/ Solar PV

The Solar PV Experts you can rely on.

At Peter Harris Electrical Contracting Limited. we have over 10 years experience within the Solar PV industry, we have installed over 250 Solar PV systems, ranging from 1KWp to 50KWp for domestic, commercial and agricultural customers throughout Wales, Liverpool, Manchester, Birmingham and in other areas of UK.

As a company we are honest and ethical in everything we do. We keep our commitments and treat all of our customers with mutual respect and trust. Most of all we believe in good old fashion traditional values.

What to expect of Peter Harris Electrical Contracting Limited?  We promise to give everyone of our customers the best possible advice, we will only use quality products, all of our work is carried out correctly and meets all current regulations, all of our staff are trained and qualified, combine this with the highest level of customer care and support you can be confident that Peter Harris Electrical Contractor Ltd. will carry out your installation from start to finish with the up-most of professionalism.

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Photovoltaic (PV) panels are one of the best ways of generating ‘localised’ electricity for use in domestic homes and commercial premises.

PV panels are robust and designed for a life of at least 25 years and can be fitted to almost any roof or they can be ground mounted, a south facing aspect of 30 degrees being the best for electricity generation, however, they do work facing any direction and at any angle (see table below).

The solar PV panels collect the electricity during daylight; the electricity in the form of Direct Current (DC) then travels to the inverter (generally located in the loft space) which transfers the DC into Alternating Current (AC). The AC supply then feeds into the newly installed generation meter. This is your feed-in meter and it records the amount of energy produced by the solar PV system. The AC supply then feeds into your existing consumer unit and the electricity is then feed into your home or back into the national grid if there is excess.

How to access the Feed in Tariff

Your solar PV system must be designed, installed and commissioned by an MSC approved installer to be able to claim the FiTs (Wales and West Solar are). After the system is installed, commissioned and paid for you will be given an MCS installation certificate with a unique number. This number is then given to your electricity provider to register for the Feed in Tariff (FiT).

The FiTs Scheme guarantees the owner of a solar PV system a fixed price for the total amount of electricity generated from your solar PV system. The rate set for solar PV systems less than 4KWp is 15.44p per unit for every unit generated; this rate is guaranteed by law to be paid by all electricity providers for the next 25 years. Plus you generate a further 4.5P per unit from the export tariff. The FIT and Export Tariff is index linked to inflation and is tax free. Off-setting mains electricity charges that would otherwise be incurred also provides you with additional savings on your electricity bills.

*unless an export meter is fitter, the electricity providers assume you export 50%

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Current FiT rates

Current FiT rates - Click here to find out more information

  • New-build” means where installed on a new building before first occupation
  • “Retrofit” means installed on a building which is already occupied
  • “Stand-alone” means not connected to the National grid

Estimated annual return and saving for a 4KWp system installed on a South facing roof

Estimated installation cost


PV annual generation

3433 KWh

PV Annual FITS earning @ 15.44p per unit


Electricity savings ( average of 50% @14.4p/unit)


Export (50% of total production @ 4.5p/unit)


Total annual production & Saving


Approx Payback period

7/8 Years

Solar PV area


What are the Economic benefits of PV and the Feed in Tariff?

  1. Electricity prices are going to keep rising and have increased at approx 10% every year for the last decade
  2. A solar PV system will reduce your electricity bills by up to 50% or even higher in some cases
  3. Better return on your investment than any savings account, ISA or pension
  4. All green electricity generated is tax free
  5. PV payback of approx 8 years
  6. Added value to property

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