Mastodawn

This winter storm is making me actually think about installing a whole home backup power source (I know, me and half the US right now).

I already have solar but no battery as my utility company does 1:1 net metering.

Does anyone reading this have any experience in building a grid-tie battery system? Powerwall is an option I guess but I’d like to DIY this thing if I can so I choose when it get charged not an algorithm.

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Christoph Leide

@ironicbadger The batteries, inverter, charge controller etc. are not the big issue. Like you mentioned, the brains is the issue. And it can get very interesting, very quickly with the power company, inspection and UL listing requirements, etc. The building industry is, like most others, securely in the fangs of big tech, but there are initiatives. Don't give up on this and please keep sharing!