Can an grid-tie inverter be told to use the battery backup even when the Grid is running?
Outback and some other grid inter-tie inverters have a option to use batteries when the grid goes out. Can I tell the inverter to use the battery back instead even if the grid is on? ( I assume there is a test mode, to make sure everything's working?) I want get a inverter that has this mode so that when electricity is expensive from the grid (I have real time pricing), I can just use my batteries to power the house instead. I don't want to sell any power back to the grid. Just use my batteries when its expensive to buy from the grid.
Thanks for the info!
Absolutely. The SMA Sunny Island will allow you to stay off the grid, even when grid tied, and just connect to the grid based on state of charge, load, time of day. Go to the site below and enter your zip code to find someone near you that sells those things. SMA sells the most reliable inverters in the industry.
Grid inter-tie inverters with batteries and real time pricing? to save money?
Are there any companies that sell the control systems or grid inter-tie inverters that can be coupled with a battery system and real time pricing from the power company to automatically buy power when its low and sell when its high? Usually buying at night and storing in batteries and using during the day when the electricity is costly! Thanks.
I live in a area where I have real time pricing from my power company and my house is all electric. I have some solar but I want to save more money. Its also more environmentally friendly to use grid power at night.
The real time pricing i have tells me how many KWH's i use every hour. Just to clarify I don't want to sell my power company any power.I just want a automatic system to decide to use the grid or my batteries, biased on the price. My power company e-mails and texts me the price.
post a link to your utility companies tariffs. I'd bet they would buy back electricity at a rate lower than the cheapest sell rate. Couple in the loses from the system and you will lose money.
If your plan worked, everyone would be millionaires.
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