I want to maintain the 70 c temperature of 50 liters approx water using 500 w dc heater for 24 7.
Excel sheet for costs of solar panels.
If anything lends itself to being set out in a spreadsheet or financial model it is this.
A cash purchase has benefits like using the investment tax credit and depreciation benefits of solar but not everyone has the ability to buy solar panels with cash upfront or use a lender.
0 7 per annum versus 0 25 per annum may not seem like much difference but compounded over a 20 year period it s a 5 1 versus 15 0 decrease in output and each year you re paying more per kwh for the electricity that your panels are no longer generating.
I developed what started off as a simpler spreadsheet to help decide the best energy plan to consider from our energy provider origin energy.
Download excel solar panel calculator calculator spreadsheet calculator online for free.
I have seen the excel sheet you have prepared for design of solar panel inverter and battery bank and it is awesome.
We provide an easy to modify and fill in solar power return on investment template that will support your plan to invest in solar projects.
If you are grid tied or participate in net metering the power generated at your facility is placed as a credit to your energy bill.
Here my application is little different on solar water heater.
But you should also look at the data sheets for each panel and see what the maximum guaranteed degradation is for the different panels.