Glossary by "H"
Changes to the voltage waveform in an alternating current (AC) system, from a simple sinusoidal waveform to a complex waveform. Harmonic distortion can cause overheating of and damage to electrical equipment and suboptimal performance of electricty-using equipment.Source: ESA Technical Working Group
A measure of thermal generation conversion efficiency expressed as the amount of fuel (energy) input for a given electric energy output. Typically heat rate is expressed as the number of BTUs of fuel input per kWh of output (energy).Source: ESA Technical Working Group
Host balancing authority
1. A Balancing Authority that confirms and implements Interchange Transactions for a Purchasing Selling Entity that operates generation or serves customers directly within the Balancing Authority
The electric power futures market that is established one-hour before delivery to end-user customers.
Hour-ahead priceSee: Hour-ahead market
Price for electricity in an hour-ahead market.Source: ESA Technical Working Group
Any chemical compound comprised of hydrogen and carbon. Familiar examples include elements of wood, petroleum, coal, natural gas and propane.Source: ESA Technical Working Group
The process using flowing water to turn turbines to generate electric power.