How to Become a Solar Panel Installer in the UK

The UK solar PV market has experienced remarkable growth over the past decade. By 2024, the UK had over 1.4 million solar installations, and the rate of new installations is accelerating as energy costs rise and the government pushes towards its net zero 2050 target. For qualified electricians, solar panel installation represents one of the most lucrative and future-proof specialisms available.

Unlike some green technologies that require entirely new skill sets, solar PV installation builds directly on your existing electrical knowledge. The core work involves designing and installing electrical systems — something you already understand. The additional training covers the specific requirements of DC systems, inverter technology, battery storage integration, and the standards that govern renewable energy installations.

This guide covers the complete pathway from qualified electrician to solar panel installer: the prerequisites you need, the training involved, MCS certification, and the career prospects in this rapidly expanding market.

Solar PV installation is not an entry-level specialism. You must be a competent, qualified electrician before you can take a solar PV course. This is because solar installations involve working with your customer's electrical supply, consumer unit, earthing arrangements, and the grid connection — all of which require a thorough understanding of BS 7671 and safe working practices.

Mandatory qualifications

• ✓City & Guilds 2365 Level 2 and Level 3 Diplomas in Electrical Installation (or equivalent)
• ✓Current 18th Edition Wiring Regulations qualification (C&G 2382-22)
• ✓City & Guilds 2391-52 Inspection and Testing (strongly recommended for signing off installations)
• ✓Registration with a competent person scheme such as NICEIC or NAPIT for Part P self-certification

If you are a career changer who does not yet hold these qualifications, you will need to complete the full electrician training pathway first. The Level 2 and Level 3 Diplomas, 18th Edition, and Inspection and Testing collectively take around 18 to 24 months through the adult diploma route.

Once you have your core electrical qualifications in place, the pathway to becoming a solar panel installer is straightforward. The key steps are completing a recognised solar PV training course, gaining practical experience, and optionally pursuing MCS certification for your business.

Step 1: Complete your core electrical qualifications

Ensure you hold Level 2 and Level 3 diplomas, the 18th Edition, and ideally the 2391 Inspection and Testing. If your 18th Edition has expired or is from an older edition, renew it before proceeding.

Step 2: Take a recognised solar PV installation course

The solar PV course typically takes around 5 days and covers system design, component selection, installation techniques, battery storage integration, commissioning, and the relevant standards including G98/G99 grid connection requirements and MCS standards.

Step 3: Gain practical experience

After completing your course, build experience by working alongside established solar installers or by starting with smaller domestic installations. Practical experience with different roof types, mounting systems, and inverter configurations is invaluable.

Step 4: Consider MCS certification

If you want your customers to be eligible for the Smart Export Guarantee (SEG) payments, your business needs MCS certification. This is a company-level certification that requires qualified installers, insurance, and a quality management system.

A comprehensive solar PV course covers the full range of knowledge and skills needed to design, install, and commission domestic and small commercial solar PV systems. Here is what you can expect to learn:

• ✓Solar PV system components: panels, inverters, optimisers, mounting systems, and cabling
• ✓System design and sizing: calculating energy yield, panel orientation, shading analysis
• ✓Roof assessment: structural considerations, waterproofing, and safe access
• ✓DC wiring and cable routing: string sizing, connector types, and arc flash prevention
• ✓Inverter types: string inverters, microinverters, and hybrid inverters
• ✓Battery storage integration: AC-coupled and DC-coupled systems
• ✓Grid connection: G98 (up to 16A per phase) and G99 (larger systems) requirements
• ✓MCS standards and documentation requirements
• ✓Commissioning, testing, and customer handover procedures

The UK solar PV market is experiencing a sustained period of growth driven by multiple factors. Understanding the market dynamics helps you appreciate the scale of the opportunity and plan your career accordingly.

Key market statistics

• ✓Over 1.4 million solar PV systems installed in the UK by 2024
• ✓Domestic installations doubled in 2023 compared to 2022
• ✓The UK government targets 70GW of solar capacity by 2035
• ✓Average domestic system size has grown from 3kW to 4-5kW as panel efficiency improves
• ✓Battery storage installations are growing even faster, doubling year on year
• ✓Energy price rises have cut typical payback periods from 10-12 years to 6-8 years

The combination of high energy prices, falling equipment costs, government net zero commitments, and growing consumer awareness means the solar PV market is expected to continue expanding rapidly through the rest of this decade and beyond. For electricians who qualify now, the timing is excellent.

Solar PV installation is well-paid work with strong and growing demand. The combination of technical complexity, the need for qualified installers, and a market that cannot produce enough capacity creates favourable conditions for earning.

Typical earnings

• ✓Employed solar installers: 35,000 to 50,000 pounds per year depending on experience and region
• ✓Self-employed day rate: 300 to 500 pounds per day
• ✓Average domestic installation charge to customer: 5,000 to 10,000 pounds (depending on system size)
• ✓A standard 4kW domestic installation takes one to two days for a two-person team
• ✓Commercial installations command higher prices: 20,000 to 100,000 pounds or more per project
• ✓Battery storage add-ons increase project value by 3,000 to 8,000 pounds per installation

The key to maximising earnings is efficiency and reputation. Installers who can complete quality installations quickly, build relationships with equipment suppliers, and generate positive customer reviews will find themselves booked weeks or months in advance.

The Microgeneration Certification Scheme (MCS) is a company-level certification for renewable energy installers. While you can technically install solar panels without MCS certification, there are strong reasons to pursue it.

Why MCS matters

• ✓Required for customers to access the Smart Export Guarantee (SEG) — payments for exporting surplus electricity to the grid
• ✓Required for eligibility for government-backed renewable energy schemes
• ✓Widely recognised as a mark of quality by consumers
• ✓Many customers specifically seek out MCS-certified installers
• ✓Gives you a competitive advantage over non-certified competitors

MCS certification is obtained at the company level, not the individual level. The process involves demonstrating that your business has qualified installers, adequate insurance, and a quality management system. Initial certification typically costs between 1,500 and 3,000 pounds plus annual fees.

If you are already a qualified electrician with a current 18th Edition, the fastest route into solar PV installation is to complete a recognised solar PV course. At Total Skills, we run this course regularly at our Nottingham training centre, covering both solar PV and battery storage installation in a single programme.

If you are not yet qualified as an electrician but want to work towards solar PV installation, start with the Level 2 Diploma and work through the full qualification pathway. The solar specialism can be added once you have your core qualifications in place.