This slide deck, part of an online course, gives a brief but thorough overview of business models for off-grid solar energy, looking in particular at pay-as-you-go models, and presents insights into the investment landscape for off-grid solar companies.
Wind farms tend to be large projects built in relatively remote areas, and in the past, they have often generated more disturbance than benefits for local communities. This World Bank report discusses models that allow host communities of wind energy projects to benefit more from those projects.