Because You have a Corporate Social Responsibility (CSR) and a real concern over Climate Change.
Because you want to reduce your Energy Bills
Security of supply
Because you want to show your customers that you are serious about your CSR and are ethically focused.
Because you want to stay one step ahead of the Government’s looming “Green” Taxes
Because supply of “Green Energy” is limited.
Offset feasibility study's against TAX
Take advantage of the Grants!
Probably a mix of the above