Green projects – particularly sustainable energy sources and clean technology - include multiple technologies, at different stages of maturity. The appropriate type of financing will be chosen according to the stage of development of the technologies. For example venture capital financing is normally suited for un-proven and un-tested technologies, while project financing is used for mature technologies such as wind and solar. Projects also have different phases – development, construction and operational – which require different financing methods (equity, then debt) and it is at the latter stages (. operational refinancing) where instruments such as.
