Blog
Practical guides to UK business electricity: what drives the bill, what the rules require, and what half-hourly data can show.
- Energy costs
- Compliance
- Power quality
Energy costs
Agreed capacity: are you paying for kVA you never use?
How agreed capacity (MIC) is charged on UK half-hourly sites, what happens if you exceed it, and how to decide whether to reduce it using 12 months of kVA data.
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Energy costs
How to check a half-hourly electricity bill, line by line
What each line on a UK half-hourly business electricity bill means, the errors worth checking for, and the evidence you need to dispute a charge.
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Energy costs
DUoS red, amber and green bands: why timing affects your bill
How DUoS red, amber and green time bands work on UK half-hourly bills, why they differ by DNO, and how to find load you could move out of the red band.
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Compliance
ESOS Phase 4: what the timeline means for your energy data
ESOS Phase 4 qualification is 31 December 2026 and notifications are due 5 December 2027. What the rules ask of your energy data, and why metering comes first.
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Power quality
Reactive power charges on UK electricity bills: a practical guide
How the DUoS excess reactive power charge works for half-hourly metered sites, what it realistically costs, and when power factor correction pays back.