With energy prices continuing to challenge UK businesses, energy efficiency is no longer a nice-to-have—it’s a must. Thankfully, in 2025, the UK government continues to support commercial properties through a range of grants and funding schemes that make sustainable upgrades more affordable than ever.
In this blog, Scalex Technology breaks down the top energy-efficiency grants available in 2025, who’s eligible, and how to apply.
💡 Why Energy-Efficient Upgrades Matter
Upgrading to energy-efficient systems such as LED lighting, smart HVAC, solar panels, or insulation not only cuts energy bills but also:
- Reduces your carbon footprint
- Enhances your ESG credentials
- Improves building comfort and safety
- Future-proofs your business against rising energy costs
✅ Top Government Grants in 2025
1. Industrial Energy Transformation Fund (IETF) – Phase 3
Who it’s for: Large energy-intensive businesses in manufacturing and industrial sectors
Funding available: Up to £5 million per project
Covers:
- Process efficiency technologies
- Low-carbon heating
- On-site renewable energy
Status: Open for applications in Q2 2025
2. Boiler Upgrade Scheme (BUS)
Who it’s for: Small businesses and non-domestic buildings
Funding available:
- £7,500 for air source heat pumps
- £6,000 for ground source heat pumps
Covers: Replacement of traditional fossil fuel systems
Valid until: March 2026
3. The Great British Insulation Scheme (formerly ECO+)
Who it’s for: SMEs, low-income commercial properties, and public sector buildings
Funding available: Partial or full funding for insulation
Covers:
- Cavity wall insulation
- Loft insulation
- Smart heating controls
4. Smart Export Guarantee (SEG)
Who it’s for: Businesses that generate electricity via solar, wind, or hydro
Funding: Ongoing payments from energy suppliers for surplus energy exported to the grid
Note: Requires MCS-certified installations
5. Salix Finance Loans (Public Sector)
Who it’s for: Public sector bodies (schools, councils, NHS)
Funding available: Interest-free loans
Covers: Over 100 types of energy-saving technologies
Special Feature: Pay-as-you-save model with ROI required
🏢 Are These Grants Right for Your Business?
If you:
- Operate a commercial or industrial site
- Want to cut long-term energy costs
- Need help affording up-front upgrade costs
- Want to support the UK’s Net Zero goals
Then yes, these grants could be a perfect fit. Some even apply to multi-site operations or shared buildings.
📑 How to Apply for an Energy-Efficiency Grant
- Energy Audit: Start with a professional audit (Scalex Technology can help).
- Identify Opportunities: Match your upgrade needs with eligible schemes.
- Apply Through Approved Channels: Applications often require technical assessments and business credentials.
- Implement and Monitor: Once approved, install your upgrades and begin saving.
🤝 How Scalex Technology Can Help
We provide:
- Energy audits and carbon reporting
- Connections to trusted installers
- Support in identifying eligible grants
- Guidance through the application process
- Ongoing energy management after upgrades
🌍 Final Thoughts
Government grants in 2025 make it easier than ever for UK businesses to invest in sustainable energy solutions. Whether you’re installing a heat pump, upgrading your insulation, or switching to renewables, the return on investment can be immediate and long-lasting.
📞 Ready to Apply for a Grant?
Speak to Scalex Technology today and let our energy experts help you unlock funding and reduce your energy bills.
