Business Details
16 Years
experience
Solar PV & Battery Storage Installation in Reading
Established in 2010, Spirit Energy is a leading installer of solar PV and battery storage systems across southern England and the Midlands. With over 6,000 installations, we specialize in bespoke renewable energy solutions for residential and commercial clients. Our in-house team of engineers and designers leverages over a decade of technical expertise to deliver tailored systems that maximize energy efficiency and financial returns. Recognized as Tesla's 2024 Excellence Award winner and a Which?Trusted Trader, we prioritize rigorous technical standards, comprehensive project management, and post-installation support. Our commitment to innovation is evidenced by the 2016 launch of the UK's first free online solar calculator. Backed by 50+ school projects and installations for major corporations like Hansgrohe UK, we combine 165+ years of collective technical experience with a client-centric approach to energy transition.
Services
Solar PV
Battery Storage
EV Charging
Consultancy
Servicing
Residential Solar Panels
Commercial Solar PV
Homeowner Battery Storage
Solar Roof Tiles
Ground Mount Solar
Details
- Year established: 2010
Highlights and features
- We offer 100% in-house technical design and installation since 2010
- Our team includes Tesla-certified battery storage specialists
- We provide free bespoke design services with unlimited revisions
- Our technical & structural survey includes installer consultation
- We've completed 6,000+ installations including 50+ school projects
Associations and certifications
- Which? Trusted Traders
- Tesla Premium Partner
- Tesla Excellence Award 2021 & 2024
What people say
No hesitation in recommending
Seamless installation process
Superior technical design
Expert energy savings analysis
Perfect project delivery
Services
Solar PV
We design and install commercial solar PV systems ranging from 100kWp to multi-megawatt installations. Our engineering team optimises roof space and land usage while maintaining structural integrity. Projects typically achieve 20-30% return on investment through energy savings and export tariffs. Clients benefit from our in-house technical support team and 25-year performance guarantees.
Battery Storage
We offer complete battery storage solutions including Tesla Powerwall 3 and Sigenergy systems. Our engineers specialise in hybrid configurations that maximise self-consumption rates up to 80%. Systems include intelligent load management for critical loads during power cuts. Clients receive remote monitoring through dedicated apps with real-time performance analytics.
EV Charging
We install integrated EV charging solutions for residential and commercial properties. Our systems optimise solar energy use for vehicle charging while managing grid interaction. Solutions include load balancing for multiple charge points and integration with renewable energy systems. Clients receive full system commissioning and three-year warranty coverage.
Consultancy
We provide end-to-end technical consultancy from feasibility studies to system optimisation. Our team conducts detailed energy audits and financial modeling using proprietary calculation tools. Clients receive comprehensive system specifications and tender documentation. We support complex projects with structural engineering assessments and planning applications.
Servicing
We offer comprehensive maintenance packages including annual system inspections and performance optimisation. Our technicians perform inverter diagnostics and panel cleaning to maintain energy yields. Clients benefit from priority support and performance guarantees. We provide remote monitoring integration for early fault detection.
People
Vishal Giga
Operations Director
Joined Spirit Energy in 2010 as project manager, now overseeing all commercial installations. Holds 14+ years' experience in renewable energy projects, including Hansgrohe UK's 126.4kWp system implementation. Ensures timely delivery across all projects.
Justin Parsons
Head of Installations
Leads our in-house technical team since 2010. Conducts structural surveys for all projects, ensuring electrical compliance and system integrity. Specialises in complex commercial installations requiring bespoke mounting solutions and grid integration.
Mark Golding
Head of Sales & Design
Manages technical design services since 2016. Develops custom solar solutions optimising energy generation and financial returns. Provides technical guidance to clients on system integration with existing infrastructure.
Ian Charles
Managing Director
Co-founder with financial oversight since 2010. Oversees business strategy and investment in technical training programs. Maintains focus on long-term system performance and client investment returns.
Erica Charles
Director
Mathematician and co-founder specialising in photon capture efficiency. Leads technical innovation initiatives and product development. Maintains focus on engineering excellence and system design optimisation.
Questions
What renewable energy solutions do you offer?
We specialise in solar PV systems, battery storage solutions like Tesla Powerwall 3, and EV charging infrastructure for both residential and commercial properties.
Do you provide nationwide installations?
We cover southern England and the Midlands, with specialist teams handling projects from small domestic installations to large commercial systems.
How do your financing options work?
We offer Power Purchase Agreements and lease finance allowing zero upfront cost installations with guaranteed energy savings.
What makes you different from other installers?
We're Tesla's 2024 Excellence Award winner with 100% in-house technical teams and a patented online solar calculator developed in 2016.
What accreditations do you hold?
We're Which? Trusted Traders and maintain certification as Tesla Premium Partners with specialist expertise in complex system integration.
How do I get a custom system design?
Our free online solar calculator provides initial estimates, with bespoke design services available for detailed system planning and financial analysis.
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