Solar Energy Blog

Latest news, guides, and insights on renewable energy, solar panels, and energy savings.

What Are Ground Mounted Solar Panels?
Solar Energy 7 min read

What Are Ground Mounted Solar Panels?

Learn about ground mounted solar panels — how they work, benefits vs rooftop systems, costs, space requirements, and whether they're right for your property.

10 March 2026

Solar Energy 8 min read

How Much Electricity Does a Solar Panel Produce in the UK?

Find out how much electricity a solar panel produces in the UK. Covers panel wattage, system sizes, roof direction, and real-world kWh output for 2kW to 5kW systems.

10 March 2026

Solar Energy 9 min read

What Are Monocrystalline Solar Panels?

Learn about monocrystalline solar panels — how they work, efficiency rates, how they compare to polycrystalline and thin film, top brands in 2026, and whether they're right for your home.

10 March 2026

Solar Energy 10 min read

Solar Inverters: What They Are and How They Work

Learn how solar inverters work, the different types including string, micro, and hybrid inverters, and how to choose the right inverter for your solar panel system.

10 March 2026

Grants & Funding 8 min read

Warm Homes Grant – Free Energy Improvements for Your Home

Learn about the Warm Homes Local Grant scheme — eligibility, what improvements are covered, how to apply, and how CRG Direct can help with solar panels and heat pumps.

10 March 2026

Can You Use a Solar Battery Without Solar Panels?
Battery Storage 5 min read

Can You Use a Solar Battery Without Solar Panels?

Yes — you can use a solar battery without installing solar panels. Learn how battery-only systems work with off-peak tariffs, who they suit, and whether they're worth it.

6 March 2026

Flat Roof Solar Panels: Can You Install Solar on a Flat Roof?
Solar Installation 8 min read

Flat Roof Solar Panels: Can You Install Solar on a Flat Roof?

Solar panels can absolutely be installed on flat roofs. Learn about mounting systems, optimal angles, costs, planning permission, and whether flat roof solar is worth it.

6 March 2026

How Much Electricity Does a 4kW Solar System Produce? (UK Guide 2026)
Solar Panels 8 min read

How Much Electricity Does a 4kW Solar System Produce? (UK Guide 2026)

A 4kW solar system in the UK typically produces 3,400–4,200 kWh per year. Learn about output by region, month, savings potential, and how to maximise your solar power.

6 March 2026

Solar Panel Output by Month in the UK: How Much Energy Do They Produce for Your Home?
Solar Panels 10 min read

Solar Panel Output by Month in the UK: How Much Energy Do They Produce for Your Home?

Detailed breakdown of solar panel output by day, month, and square metre in the UK. Real-world figures for 4kW systems, seasonal variation, and tips to maximise generation.

6 March 2026

Solar Energy 10 min read

4kW Solar Systems in the UK (2026)

Everything you need to know about 4kW solar panel systems: output by region and month, number of panels needed, savings, SEG earnings, and tips for maximising efficiency.

25 February 2026

Solar Energy 12 min read

How Much Can Solar Panels Save? Real Customer Results

Six real CRG Direct customer case studies with actual energy bills, usage data, and verified savings from £470 to £1,820 per year.

25 February 2026

Solar panel costs in the UK: 2026 prices
Solar Energy 12 min read

Solar panel costs in the UK: 2026 prices

How much does it cost to install solar panels in 2026? Realistic UK prices from £5,000 to £12,000 depending on system size and battery storage.

25 February 2026

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