Business Energy Help & Guidance

Practical guides and resources to help UK businesses understand their energy, meters and costs.

Whether you need to locate your meter details, understand a charge on your bill, or find out what your rights are as a business energy customer, the guides below have you covered. If you have a specific question not answered here, contact our team directly.

Metering & Bills

Find your meter reference numbers and understand your charges.

MPAN Numbers – What is an MPAN number, where to find it on your electricity bill, and why it matters.

MPRN Number – What is an MPRN number and how to locate your gas supply point identifier.

Climate Change Levy Rates – Current CCL rates for gas and electricity, updated each April with HMRC figures.

Business Types Explained

Know your status and the protections that apply to your business.

Micro Business – What qualifies as a micro business under energy regulations and what protections apply.

Small Business – Energy rights and switching rules for small business customers.

Green Energy – Understanding green tariffs, REGOs, and what genuinely renewable energy looks like.

Energy Glossary & Terms

Plain-English explanations of energy industry terminology.

Energy Glossary – An A, Z guide to energy industry terms, from AMR metering to wholesale markets.

Working With Catalyst

Partnerships, careers and how to raise a concern.

TPI Code of Practice – Our commitment to transparent pricing and ethical conduct as a Third Party Intermediary.

Energy Partnerships – Referral and white-label partnership opportunities with Catalyst.

Job Board – Current vacancies and career opportunities at Catalyst.

Complaints Procedure – How to raise a concern and what to expect from our resolution process.

Still have a question? Get in touch with our team – we’re happy to help.