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KW meaning

Published by a LexisNexis Energy expert
What does KW mean?
kW (kilowatt) is used in legal practice to describe electrical power or capacity, for example the rated output of generation plant, permitted export capacity, or a customer’s maximum demand in electricity supply contracts, grid connection offers, power purchase agreements, and planning or licensing materials. It is an SI (scientific) unit used descriptively across legislation and industry documents in England & Wales, Scotland, Northern Ireland and Ireland; usage is broadly consistent and ordinarily not separately defined in statute or case law. 1 kW equals 1,000 watts (W) and 0.001 megawatts (MW). It measures instantaneous power, not energy. Energy for billing or performance purposes is measured in kWh (kilowatt hours). When drafting or interpreting kW figures, specify: - whether the figure is installed/rated capacity, maximum export/import capacity, or demand/load; - whether it is AC or DC, and, if relevant, per phase or aggregate; - the measurement basis (nameplate, continuous or peak). Regulatory and contractual thresholds (for example in grid connection standards, licensing exemptions or tariff bandings) are often expressed in kW or MW. The correct symbol is kW (lower-case k, upper-case W); “KW” appears in some documents but is not SI standard.
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PRACTICE NOTES
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PRACTICE NOTES
CMA Article 101/Chapter I cartel and information-exchange decisions on galvanised steel water tanks (CE/9691/12, 2016): settlements, £2.7m fines, criminal prosecution; Balmoral v CMA appeal

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PRACTICE NOTES
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