Related Clues:

• Fly keeping close to trail from light source
• Notes right relating to The Sun
• To some extent very large and sunny
• Word with "energy" or "flare"
• Eco-friendly energy option
• Word before battery or power
• Word before cell or system
• Green power
• Powered by sunlight
• Energy collected by panels
• Given power by The Sun?
• Type of clean energy
• Those at the forefront of satire often laugh at readers of The Sun
• Renewable energy option
• Eco-friendly energy type