Primary Energy Renewable (PER) factors as part of the Passive House standard assessment

"Primary Energy Renewable (PER) factors as part of the Passive House standard assessment are an undervalued stroke of genius. Here’s the story: the problem we have with a future, fully renewable power system - considered are solar, wind and hydro – is a seasonal discrepancy between demand and supply.”

Read the article by Kara Rosemeier, Director at PHINZ, on energy use optimisation here.