What are the 2 main disadvantages to solar energy?
- Cost. The initial cost of purchasing a solar system is fairly high.
- Weather-Dependent. Although solar energy can still be collected during cloudy and rainy days, the efficiency of the solar system drops.
- Solar Energy Storage Is Expensive.
- Uses a Lot of Space.
- Associated with Pollution.
Is solar for your home really worth it? Recently, the National Renewable Energy Laboratory (NREL) found that for a home with a solar power system, every dollar saved on energy increases a home’s value by $20. That is a 20-to-1 return on investment (ROI). Here are some factors to help you maximize the value of your solar investment.
What is the average cost of a solar system for a house? The cost of a solar electric system is measured in dollars per watt. The average cost for a residential system is currently $3-5 per watt. That means the average 5-kW residential system will cost $15,000-$25,000, prior to tax credits or incentives.
How many solar panels are needed to run a home? How many solar panels does the average house need? With a home of roughly 1500 square feet, it is estimated that 15 to 18 solar panels will be needed.