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Several solar panels installed to augment grid electricity, or feed back into the grid. No, or limited, battery system included. One scenario would be switching specific appliances to use the output of the solar panels, yet the most common would be that the electricity generated is fed back onto the grid. The owner of the panels then gets paid by the utility for how much was generated.
The costs and benefits would depend heavily on how much electricity needs to be generated, plus location. Location affects not only the amount of sunlight available, but also whether there are government incentives or guarentees provided for home owners investing in solar.
Benefits and costs
|Annual CO2 Savings||400 - 1,500 kg|
|880 - 3,300 lbs|
|Annual Cash Savings||$200 - $800|
|Initial Cost||$1,000 - $4,000|
|Time to pay for itself||1.0 - 20.0 years|
|CO2 saved per year per initial dollar invested||0.10 - 1.50 kg|
* These value ranges were taken from many sources including product documentation, published reports, and the reference material linked here.
If everyone did this ...
If every household in the US did this, it could save a collective 198,000,000 tons of CO2 per year!
This would be equivalent to:
- Taking 38,823,529 cars off the road for a year
- Producing 14,887,218 tons of Beef
Visit How Much CO2 Is That? for more information.