solar power dose it have to be stored up in battiers be for sold too electric companies?
Thursday, April 29th, 2010 at
12:22 pm
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No.
You have a meter that shows you NET usage of electricity.
This means that you use electricity from the mains but you also use your own supply at the same time.
You don’t ever store it.
You use your own electricity first and then any more you use comes from the mains.
When you are not using any it goes back into the mains and runs the meter backwards, and other people use it, so in effect you are selling it back to the company.
Nope. It is usually not stored in batteries and is usually sold back to the power company. The voltage coming from the panels is DC volts, and of course it needs to be converted back to AC so it can be put back on the grid. Basically you still use the AC supplied by the power company, but any excess you generate or use is either credited back or charged to you. The theory here is that when your at work, your panels are supplying more AC than you are using back to the grid, thus giving you a credit.
Pretty cool stuff
Usually when the power plants are generating more energy than is being used (at night), utilities use it to pump water uphill. Then during the day they run it back through turbines to generated electricity. So the water utility is like a giant battery.
Unless you live in the desert and have a massive area of PV (photovoltaic) cells you won’t make more electricity than you can use. If you have a microgeneration system, your electricity supplier will install a two way meter to measure the amount of energy that you export (you won’t with PV). Wind power might make a net export, but you’ll need a massive turbine.
PV cells generally pay for themselves in about 40 years – they last no more than 25…
No, The way a system is hooked up is to the power company and to your battery system. Any power left over AFTER your house system is then shunted to the utility power lines.
Debra McBee
debramcbee.com