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What we do
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UK electricity and gas systems
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US electricity system
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UK system
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US system
Key facts
Over 20 million meters across Great Britain
Capacity to supply 4% of current gas demand
1,500 buildings managed
Our businesses comprise: National Grid Metering, OnStream, National Grid Grain LNG and National Grid Property. Metering provides regulated gas metering and meter-reading services while OnStream provides gas and electricity metering and meter-reading services to the competitive market. Grain LNG operates our liquefied natural gas importation terminal. Property manages a portfolio of buildings and land areas across Great Britain.