*sarcasm* This truly great American who said. Fuck reducing demand. I'll just increase supply. *end sarcasm* has a really expensive yet thorough system he built for his home in New Jersey. Now Johnny Depp hired him to build it on his own island. !!! wow
Mike is using propane tanks to store hydrogen made from electrolysis from solar and a fuel cell to generate heat and electricity in the winter along with geothermal as well. While this is not a realistic solution for us regular folk, it is something.
Energy storage really is the missing link right now. I'm still waiting for the EEStor technology.
More info over at the amazingly awesome Ecogeek.
Eeres a video of mike's new jersey system: