PlumbingIQ
Sign InGet Started
PlumbingIQ

Learning

DashboardFlashcardsMy Progress

Testing & Mocks

Mock Exams

Account

Upgrade to Pro

⭐ Upgrade to Pro - £19

Unlock all lessons and mock exams to pass Level 2 + Level 3 theory exams.

Upgrade now
Lesson 13 of 16

Solar PV: Working Principles & Siting

Read through the material below, then test your understanding.

Module Lessons

Environmental Technology Systems

Lesson Overview

This lesson covers the operating principles of solar photovoltaic (PV) systems, component configurations, cell types, and critical structural and orientation requirements for siting arrays in the UK.

Learning Objectives

Understand the photovoltaic effect, p-n junctions, and module string arrangements.

Compare the efficiencies and applications of monocrystalline, polycrystalline, and amorphous PV cells.

Determine optimum roof orientation, tilt angles, space requirements, and inverter siting criteria.

Unlock the full lesson & knowledge check

Get lifetime access to every Level 2 & 3 lesson, 3500+ total questions, and timed City & Guilds mock exams.

Get Pro Access (£19)

Already have Pro? Sign in

PlumbingIQ

Interactive City & Guilds Level 2 and Level 3 plumbing lessons, flashcards and mock exams, built for UK students and professionals.

© 2026 PlumbingIQ. All rights reserved.