S

Serial number

The manufacturer’s number stamped on each meter.

Service Industry Code (SIC)

Refers to the standard classification code for identifying the type of business conducted at a specific supply site.

Shipper

Gas Shippers buy gas directly from producers or importers and contract with Gas Transporters to transport it through the Network.

Site

The specific geographical location at which energy is supplied to, and later consumed by, an energy customer.

Small Site Peak Daily Demand

The Small Site Peak Daily Demand is calculated using the sum of consumption for all small sites.

SME

Small and medium-size enterprise.

SMP Buy

System Marginal Price (SMP) Buy is the highest price that gas was traded (buy or sell) by National Grid in its Network Code balancing role for delivery that gas day. An energy trading term.

SMP Sell

System Marginal Price Sell which is the lowest price that gas was traded (buy or sell) by National Grid in its Network Code for delivery that gas day.

Smart Meters

Smart meters provide customers and energy suppliers with accurate information on the amount of electricity and gas being used. Frequent capture of energy consumption data can be used to analyse energy performance, compare energy usage patterns and predict future business needs via an online management tool.

Supplier

An organisation licensed to supply gas or electricity to consumers.

Supply Hourly Quantity (SHQ)

Supply Hourly Quantity refers to the maximum hourly consumption of a given supply point.

Supply Offtake Quantity (SOQ)

Supply Off-take Quantity (SOQ) equates to the maximum daily consumption of a given supply point.

Supply Point Address

This is the address at which the Supply Point is registered.