My consulting experience in the energy arena indicates that good, solid projects are easier to fund from a financial prospective.
1. Make sure you have at hand a great project.
It provides a hefty internal rate of return (IRR) when the discounted cash flow considers a competitive power price (USD/MWh).
2. Look for power traders to make sure that there is market interest for the power made available by this project.
If yes, it makes sense then I would look for investors having already at hand power market prices, internal rate of return of the project and the required capital expenditure.
Whenever I was in a position to come up with a very consistent project, it was fairly easy to find investors! You need to show solid numbers, room for "safety margins", viable power prices ...then you are ready to look for investors!