About us

Our Team


Erica Charles

Managing Director

Erica founded Spirit Energy in 2009, excited about the benefits that renewable energy can bring in meeting our energy needs and reducing CO2 emissions. During her masters at Oxford University, she investigated mathematical solutions to using fixed mirrors to maximise concentration of the sun on solar panels. Erica has a longstanding interest in green issues, running a Low Carbon Day for over 1600 schools. She has previously worked on the trading floor of NatWest Markets and Corporate Finance at Deloitte and Touche.


Ian Charles


Ian Charles qualified as a Chartered Accountant and has a degree in Medicine from Barts Medical College (1986). He has run businesses since the age of 25, ranging from a car spares business to Primrose, which he built into the UK's largest online garden retailer. He oversees the finance at Spirit Solar Ltd, alongside offering valuable input and ideas to our other departments. There's never a dull moment when Ian's in the office!

Vishal Giga

Vishal Giga

Operations Director

Vishal joined Spirit in Jan 2010. He holds a first class degree in Architectural Technology and Design. His extensive knowledge of building construction, technical design and computer aided design techniques has enabled him to understand and tackle every type of project. He has managed hundreds of installations, from domestic PV to large non-domestic PV, battery storage, LED lighting and EV chargers. He has excellent technical knowledge and a talent for finding his way around whatever problem we throw at him.


Will Dragonetti

Head of Sales and Marketing

At Spirit, we don’t believe in pushy salesmen. We employ well-trained and knowledgeable technicians who know our products, are up to date with the regulations and can carry out technical calculations. Will prepared an awful lot of quotes and shading analysis before he was let loose and sent out to talk to potential customers about our systems and advise on the right system for their home or business.


Justin Parsons

Head of Installations

Justin joined Spirit in 2010 and now heads up our installation team. A qualified electrician, he has installed and commissioned LED lighting systems, emergency lighting systems, electric vehicle chargers, battery systems and PV systems ranging from small domestic systems to large commercial systems.


Lydia Kartono

Project Manager

Lydia joined Spirit in 2014 as an assistant project manager. The role quickly grew to cover all aspects of project management. She now manages residential installations and product purchasing.

Mark Golding

Mark Golding

Technical Sales

Mark is our LED and residential PV and battery expert. He graduated in Geology before working in the charity sector and then joining Spirit in 2016, while continuing his passion as a yoga instructor. A solar enthusiast, Mark is having Spirit install in roof panels at his new house.

Henry Day

Henry Day

Technical Analyst

Henry heads up our technical and estimating department, with expert knowledge always on hand to answer our tricky questions. Having completed a masters in Renewable Energy, he is dedicated to sustainable living, a proud advocate for low carbon transport and plant-based food.


Harminder Ari


Harminder joined Spirit in 2019 and looks after our accounts and payroll. She’s always first on the case to chase an overdue invoice and keeps our finances in impeccable shape.


George Riley

Marketing Manager

George graduated with a degree in Mathematics and has since worked in marketing, joining Spirit in May 2019. Passionate about green issues, he keeps our website and blog up to date with the latest developments in renewable technology.


Bria Cuthbert

Project Manager

A keen environmentalist, Bria studied for a degree in Zoology, before completing a masters in Ecological Surveying and continuing to pursue this interest through nature photography. As a project manager, she keeps a cool head to ensure countless systems are installed without a hitch.


Antony Prewer

Commercial Project Manager

Antony looks after the smooth running of the commercial projects and improving the team’s processes. He is a passionate advocate of energy efficiency, together with a move to a more sustainable and ethical lifestyle. After studying Environmental Science, he earned a masters in Renewable Energy from Reading University.


Caius Neale

Technical Sales

Caius earned a degree in Mechanical Engineering from Bristol University before joining Spirit in 2018 (with a small diversion to convert a van into an off-grid solar camper). Honing his expertise through creating numerous residential and commercial quotes, he has since become our in house EV charging specialist.


David Woon

Technical Engineer

David completed a distinguished academic run with masters degrees in Electronic Engineering and Renewable Energy. Working in our technical department, he specialises in residential solar. As a fitness enthusiast, he inspires our team by competing in international tennis matches and training for Ironman events.


Riz Amanullah

Project Manager

Riz joined Spirit Energy in 2020 after graduating with a degree in Information Management for Business from UCL. A natural project coordinator, he’s thrived since diving into our Solar Together London project.