Clean Power Professionals Group
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Is solar energy (rooftop) competitive?
Is solar energy (rooftop) competitive?
My neighbors always ask me about solar energy for their homes in the city of São Paulo (Brazil).
Here is a summary of the proposal received by one of these neighbors, whose power bill (local utility company) is R$330/month:
* Investment for a 5 kW system: R$ 25 thousand
* Financing for 7 years: R$ 600/month
It means that the monthly financing cost is much higher than the value of the bill received from the local utility company (almost twice).
My answer: the decision should focus on their best interest. Do they want to get a financial return on the investment or the satisfaction of having renewable generation on their roof?
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