I was surprised, but this calculation checks out. Wild. This really points to the scale of influence that large companies have, especially considering this is < 0.1% of typical household electricity consumption. Consider then that household electricity consumption is not the complete picture - add in cars (both ICE and electric being ~ICE/4), food production, etc, and you see both how much energy we use and how much single entities influence this amount. According to the internet, google data centers are ~1 million households (I saw 15TWh/yr), so 1% efficiency improvements are a small town worth of electricity. At they same time, they claim 3m household savings due to Nest, wow.