**Electricity**

Price: €

**PV System**

Cost: €

Production:

Lifetime:

**Savings account**

Interest:

**Loan**

Interest:

**Current balance**

How much money do you have now: €

**After 0 years you will have
**

- € 0 if you buy solar panels
- € 0 if you just buy electricity

**Notes**

- PV efficiency decreases over time, up to 80% in 25 years.
- Price of electricity is not constant. It may rise, it may fall.
- The calculator assumes PV production is at most equal electricity your usage.
- The model used assumes money saved on electricity is put in a savings account or is used to pay of a loan needed to buy the PV system
- There might be bugs. If you find one, contact pvcalc@zmooc.net