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A blowdown is the purposeful venting of natural gas to the atmosphere during well operations and/or during pipeline operations or...
Blowdown
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Natural gas is generally measured in one of two ways – by volume or by energy content. Gas is metered based on volume. Units typically...
Natural gas units
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Backhaul is a contractual transaction where natural gas is moved on a pipeline in the opposite direction of flow. For example, on a...
Backhaul
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The spark spread is a quantity that represents the difference between the wholesale market price of electricity and the cost of producing...
Spark spread
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Three-phase power refers to an electrical system that has three voltage or current curves. While we are used to thinking of electric...
Three-phase power
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A fuse is a device that provides protection to electrical circuits by melting a fusible link when current exceeding its rating flows...
Line and service fuse
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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...
Line pack
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Prime movers are part of the equipment that make up a compressor station. The prime mover is a device that provides the power to drive...
Natural gas compressor prime movers
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Use of generation is often divided into three categories — baseload, which is generation run all 24 hours of the day; intermediate, which...
Peaking generation
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A balancing account is an accounting mechanism used by regulated utilities to keep track of the difference between projected expenses and...
Balancing account
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Pipe is used to move natural gas from one location to another and can also be used as a form of storage. Pipe size and type vary...
Natural gas pipe
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A dispatch curve is a graph of variable operating costs for every available supply resource within a certain balancing authority area....
Dispatch curve
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Gas Scheduling provides the link between customer demand and Gas Control’s operation of the system. It is the role of Gas Scheduling to...
Gas scheduling
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Automated meter reading or AMR (also sometimes called automatic meter reading) combines the electronic capabilities of newer solid-state...
Automated meter reading (AMR)
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A VAR is a unit of measurement of reactive power. VARs occur when AC electric currents and voltage are not in phase. Current and voltage...
Volt-ampere reactive (VAR)
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Although nuclear steam turbine power plants use the same concept of heating water in a boiler to drive a steam turbine, the means by...
Nuclear steam turbine
2
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Under the vertically integrated monopoly utility model, electric generation, transmission, distribution, retail sales, and system...
