Knowledge Centre
Expert resources to help businesses understand, evaluate, and invest in Solar.
What would you like to explore?
Solar Academy
Learn how commercial Solar works, from Installation to ROI
Groundmount Academy
Learn about groundmount solar, from feasibility to installation and performance.
Carport academy
Learn about commercial solar carports, from design to installation.
Finance Academy
Helping Finance Directors build robust commercial Solar Investment Cases
The UK's Knowledge Centre for Commercial Solar, Solar Canopies, Ground Mounted Solar & Commercial Solar Finance
Investing in commercial solar is one of the most important infrastructure decisions a business can make. Whether you are looking to reduce operating costs, improve energy resilience, meet ESG objectives or protect your organisation against rising electricity prices, understanding the technical and financial aspects of commercial solar is essential.
The Energy Gain Knowledge Centre has been developed to help businesses make informed investment decisions with confidence. Drawing on more than 18 years of Engineering, Procurement and Construction (EPC) experience, our Academy provides practical guidance covering commercial rooftop solar, commercial solar canopies, ground mounted solar and commercial solar finance.
Unlike many online resources that focus solely on selling products, our Academy has been written to educate decision-makers. Every lesson is based on real commercial projects delivered throughout the UK and combines engineering expertise, financial modelling and practical project delivery to help organisations understand not only the benefits of commercial solar, but how successful projects are planned, engineered, financed, constructed and maintained.
Whether you are evaluating your first commercial solar installation or developing a long-term renewable energy strategy across multiple sites, our Academy provides the knowledge needed to prepare robust business cases, compare investment options and select the right commercial solar EPC contractor.
Why Use the Commercial Solar Academy?
Commercial solar projects involve far more than installing solar panels. Every successful project requires careful consideration of electricity demand, engineering design, financial performance, planning, grid connection and long-term asset management.
Our Academy has been developed to explain the complete project lifecycle in a clear, practical and commercially focused way.
Throughout the Academy you’ll learn:
- How commercial solar systems generate electricity.
- The differences between rooftop solar, ground mounted solar and commercial solar canopies.
- How to assess whether your building or land is suitable.
- How commercial solar projects are designed and engineered.
- How to prepare a robust financial business case.
- Understanding payback, cash flow, NPV, IRR and Levelised Cost of Energy (LCOE).
- Commercial solar funding options.
- The Engineering, Procurement and Construction (EPC) process.
- Construction planning and project delivery.
- Grid connection and Distribution Network Operator (DNO) requirements.
- Operations, maintenance and long-term asset optimisation.
Every lesson has been written to help organisations make informed decisions using practical engineering knowledge rather than marketing claims.
Explore the Knowledge Centre
Commercial Rooftop Solar Academy
Discover how commercial rooftop solar enables businesses to generate renewable electricity using existing buildings while reducing operating costs and improving long-term financial performance.
The Commercial Rooftop Solar Academy covers every stage of investing in commercial rooftop solar, including system design, project costs, financial returns, funding options and the complete installation process.
Lessons
- How Commercial Solar Works
- Understanding Commercial Solar Costs
- Understanding Return on Investment (ROI)
- Funding Commercial Solar
- The Commercial Solar Installation Process
Ideal for:
Manufacturers • Warehouses • Distribution Centres • Commercial Property Owners • Offices • Retail Premises • Schools • Healthcare Facilities
Commercial Ground Mounted Solar Academy
Commercial ground mounted solar provides organisations with available land the opportunity to generate low-cost renewable electricity at scale while reducing reliance on imported energy.
This Academy explains how ground mounted solar projects progress from feasibility studies through to engineering, construction and long-term performance optimisation.
Lessons
- What is Commercial Ground Mounted Solar?
- Is Your Site Suitable?
- Building the Financial Business Case
- Engineering, Construction & Grid Connection
- Operations, Maintenance & Performance Optimisation
Ideal for:
Manufacturers • Distribution Centres • Industrial Estates • Water Companies • Airports • Universities • Large Commercial Sites
Commercial Solar Canopy Academy
Commercial solar canopies transform existing car parks into productive renewable energy assets while providing covered parking and future-ready EV charging infrastructure.
This Academy explains how commercial solar canopies are assessed, engineered, financed, constructed and commissioned.
Lessons
- What Are Commercial Solar Canopies?
- Is Your Site Suitable for a Commercial Solar Canopy?
- Building the Financial Business Case
- Pre-Construction Planning
- Construction & Installation
- Commissioning, Testing & Handover
Ideal for:
Retail Parks • Hospitals • Universities • Leisure Centres • Local Authorities • Automotive Dealerships • Commercial Property Portfolios
Commercial Solar Finance Academy
Developing a successful commercial solar project starts with a robust financial business case.
The Commercial Solar Finance Hub has been created specifically for Finance Directors, Managing Directors and business owners responsible for evaluating capital investment decisions.
Our finance resources explain how commercial solar projects are assessed using recognised financial appraisal techniques while providing practical guidance to support Board approval.
Resources
- Finance Director’s Commercial Solar Guide
- Board Level Business Case Example
- Commercial Solar Investment Checklist
Who Is the Knowledge Centre For?
The Commercial Solar Academy has been developed for organisations looking to make informed renewable energy investment decisions.
Typical users include:
- Finance Directors
- Managing Directors
- Business Owners
- Property Directors
- Facilities Managers
- Estates Managers
- Energy Managers
- Sustainability Managers
- Procurement Teams
- Commercial Property Investors
- Developers
Whether you are evaluating a single commercial solar installation or developing a portfolio-wide energy strategy, the Academy provides practical knowledge to support every stage of the decision-making process.
Why Learn with Energy Gain?
Energy Gain is one of the UK’s leading commercial solar Engineering, Procurement and Construction (EPC) contractors, specialising in commercial rooftop solar, commercial solar canopies and ground mounted solar installations.
Since 2008, we have successfully delivered renewable energy projects for manufacturers, logistics operators, automotive dealerships, healthcare providers, educational institutions, commercial property owners and public sector organisations throughout the UK.
Every project begins with understanding how a business consumes electricity. By combining half-hourly electricity analysis, advanced engineering, conservative financial modelling and experienced project delivery, we develop commercial solar solutions that balance technical performance with long-term financial return.
Our turnkey EPC service includes:
- Commercial Solar Feasibility Studies
- Energy Profiling & Financial Modelling
- Engineering Design
- Structural & Civil Engineering
- DNO Applications & Grid Connection
- Procurement
- Construction & Installation
- Commissioning
- Remote Monitoring
- Operations & Maintenance
This integrated approach provides clients with a single point of responsibility throughout the entire project lifecycle, reducing risk while ensuring every installation is engineered to maximise long-term value.
Begin Your Learning Journey
Whether you are researching commercial solar for the first time, preparing a Board-level investment paper or appointing a commercial solar EPC contractor, the Energy Gain Commercial Solar Academy has been designed to help you make informed decisions with confidence.
Explore our specialist Academies and discover how commercial solar can reduce operating costs, improve energy resilience and create long-term business assets that continue delivering value for decades.
What would you like to explore?
Solar Academy
Learn how commercial Solar works, from Installation to ROI
Groundmount Academy
Learn about groundmount solar, from feasibility to installation and performance.
Carport academy
Learn about commercial solar carports, from design to installation.
Finance Academy
Helping Finance Directors build robust commercial Solar Investment Cases