Kilowatt hour
Term · Environment · MLC-T-ENV-015162
1. A kilowatt hour is a metric unit of energy most often used to measure electricity use.
2. A unit of work or energy equal to that expended by one kilowatt in one hour or to 3.6 million joules. A unit of work or energy equal to that expended by one kilowatt in one hour (1.341 horsepower-hours).
1. A unit for measuring the use of electricity. The cost of an electric bill depends on how many kilowatt-hours the customer used. A microwave or toaster running for an hour will use about 1 kilowatt-hour.
2. A kilowatt-hour (kWh) is a standard metric unit of measurement for electricity. (1) One kilowatt-hour (kW) is equal to 1,000 watt-hours (Wh). (2) A watt-hour is the amount of energy delivered at a rate of one watt (W) for a period of one hour. (3) One watt is the amount of power rate of one joule of work per second of time. (4) Example: A 100 watt light bulb in use for 10 hours uses 1000 watt-hours, or 1 kilowatt of electricity. (100 watts x 10 hours = 1000 watt-hours = 1 kWh)
| Identifier | MLC-T-ENV-015162 |
|---|---|
| Field | Environment |
| Subject | Sustainability and green living; Climate change |
| Abbreviation | kWh |
| References | Heat Island Effect Glossary; AgSTAR Handbook Glossary; Student's Guide to Global Climate Change; Green Power Markets Glossary |
Record as JSON
{
"id": "MLC-T-ENV-015162",
"term": "Kilowatt hour",
"field": "Environment",
"definitions": [
"1. A kilowatt hour is a metric unit of energy most often used to measure electricity use.\n\n2. A unit of work or energy equal to that expended by one kilowatt in one hour or to 3.6 million joules. A unit of work or energy equal to that expended by one kilowatt in one hour (1.341 horsepower-hours).",
"1. A unit for measuring the use of electricity. The cost of an electric bill depends on how many kilowatt-hours the customer used. A microwave or toaster running for an hour will use about 1 kilowatt-hour.\n\n2. A kilowatt-hour (kWh) is a standard metric unit of measurement for electricity. (1) One kilowatt-hour (kW) is equal to 1,000 watt-hours (Wh). (2) A watt-hour is the amount of energy delivered at a rate of one watt (W) for a period of one hour. (3) One watt is the amount of power rate of one joule of work per second of time. (4) Example: A 100 watt light bulb in use for 10 hours uses 1000 watt-hours, or 1 kilowatt of electricity. (100 watts x 10 hours = 1000 watt-hours = 1 kWh)"
],
"abbreviation": "kWh",
"subject": [
"Sustainability and green living",
"Climate change"
],
"references": [
"Heat Island Effect Glossary",
"AgSTAR Handbook Glossary",
"Student's Guide to Global Climate Change",
"Green Power Markets Glossary"
],
"url": "https://mlchart.com/terminology/environment/kilowatt-hour/"
}
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