Solar PV Calculator 2017

Below is our easy to use solar calculator which allows you to see the savings and income you will make by installing solar panels at your property in the UK. Using Google maps, the solar pv calculator will work out your home's solar energy producing capability.

Our calculator is kept up to date with the latest Feed-in Tariff rates which combined with our location features, gives you the most accurate results available. Simply follow the instructions below to calculate your estimated:

  • Electricity savings
  • Earnings from the Feed-in Tariff
  • Revenue from exported electricity
  • Profit over 20 years


Solar Panel Calculator:

What Should I Do With The Results?

We hope that calculating the income and savings you could make from solar panels has convinced you to seriously consider installing solar panels to your property. Now you know what size solar panel system is most appropriate for your home and the profit you will make over 20 years, you can make an informed decision about whether you wish to start looking for solar installation quotes.

If you decide solar panels are right for you, you can join the thousands of homeowners who have used The Eco Experts to compare solar panel quotes from local and national installers. Simply fill out this short form to receive quotes from MCS-accredited suppliers.

Once you have received your quotes, you should arrange to speak to the companies about the results shown in our calculator; they will be in the best position to let you know the likely savings and income you will generate after viewing your property.


Tips For Getting The Most Out Of Our Calculator

Ensuring the details you give in the calculator are as accurate as possible will give you the most reliable results possible. Unlike other solar pv calculators, our calculator uses the latest feed-in tariff figures as well as your home's location and roof direction to give you the most accurate results available on the internet. We recommend trying different sizes of solar panels in the calculator to work out which size will give you the best return on investment.


Compare Solar Panel Prices in Your Area


FAQs About Our Solar PV Calculator

Why does installing solar panels reduce my electricity bills?

Solar PV panels transform energy found in daylight into electricity.You can use the electricity generated by your solar panels to power your own home, which will help you reduce your energy bills and dependency on energy from the grid. Click here to learn more.

What is the Feed-in Tariff?

To encourage the production of renewable energy, the UK Government introduced the Feed-in Tariff. The scheme guarantees cash payments to households that produce their own renewable energy.

The Government will pay you a set amount for every kW of electricity you produce. You will also be paid for any energy that you do not use. Click here to learn more

What is exported energy?

When you produce electricity that you do not need to power your home’s energy demand, you will earn extra cash for exporting this electricity back to the grid. Don’t worry the system does this automatically.

Are The Results Accurate?

Whilst the results from our solar calculator will give you a good indication of the likely savings and income you can generate, they should be used as a guide only. Try to give factual information about your property as this will make the results more accurate. Always speak to your chosen installation company about your property’s likely income from installing solar panels as well as the installation costs.

How do I calculate optimum pitch angle for solar panels?

As you would expect, solar panels work best and produce the greatest amount of energy when they are aligned directly with the sun. The sun changes position in the sky depending upon the time of day and the season. You can calculate what angle your panels should be pitched at to receive the optimum amount of sun in a fixed position.

The best angle for you to install solar PV panels at depends when you want your system to be functioning at its best. If it;s in the winter you would set the angle to reflect the height of the sun in the winter; if it’s during the summer you would angle them to reflect the height of the sun in the summer.

The maximum amount of radiation from the sun hits the earth at solar noon. Solar noon is the exact mid-point between sunrise and sunset.This is the point when solar panels will be able to generate the maximum amount of energy. At solar noon in the Northern hemisphere the sun is due south which is why solar panels are installed on a south facing roof or wall. There are online calculators which show the optimum tilt for solar panels in the UK to take advantage of solar noon.

In London for instance it varies from twenty two degrees off vertical in January to sixty two degrees in June. The figures are different for different locations across the UK.


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