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Solar power as service programs are nothing new in the US, at all. Though certainly not available in every state, plenty of companies are in the business of installing and owning solar panels on your roof and you purchasing just the electricity they produce. TreeHugger has covered this countless times.
But in rural India this is definitely a new idea, and Simpa Networks has a twist on the plan: Customers pay for their electricity up front, topping up their accounts using their mobile phones.
