PV panels are more popular than energy efficiency changes when looking into green building. But efficiency and PV were made for each other, and when … In their showcase home, the team paired a 2.4 kW PV system with a package of energy- efficiency retrofits that amounted in BEOpt to a 30.5% energy savings without PV, and 55% with PV – a clear demonstration of the synergy between load reduction and supply. Actual production of the system came out at 10% … …

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