Clearsight energy is commited to helping businesses find the best rates for them.

Business Energy Guides

Our comprehensive business utility guides offer invaluable insights, empowering you to make informed decisions, optimize costs, and enhance operational efficiency effortlessly.

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  How to switch business water supplier

  Quick summary. Eight in ten UK businesses have never switched water supplier, even though the market opened to competition in 2017. Wholesale water prices are rising about 21% for 2025/26 and some regional bills are up by closer to half. This guide covers eligibility, the wholesaler-and-retailer split most articles skip, the step-by-step switch, the tenancy edge cases, and where a water audit fits alongside the switch.

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  Change of Tenancy Business Energy Guide

  Moving into new business premises? This guide covers the full change of tenancy process for your energy supply, from notifying the existing supplier to avoiding expensive deemed contract rates, plus your rights under the new REC Schedule 33 rules.

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  Business Energy Bill Explained

  Your energy bill isn’t as complicated as it looks. What every charge means, where the money goes, and where you can save.

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  MPAN Number Explained

  An MPAN is a unique identifier for your electricity supply point. What it is, how to read it, where to find it, and why you need it.

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  Energy Procurement Strategy for Business

  How your business buys energy matters. This guide covers contract types, timing, risk, and what a procurement partner actually does.

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  How to Check If You’re on a Deemed Energy Contract

  Check your latest energy bill for the tariff name. If it says “deemed”, “default”, or “standard variable”, you’re on default pricing without a fixed contract. If you moved into business premises without arranging an energy deal, you’re almost certainly on deemed rates. You can switch to a fixed contract at any time with no exit fees or notice periods.

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  Deemed Contracts

  A deemed contract is a default energy agreement that kicks in automatically when you move into business premises without arranging a supplier first. You never signed anything. You never agreed to the rates. But you’re paying them anyway, and they’re typically 80% higher than a negotiated deal. The good news is you can switch away at any time with no exit fees and no notice period.

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  What happens when a business energy contract ends

  Knowing when to renew a business energy contract helps avoid higher default rates and missed renewal windows. This guide explains the best time to review and renew a business energy contract.

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