Homeowners harnesspower of solar panels

The last 12 months have seen a massive increase in the number of North East homes being fitted with solar panels. But as Government subsidies are slashed by more than half, Equinox Energy’s PAUL MILLS says it’s more important than ever to make sure you pick the right people to add green energy to your home

THE last 12 months have been an exciting time for Equinox Energy. Over the next year the company’s customers will make more than 54 megawatt hours of clean, renewable electricity.

“That’s enough for almost 40,000 loads of washing and will generate almost 25,000 in income for those households,” said Paul Mills.

“But my major concern remains for people who may not be getting a good service from their installers.

“I recently witnessed a team carrying out a large installation on a house in a single day.

“The team drilled straight through the roof slates to erect the photovoltaic (PV) mounting structure and then sealed the holes with silicone.

“The advantage for the installer is that this takes a shorter amount of time. But this is not allowed under the Microgeneration Certification Scheme (MCS) guidelines because over time the silicone will degrade and water may well enter the roof, directly into the timbers.

“My worry is that the householder could face unexpected large bills in the future if they have to repair or replace the roof structure.”

The Microgeneration Certification Scheme sets a range of minimum standards accredited installers must follow, with work inspected annually.

The MCS’s main guide to PV installation states “in all circumstances the building’s weather tightness must be maintained”.

Holes drilled through roofing felt or roof tiles and slates, sealed with mastic or silicone sealant, are not considered durable.

Mr Mills said to reassure customers that Equinox does not breach the rules, he sits down with each one to fully explain the work.

“Customers cannot be expected to have detailed knowledge of PV installation techniques,” he said.

“I take the time to explain to all our customers how the system will be installed and how I will ensure that their roof is at least as watertight as before I start the installation.

“I also explain how Equinox Energy only uses the highest quality components to ensure that our installations are constructed from the best materials available.

“None of the work of Equinox Energy is sub-contracted apart from erection of scaffolding. That way we have complete control of the quality of the installation from the selection of components and electrical and roofing work, to the production of the warranty pack.”

The REC panels used by Equinox Energy have just come top in the Photon 2012 test, an independent survey of electricity production by 45 different types of PV panels.

On average REC modules produced 6% more power than its nearest rival – which over the lifespan of the panels would make a significant difference to the return on the investment.

When it comes to PV installations – as in most things – Mr Mills said you really do get what you pay for.