I’m looking for back-up power for my home, should I install a UPS system or a solar power system?
A UPS as well as a solar power system with storage both provide back-up power to your home during a grid power outage but there are certain key differences.
A UPS system is typically used to provide short duration power back-up to select appliances at your home. While the upfront cost is lower, operating the UPS is an expense as your electricity bill goes up due to increased consumption of grid power to be stored in batteries to provide the requisite back-up as well as power wasted to cover the system losses.
As you can see the electricity bill increase with a UPS system can be significant and increases every year as your grid power tariffs go up each year & the efficiency of the systems goes down.
Unlike a UPS system, a hybrid solar system reduces your electricity bill as power from your grid is only drawn when the energy generated by the solar panels is not sufficient to meet your consumption. Solar energy in this case is stored in batteries to provide back-up power in the event of an outage and the balance energy is used to substitute grid power consumption (when there are no power cuts) to the extent possible. Thus these systems can be designed to support the entire home primarily on solar with grid power being used as a back-up to achieve maximum reduction in your electricity bill and lock in your energy costs for the foreseeable future.
The continued monthly savings due to a reduction in the electricity bill can effectively recover the additional upfront cost of solar power system compared to a UPS system in 3 to 5 yrs.
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