Extract

As the number of photovoltaic systems grows and costs decrease dramatically along with their connect-to-grid tariffs, we ask whether our investments all make sense. This is a real case study, comparing energy use before and after going solar, by installing PV, reducing electrical energy use by retrofitting lighting, and storing electricity in a hybrid vehicle. The case study covers more than energy savings and explores the results of these actions. We present and develop data to calculate and illustrate the findings of energy generation, its use and sale back to the grid. We explore the reasons for, and benefits of, each of the investments and justify why ‘Going Solar’ makes plain good sense for the future.

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