“Because commissioning the HWS has not drawn any energy from your grid and is also now from the grid. I am very self-assured that by giving it priority use of your 14 panels it's going to continue being from the grid even under extreme durations of very low solar generation.” https://off-grid-solar-air-condit23455.bloguerosa.com/32315345/the-off-grid-solar-air-conditioners-darwin-diaries