About Ceiba Renewables

Affordable Renewable Energy Solutions for Your Home and Your Business

At Ceiba Renewables, we make renewable energy simple and affordable. From solar panels to EV chargers, we provide everything you need to save money and reduce your carbon footprint. As a SunPower Premier Partner, Tesla Energy Certified Installer, and Which? Trusted Trader, we deliver solutions you can rely on

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A Bright Past, A Brighter Future

Ceiba Renewables was founded in 2008 with a clear purpose: to make a meaningful, lasting contribution to the environment and society through clean, reliable energy systems. That mission still powers everything we do today – delivering systems that last longer, perform better, and save you more.

For us, clean energy should be genuinely sustainable — in performance, impact, and legacy. Plus, we’re proud to offer competitive pricing without compromising on our values.

At Ceiba, we’re not just installing solar. We’re building a brighter tomorrow, one system at a time.

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Tailored Solutions for Every Home and Business

We serve a broad range of clients, tailored to their unique needs:

Residential

Save money and reduce your carbon footprint with our custom solar and battery systems.

Commercial

Boost your business’s green credentials and cut overheads with tailored solar solutions.

Developments & New Builds

Consultancy, design, implementation, and project coordination, futureproofing your property with solar-ready EV infrastructure.

Heritage & Rural Sites

Sensitive installation, preserving historical aesthetics while enjoying modern, clean energy.

Our geographic reach covers all major regions of Scotland – from Glasgow, Ayrshire, Lanarkshire, and Argyll & Bute to Edinburgh, Aberdeenshire, Perthshire, Stirlingshire, The Borders – and beyond.

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Our Strategy

At Ceiba, our strategy embraces quality over scale:

Excellence in Design & Installation

We utilise the robust technology and best-in-class practices to deliver systems that perform—and last.

Client-First Philosophy

Focused on transparency, tailored solutions, and quality service – reflected in our high customer ratings and Which? Trusted Trader endorsement.

Sustainable, Organic Growth

We prioritise customer transparency and tailored solutions to you, proudly earning our high customer ratings.

Environmental Impact

For every installation we complete, we donate to Tree Nation and Trees for Life, reinforcing our commitment to carbon offset and habitat restoration

The Experts Behind Ceiba Renewables

Duncan Crosthwaite

CEO & Managing Director

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Founder and owner of Ceiba Renewables since 2008, Duncan has a wealth of experience in installing renewable technologies. Duncan’s focus is to develop a company that has a positive impact on the environment and society through renewable technology.

William Nicol

Operations Manager

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Having spent most of his career managing operations for fossil fuel distributors, William joined Ceiba in June 2024 needing to recover his karma by switching to renewable energy management. William brings a wealth of operational, logistical and financial management experience which is used to ensure Ceiba’s customers receive the best quality products at the best possible price, delivering seamless installations in the quickest of timescales. In his spare time, he enjoys roller coasters, watching German football (Heja BVB!) and listening to obscure Indie bands from days gone by.

Simon Young

Engineering Manager

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Simon brings 30 years’ experience as a Royal Navy submarine engineer to the team. He is a renewable energy and EV enthusiast and a drone pilot among his many talents.

Bergmann Purba

Solar PV Panels Consultant at Ceiba Renewables Ltd

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With a background in renewable energy engineering, Bergmann brings solid experience in solar system design, along with strong attention to detail and a commitment to delivering the best possible results for customers. He’s known for his love of spicy food and when he’s not focused on solar designs, you’ll likely find him on the tennis or badminton court, enjoying a good game and chasing the perfect rally.

Gayathri Sankeerthana Singaram

Customer Success Manager

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Gayathri is the Customer Success Manager at Ceiba Renewables with a background in Renewable Energy and Asset Management. Customers value her ability to listen, collaborate and deliver solutions that truly work for them. Her energy and enthusiasm are matched only by her curiosity – whether she’s tackling a complex technical challenge or learning a brand-new skill, Gayathri approaches with the determination to go the extra mile. In her free time, she loves dancing and trying out new dance forms – sometimes with more rhythm than grace.

Grant Thomson

Renewable Energy Lead

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As Sales lead I am the connection point between people and cleaner energy. With a customer-first mindset I ensure each client gets a solution that fits their needs and budget. I love a fitness challenge and in my free time you’ll find me in the mountains or running Ultra Marathons. Not only did I run the West Highland Way Race in 2024 I have the unenviable record of being the slowest ever to complete the event in a painful 34h 56m.

Be Part of Scotland’s Renewable Revolution

Join our great team at Ceiba to make Scotland’s homeowners and businesses more sustainable, bringing a greener and better future for generations to come.

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Start Saving with Solar Today!

Book a free consultation to see how Ceiba can help you save money and reduce your carbon footprint.

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