Solar Panel Break Even Analysis

Example of the break even graph from the solar nerd calculator.

Solar panel break even analysis.

System advisor model sam made by national renewable energ. Calculation if break even is achievable. Interpreting the solar nerd payback graph. For people expecting to own their home for a long time calculating the lifetime savings after the break even point is where the gold is.

Well first off congratulations for deciding to commit to residential solar. Given that many solar panels and inverters come with 25 year product warranties you can expect more than two decades of trouble free operation from your solar array. This year most homeowners are paying between 2 87 and 3 85 per watt to install solar and the average gross cost of solar panels before tax credits is 16 800 says energysage s data. The good news is there is software that exists that will help you calculate exactly what you are looking for.

Here s my solar break even analysis excel sheet. Posted by u deleted 4 years ago. The solar panel payback period is a calculation that estimates how long it will take for you to break even on your solar energy investment. Increased utility electricity rates and lower equipment costs are making it easier and less expensive to for homeowners to own rather than lease their solar panel systems.

Calculation of initial investment to build solar panel system in small residential which the usage of electricity is 5200 watt hour per day. If you plan to sell your house sometime soon the shorter the break even point the better. Copyright pearson education inc. If you are going through an installer you re looking at around 212 50 per panel 250 watts x 85 cents.

To accommodate 5200 watt hour 1040 wp will require 11 solar panel of 100 wp whereas the price of the 100 wp is rp. Many greenhouses could become energy neutral by using see through solar panels to harvest energy. Solar panels are typically under warranty for 25 years. 1 300 000 00 per june.

A typical solar panel ranges from 150 350 watts so for this example we ll cut right down the middle and use a 250 watt solar panel.