Skip to content

About us

On-Site Energy was founded to support energy intensive manufacturers to achieve their sustainability goals whilst minimising their energy costs.  

From our founder’s experience within a NYSE-listed global manufacturing business, developing a focus on energy savings and sustainability is key. Operations and facilities teams are often too close to the problem. They need support and innovation to develop solutions.  The scale of the opportunities often surprises them.  But then they need to secure the capital investment to realise those opportunities.  Competition for capital is usually high, which generally limits payback to 2-3 years. 

Our off-balance sheet approach can unlock the opportunities, allowing faster adoption of savings and sustainability gains to accelerate ESG credentials.    


We have assembled a team of skilled and experienced energy and sustainability professionals to help identify opportunities. 

On-Site is not just a consultancy. We consult, but we also deliver, own, operate and maintain the assets we deploy when under our zero capex model. We have the financial resources to build our projects with our own funding, without the bureaucracy and constraints of bank funding, which allows us to act quickly, commercially and adapt to change rapidly. Because we are working with our own capital, we can be more flexible in our commercial terms than larger energy ESCO suppliers.

We can also support and manage capital projects where our customer wishes to fund themselves.


Our key skill sets are our ‘can-do’ attitude, our innovative approach to developing solutions and our commercial edge arising from our financial independence.  

We are not afraid of developing solutions where for other providers the computer says “no”.  We have successfully deployed complex solutions that had not been identified or which were regarded as “too difficult” by others.

Our board

David Kipling
CEO – On-Site Group

David entered the energy sector in 2009, founding a corporate finance business specialising in renewable energy projects. He undertook project development in utility scale solar PV and wind. Latterly, he enjoyed 5 years with Jabil (NYSE: JBL,  as a Vice President with a leading role in corporate venturing in distributed commercial energy technologies. He led a team rolling-out an innovative energy savings process across Jabil’s factories globally.  In that role he identified the issues preventing listed companies from more widely adopting energy savings opportunities and sustainability measures, which has been a key learning in On-Site Energy’s business model.

He qualified as a Chartered Accountant in 1989, and was a partner in Kidsons Impey (now RSM) for 5 years. 

Follow me on LinkedIn 

Bay Downing

Bay has a firm background in business and large scale property development in particular,

Bay has used his entrepreneurial skills to play an active role in the creation of better environmental understanding, driving strategy to promote diversification and sustainability within the Downing group

James Lee
Board Adviser

James has been a key player in the world of solar for over 12 years. James established Lightsource Renewable Energy (now Lightsource BP) in 2010 and as Managing Director grew the business to be the largest Solar development business in Europe with over 300 staff, operating over 1GW of Solar assets and investing over £2.0B before a successful sale and exit.

James has continued to be heavily involved in the Solar and Renewables industry across the globe as both as an investor and in board roles


We are proud to hold ISO9001 and be members of the following industry associations

Major Energy Logo
CIA logo
Cold Chain logo
BPF-Logo-Medium-White-Background (1)
Blue border, white background

Our group

On-site Energy Ltd is part of the Downing Group of Companies (

Downing has a strong track record of 30 years in the real estate sector specialising in the development and operation of student accommodation, and has developed properties worth over £2 billion. Downing Group is based in Liverpool and employs over 150 people involved in site sourcing, permissioning, construction, student accommodation management and finance & administration. Downing have a strong focus on sustainability within the design and operation of their buildings.

The driving force behind Downing’s growth is George Downing, who is passionate about bringing new life into city centres, and is credited with playing a significant role in Liverpool’s regeneration.  

Downing are similarly passionate about On-Site Energy, and sees a strong parallel with the development process and alignment with sustainability goals and regeneration that has been the foundation of the Downing business.

On-Site Energy Group Ltd is based in Guernsey, which owns On-Site Energy Ltd in UK. We form special purpose limited companies (“SPV”) through which we progress our projects for our customers. To date we have 13 SPVs progressing over £40m of projects.

Our Companies:

GFT Energy Centres
KF Energy Centres
FFG Energy Centres
YSF Energy Centres
WPE Energy Centres
On-Site Energy Centres
Energy Centres 2
CP Energy Centres
CSF Energy Centres
KN Energy Centres
ST Energy Centres
TR Energy Centres
YSQ Energy Centres
Company numbers:
GFT  12266468
YSF  12859310
OEP EC2  13397027
CP EC  14432981
CSF EC  14432946

KF  12859329
WPE  12860610
KN EC  14432936
ST EC  14432952

FFG  13151832
On-Site  13397131
TR EC  14432948
YSQ EC  14438402