We want you to love solar as much as we do.

“It’s always the people who make the difference! I would find it easy to recommend ZLC to anyone thinking of having SOLAR.” Mr & Mrs Geoghegan

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Our heat pump systems are designed with care and attention.

“I feel the system was specially made to work within my small cottage and that ZLC went the extra mile to work with me.” Mrs McKenna

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Solar maintenance can maximise your investment

How long would it take you to notice that your panels were under-performing due to dirt or an undetected technical issue? If your panels are under-performing, your investment is under-performing.

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We are MCS registered installers for solar PV, heat pumps and biomass. We are also Cornwall’s leading experts on energy storage.

We aim to keep our quoting transparent – no hidden costs or sales tricks, just honest pricing and service. Our design starts with you and what’s important to you.

 Whatever your priorities, it is important you choose the system that is right for both your property, your energy needs and your budget.

What our customers say

The service from ZLC Energy has been excellent throughout, with every deadline being kept without fail.

ZLC Energy were in control so we didn’t have to stress about the different stages.

Robin Freight DipCEA

Compliance Officer, St.Austell Breweries

Mark and the team guided us from start to finish to get us the right energy solution for our iconic swimming pool project. I felt safe in their hands, that they would get us the best solution.

Pat Smith

Owner, Bosinver Farm Cottages

Trewithen Dairy solar superstars

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Trewithen Dairy award winning Cornish Cream We’re delighted to see Trewithen Dairy are winners in several categories at this year’s Taste of the West Awards. Trewithen Dairy Clotted Cream 4oz GOLD Trewithen Dairy Natural Yoghurt 450g GOLD Trewithen Dairy Toffee Apple Yoghurt 450g GOLD Trewithen Dairy Salted Butter 250g SILVER We have been working with