Making it easier for you to make the right

greener energy decisions


Knowing where to start your journey to onsite renewable energy generation can be a daunting task for any industry or business.

That’s why OnGen was founded.

We have developed smart digital tools that can be used by any organisation, big or small, that is looking to reduce its reliance on fossil fuels and move to onsite renewable energy generation and storage.

OnGen specialises in analysing property-specific data to assess how feasible it is for you to generate your own energy.
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I am a business or organisation

Are you a business or organisation looking to understand if onsite renewable energy generation is right for you?

I am an energy consultant

Are you an energy consultant looking to help clients achieve their renewable energy ambitions?

Affiliates and Accreditations

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Talk to one of our team

Book a 20-minute conversation to discuss how we can help you by providing the right information, to make the right decisions.
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Introducing OnGen Expert.

OnGen Expert is our multi-award-winning assessment tool that makes it easier for you to assess the feasibility of generating and storing renewable energy onsite.

Using property-specific energy data and geophysical data to assess all renewable energy technologies, we provide an objective appraisal of which technologies are feasible and, crucially, what capacity is required to ensure they represent the best value for money.

  • We compare a wider range of energy generation and storage technologies than anyone else.
  • We provide the information in a way that even someone with no technical expertise can understand.
  • We can then introduce you to funders and installers to help make onsite renewable energy generation and storage a reality.
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With our digital tools, working out if onsite renewable energy is right for you is as easy as 1, 2, 3.

OnGen Expert Assessment Tool

Assess the feasibility of your business using onsite renewable energy generation and storage for all your properties.

OnGen Funding Finder

We have identified several funding sources that help to make onsite renewable energy generation viable.

OnGen Marketplace

Our trusted supplier database helps match your project needs with the right reputable, accredited installers.

Our Other Energy Saving Services

OnEfficiency – Improve your EPC rating

Using your site’s Energy Performance Certificate (EPC), we can identify, compare and simulate the impact of deploying a range of energy efficiency measures.

OnSupply – Lower your energy bills

Let us help your business find the cheapest green energy tariffs for any level of grid-supplied gas and electricity demand.

Some of our customers

REA
Scottish-Government
SEPA
Solarplicity
South-West-Energy-Hub
St-Albans-City-District-Council
Teighbridge-District-Council
The-Church-of-England
The-Co-operative-Energy
The-Energy-Check
The-Highland-Council
Tower-Hamlets
University-of-Edinburgh
University-of-Nottingham
Amber-Energy
Ameresco
Aqua-Consultants
BiU
Brook-Green-Supply
CBRE
City-of-Edinburgh-Council
Cowiesburn
EC-Business-Solutions
Eco-Logic-Partners
EMCOR
Energy-Carbon-Management
Energy-Edge
Energy-Hub
Energy-Renewals
ENGIE
ESB
Estate-Strategy-Group
Greater-South-East-Energy-Hub
Green-Team-Consulting
Hampshire-Hospitals-Foundation-Trust
HM-Courts-Tribunal-Service
HMGovernment-G-cloud-supplier
Ingite-Energy
Inspired-Energy
ITP-Energised
JLL
Johnston-Carmichael
Leeds-City-Council
MCP2
MEUC
Ministry-of-Justice
North-East-Yorkshire-Energy-Hub
North-Tyneside-Council

What our customers say about us

Above and beyond

“OnGen went above and beyond what was expected! I feel it’s only right to acknowledge their efforts and offer a huge thank you for the work they’ve done and support they’ve offered!! It really has helped us with a particular client and we would’ve come up short without OnGen!”

Michael Rossiter
Operations Director, EC Business Solutions

Strips complexity away

“The platform OnGen has created really does help speed up the decarbonisation agenda because it strips a lot of the complexity away that some individuals and companies have benefited from when they shouldn’t have; thus slowing down the green-energy transition.”

Lebona Vernon
Client Solutions, ESB

Identified opportunities

“Through the OnGen Expert, we have identified the opportunity to install 13.5MW of wind, solar and biomass CHP to save approximately 7,000 tonnes of carbon.”

ITP Energised
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Download our free Renewable Energy Guide