Photovoltaic solar panels often include a warranty of 20 25 years however various solar customers have made use of their solar panels long after the warrantied time has finished.
Commercial solar pv calculator uk.
Calculations include solar radiation and system losses in a central uk location due to temperature 6 6 and angular reflectance 3 1 as well as other losses e g.
Ideal for deap calculations or for commercial energy production.
The table below shows the latest feed in tariffs rates for commercial solar systems in the uk.
Size of commercial system.
Feed in tariff rate oct dec 2017.
Use the solar energy calculator for an idea as to the benefits you may see from installing a solar pv system.
This tool gives estimates based on information you provide and a number of assumptions to indicate potential benefits.
This calculates the approximate output of a system using standards set out in deap.
Energylink s commercial solar pv specialists are skilled at meeting the demands of large projects which can vary greatly from standard domestic solar systems.
This will provide ber assessors with the renewable energy production to enter into deap software to ensure compliance with part l and cpc epc requirements.
Typical returns for a well sited 4kw solar panel installation in january 2019 came in at a surprising 6 50.
Feed in tariff rate july sept 2017.
Feed in tariff rate april june 2017.
Feed in tariff rate jan march 2017.
All tariff rates are pence per kilowatt hour.
You can change the inverter cable loss and other assumptions in the calculator box above if you wish.
In fact with an average return of 4 8 over 25 years solar panels offer a return comparable to most isa and investment accounts.
Our standard assumption is medium 4kwp as this is around the average size of solar pv panels that have been installed on domestic properties.
You will be given a clear explanation of the initial costs involved as well as an accurate assessment of the projected feed in tariff payments bill savings and return on investment.
Despite a reduction in tariff rates from 41 4 p kwh in 2010 to 3 79 p kwh in january 2019 rising electricity prices are driving solar pv returns up over the last 2 years.
Typical solar electricity systems usually require 10 20m 2 of unshaded space.
Nrel s pvwatts calculator estimates the energy production and cost of energy of grid connected photovoltaic pv energy systems throughout the world.
Solar panels have an average deficiency of around 0 5 1 every year which would mean after 20 years your panels would still be over 80 efficient.
Cables inverter of 15.
This is to help you decide whether a pv system is for you.
Smaller systems are possible but less likely to be cost effective.