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LNG units can be complex because different units are used to measure natural gas in its gaseous and liquid forms. And since LNG is a...
Lease condensate (commonly called condensate or condy and sometimes called natural gasoline) is an oil-like hydrocarbon that is separated...
After natural gas is produced at the well, piping is connected to the wellhead so the gas can flow to a lease facility where it is...
Lightning arresters are important transmission and distribution system protective devices, especially in geographic areas prone to large...
A fuse is a device that provides protection to electrical circuits by melting a fusible link when current exceeding its rating flows...
Line pack is natural gas that is stored within the pipes of a gas transmission or distribution system. Line pack is used by gas system...
Liquefaction is the process of converting natural gas (methane) from a gas to a liquid by cooling the gas to a temperature of about...
Load factor is a measure of how average usage relates to peak usage. Load factor is calculated as the total usage for a given period of...
Load following, also called ramping, is a generic term for the essential grid operation of ramping supply sources up or down in response...
Load forecasting is the process of creating a forecast of the amount of gas or electric load expected on a system during a specified...
Load shedding is a form of demand response whereby loads are reduced (automatically or under the control of a power system operator) in...
Load-following resources are used to manage fluctuations in system loads over a longer time period than frequency regulation, typically...
A local distribution company, or LDC, is the gas utility that transports and distributes gas from the citygate to end users. LDCs may...
The distribution feeder design dictates how distribution feeder lines are laid out and interconnected to provide service to customers and...
The difference between the quantity of natural gas received into a gas pipeline or distribution system (including gas received from...
The main disconnect is a device installed in most electrical systems within customer facilities. Today’s electrical codes require some...
The marginal heat rate represents the assumed heat rate of the marginal unit at a specific market location given the market price of...
A master meter is a main meter installed ahead of a series of sub-meters. Master and sub-metering is common in tenant occupancies like...
Maximum allowable operating pressure, or MAOP, is the highest pressure a gas system component or section is designed to withstand and...
Also known as methanethiol, mercaptan produces the pungent smell we associate with natural gas. Because natural gas is odorless and...
