Hon Dr MEGAN WOODS: It will vary based on the household, but I'm advised recipients should get estimated savings annually of between $700 and $850 per household. Projects from earlier funding rounds are reporting that installing equipment like solar panels and household batteries has made a huge difference to whānau struggling with their power bills. Some have had their power bills drop by 30 to 50 percent, including some recipients saving over $1,000 a year.