Tag: solar panels

‘Free Energy’ from the Sun Keeps Getting Cheaper

99.99% Price Drop! From $76 per watt in 1977, the cost of silicon solar cells has fallen to $0.20 per watt in 2020 (full story) With the recent 2-year extension of the US Investment Tax Credit (ITC) for installing residential solar systems, your reasons… Continue Reading “‘Free Energy’ from the Sun Keeps Getting Cheaper”

Solar Power with Battery Backup

Since installing our TESLA solar system and Powerwall 2, we’ve avoided 19 power outages! Most recently, our battery backup kept the power on three hours on September 30th, and fifty-five minutes on November 11th. Our past five electric bills have only been $7 to… Continue Reading “Solar Power with Battery Backup”