Ask Fuzzy: Is the life-cycle energy required for renewable energy technologies comparable with their energy generation and will the construction of renewables always emit CO2? | The Canberra Times

These are cunning myths because they were true several decades ago when solar photovoltaic (PV) systems were made individually to power the early artificial satellites. But nowadays, PV modules are mass produced and have much lower energy inputs, much higher energy conversion efficiencies and longer lifetimes.

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