instant CALCULATION
Discover Your Expected Annual Savings & Break Even Period With Solar Panels in Marbella
The solar calculator below is the only one in Spain that in 1-2 minutes can estimate your:
Expected electricity savings for the next 1-10 years
Estimated Plan EcoVivienda solar grant
Estimated IBI (property tax) reduction
Estimated personal income tax reduction
Estimated break even period
How to use the Solar Calculator
You’ll need one of your latest electricity bills to use the solar calculator.
It can be a physical or digital copy.
You will be asked for specific figures from your bill, in order to understand your expected savings. asaccurately as possible.
PLEASE NOTE: This Solar Calculator does not factor in the cost of a solar battery. If you’d like a Free Solar Survey that estimates your savings with a solar battery, heat pump, car charger or any other appliances then click here.
Solar Calculator ↓
FREQUENTLY ASKED QUESTIONS
Using the Solar Calculator
How long does the calculator take?
There are 4 steps which should take no more than 1-2 minutes to answer.
The result is generated instantly.
What do I need to use the calculator?
You need a copy of your electricity bill for your property in Spain to hand.
The Solar Calculator asks for your electricity consumption (in kWh) and bill amount (€).
This is to calculate your current electricity costs (€/kWh) and produce a break-even estimation result.
You will need a bill from the last 6 months.
What if my electricity consumption is low?
The calculator does not work for properties with an average electricity consumption under 450 kWh per month – or under roughly €90.
This is because the break-even or payback period is significantly longer.
If your consumption is lower than 450 kWh and you’d still like a savings estimation for your property then click here.
What if my property is a new-build or new home?
The Solar Calculator uses your existing electricity consumption to calculate your break even.
It will not work if you don’t have an electricity bill yet.
If you still want a savings estimation for your new property in Spain you can click here.
Do I need to give my contact information?
You need to provide an email address.
The calculator sends a result to your email for you to keep.
After completing the calculation, you have the option to request a Free Solar Survey from Marblanc.
This is optional.
If you accept, you will need to provide a telephone number.
If you decline, none of your data is retained by this website.
How accurate is the Solar Break Even Calculator?
The Solar Calculator is the most accurate solar calculator in Spain.
This is because:
- It uses localised climate data for Marbella estimate the system size you need (in kW)
- It uses recent quotes in 2024 to estimate the break-even for systems of the same size
- It provides two break-even results: based on your electricity savings alone and based on your electricity savings + government incentives factored in
- It estimates your annual savings based on your current electricity costs (€/kWh) with your current provider
- It accounts for a slight and normal decline in the output of your solar panels and an inflation rate of 1.9% over the next 10 years
