
7
%

Our core solutions

We provide comprehensive support for your business's transition to renewable energy, aiming to reduce energy costs and enhance your ESG credentials.
‍
We are endorsed by all major industry accreditations and collaborate with top hardware suppliers and leaders in related industries.

Commercial solar

Our primary service offering helps numerous UK businesses save hundreds of thousands of pounds annually on their energy expenses while enhancing their ESG credentials.

4 year average ROI
We quote an average return on investment of under 4 years on our commercial solar quotes.
Reduced grid reliance
Our customers significantly reduce their reliance on the grid, stabilising their operations long term
Learn about commercial solar
View case studies

Battery storage

We advise our clients to install commercial solar and monitor their system for a year to assess whether adding battery storage would be beneficial based on their needs and usage.
‍
In certain scenarios, batteries are essential, particularly when maintaining a stable and uninterrupted power supply is crucial for business operations.

Learn about battery storage
View case studies
Solar car ports

Huge opportunities in wasted space

Solar farms and parks

Large spaces generating large results

EV Charging

16% of new cars in the UK are now electric

Solar performance monitoring

Data is a precursor to better decision making

Solar panel cleaning

Most systems should be cleaned once per year

Your commercial solar roadmap

We have a full breakdown of what you can expect within our services section. For a brief overview, take a read through the timeline below.

Make an enquiry

We’ll get back to you within 48 hours.

Get started

Consultation

We’ll speak with you to understand your goals and priorities for your system.

System design

Our experts will design your optimal system based on your priorities.

Prep & installation

We’ll assist you with any logistical requirements and install your system with minimal disruption.

Monitoring & support

Once installed, you’ll receive ongoing support and be able to monitor the output of your system.

How much can your business save with commercial solar?

To the left is a real return on investment forecast for one of Custodian Capital's five commercial solar installations that they have completed with us.

The site, installed on their tenant Thermo Fisher's facility, breaks even in four years and will generate lifetime savings of just shy of £4.8m.

Systems can be installed at no upfront cost and achieve similar savings.

Read the full case study
View all case studies

Book your free consultation today

We can give you extensive projections on various commercial solar options with some basic usage data and a video call.

Book your free consultation
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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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Your financial options

Our site features expansive guides on what the best financial options are for your business when considering commercial solar installation.

CAPEX
Upfront payment
Fastest ROI
Highest lifetime savings
Annual investment allowance tax break
View CAPEX
Hire purchase
Leasing options
No upfront cost
Annual bills reduced from day 1
Annual investment allowance tax break
View hire purchase
PPA
Power Purchase Agreement
No upfront or maintenance cost
Annual bills reduced from day 1
Minimal logistical involvement
View PPA

FAQs

We’ve created an extensive library of frequently asked questions from our prospects, customers and general public.

You can view the FAQs specific to this page to the right.

Or view all FAQs on the page linked below.

View all FAQsContact us
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Can a business go off-grid with solar and battery storage?
How long do commercial solar batteries last?
What is a commercial solar battery?
Will solar panels increase the value of commercial property?
Can a business expand its existing solar panel system?
Do commercial solar panels require maintenance?
David Elbourne
Group CEO
Nick Elbourne
Chief Operating Officer
Jani Moran
Commercial Director
Dan Wilson
Designer
Vetus Cepulis
Technical Director
Rochelle Hoskins
Sales Administrator

Our team

100+ years combined experience in solar and over 50,000 installations completed.

Our team are ready to assist you in your commercial solar transition.

We’re actively looking for driven self starters to join us on our mission to empower UK businesses with sustainable energy.

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David Elbourne
CEO
Nick Elbourne
Operations Director
Jani Moran
Commercial

Empowering UK businesses for a sustainable future and predictable energy cost savings.

£551m
Lifetime client savings
218MW
Installed since 2007
1.2bn kg
Lifetime CO2 offset
623k
Panels installed
Book your free consultation
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Empowering UK businesses for a sustainable future and predictable energy cost savings.

£551m
Lifetime client savings
218MW
Installed since 2007
1.2bn kg
Lifetime CO2 offset
623k
Panels installed
Book your free consultation
Connect with us
Subscribe to our newsletter

We share industry news, case studies and advice for your commercial renewable energy journey.

Thank you! We'll be in touch.
Oops! Something went wrong while submitting the form.
By subscribing you agree to with our Privacy Policy
Solutions
Solar panel installationBattery storageCarparksEV chargingSolar farms and parksSolar panel cleaningSolar performance monitoring
Services
Consultancy and feasibilityDesignFinancial solutions and tax benefitsPlanningStructural analysisProject management and health & safetyProcurementInstallation and commissioningMetering and monitoringOperations and maintenancePost installation aftercare
Resources
All resourcesCase studiesFAQsGlossaryNews
Other
About usCareersLegal
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*Client lifetime savings figure is based on a rate of 18p @ 60% usage if the system is installed on a building and based on 100% export @ 10pm if the system is a ground mount.
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