OnGen helps businesses to reduce energy costs and carbon by providing a data-led, Independent evaluation of which onsite renewables and energy efficiency options are best suited for a property.  We help companies build the business case and secure funding for the installation of renewables on-site through our innovative, award-winning software, OnGen Expert™. 

We’re not here to try and sell you green energy improvements. We provide independent, accurate information, in an easy-to-understand format, to help you make the right decisions on your journey to lower cost, carbon neutral energy.


1 Haven Green,
Ealing Broadway,
W5 2UU