The UK Business Energy Knowledge Centre
Clear, practical explanations of commercial electricity, gas, meters, contracts and energy bills for UK organisations.
Featured Business Energy Guides
Practical explanations of the terms, charges and processes that affect UK commercial energy customers.
What is an MPAN?
An MPAN (Meter Point Administration Number) uniquely identifies every electricity supply point in Great Britain. Understanding your MPAN is essential when switching supplier or renewing a contract.
Read GuideWhat is an MPRN?
An MPRN (Meter Point Reference Number) is the unique identifier for a gas supply point. You will need your MPRN when requesting gas quotations or changing supplier.
Read GuideBusiness Energy Standing Charges
Standing charges are a fixed daily cost applied to commercial energy bills regardless of consumption. This guide explains what they cover and how they vary between suppliers and tariffs.
Read GuideHalf-Hourly Electricity Meters
Half-hourly meters record electricity consumption in 30-minute intervals and are mandatory for larger commercial sites. This guide explains who needs one and how half-hourly billing works.
Read GuidekVA and Maximum Demand
kVA (kilovolt-amperes) measures the apparent power drawn by your site. Maximum demand charges are applied by network operators when your site exceeds agreed capacity thresholds.
Read GuideBusiness Electricity Capacity Charges
Capacity charges reflect the cost of reserving network capacity for your site. This guide explains how they are calculated and what options may be available if your agreed capacity no longer matches your needs.
Read GuideVAT on Business Energy
Most UK businesses pay VAT at 20% on commercial energy. Some organisations qualify for the reduced 5% rate. This guide outlines the general rules and directs you to HMRC for current guidance.
Read GuideClimate Change Levy
The Climate Change Levy (CCL) is a government tax applied to commercial energy use. This guide explains how it appears on business energy bills and where to find current rates from HMRC.
Read GuideFixed vs Flexible Energy Contracts
Fixed-price contracts lock in a unit rate for the contract term. Flexible contracts allow the price to move with the wholesale market. This guide compares the two approaches for UK businesses.
Read GuideUnderstanding Business Energy Bills
Commercial energy bills contain several distinct charges beyond the unit rate. This guide explains each line item so you can read and check your bills with confidence.
Read GuideBusiness Energy Letter of Authority
A Letter of Authority (LOA) gives an energy broker or consultant permission to approach suppliers on your behalf. This guide explains what an LOA covers and what to check before signing one.
Read GuideBrowse by Topic
Find guides grouped by the area of business energy you want to understand.
Meters and Supply Numbers
Understand MPANs, MPRNs, meter types, half-hourly metering and how supply point data is used in procurement.
Bills and Charges
Decode your commercial energy bill, from unit rates and standing charges to network costs and third-party levies.
Contracts and Procurement
Learn how commercial energy contracts work, what to look for at renewal and how brokers and consultants operate.
Electricity Technical Guides
Technical explanations of commercial electricity supply, capacity, demand and metering for UK businesses.
Gas Technical Guides
Practical information about commercial gas supply, metering and the factors that affect business gas costs.
Taxes and Levies
Understand the government taxes and levies that appear on commercial energy bills, including VAT and the Climate Change Levy.
Switching and Renewals
Guidance on when and how to compare commercial energy contracts, avoid auto-rollover and manage the switching process.
Why Understanding Business Energy Matters
Commercial energy is one of the most significant operating costs for UK businesses. Understanding how it works puts you in a stronger position when it comes to procurement.
Read Your Bills with Confidence
Commercial energy bills contain multiple distinct charges — unit rates, standing charges, network costs, taxes and levies. Understanding each line item helps you check bills for accuracy and identify any unexpected charges.
Know Your Contract Position
Understanding your contract end date, notice period and renewal terms is essential to avoid being rolled onto out-of-contract rates. Many businesses pay significantly more than necessary simply because they miss the renewal window.
Provide Accurate Information
When approaching the market for quotations, accurate consumption data, meter reference numbers and contract details allow suppliers to provide meaningful comparisons. Incomplete information leads to indicative quotes that may not reflect the actual contract offered.
Understand What You Are Agreeing To
Commercial energy contracts contain terms that differ significantly from domestic tariffs. Understanding the key provisions — including contract length, pricing structure, termination rights and auto-renewal clauses — helps you make informed decisions.
Identify the Right Questions to Ask
Knowing the terminology used in commercial energy procurement — from half-hourly metering to Letters of Authority — helps you ask the right questions when working with a broker, consultant or supplier directly.
Manage Multi-Site Portfolios Effectively
Businesses with multiple sites or supply points benefit from understanding how each meter, contract and renewal date fits into the broader portfolio. A clear overview of your energy position is the foundation of effective procurement.
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Learn moreUnderstand what affects commercial electricity unit rates and standing charges.
Learn moreExplore the factors that influence business gas prices and contract options.
Learn moreRequest a free, no-obligation business energy quote from our specialist team.
Learn moreFind out when to start your renewal and how to avoid costly auto-rollover rates.
Learn moreReview the UK commercial energy suppliers on our panel.
Learn moreSector-specific energy guidance for restaurants, hotels, manufacturing, retail and more.
Learn moreFrequently Asked Questions
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