Energy efficiency

Energy efficiency

Industry: Energy

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Energy efficiency

water wheel

Energy; Energy efficiency

A wheel that is designed to use the weight and/or force of moving water to turn it, primarily to operate machinery or grind grain.

windmill

Energy; Energy efficiency

A WECS that is used to grind grain, and that typically has a high-solidity rotor; commonly used to refer to all types of WECS.

wind generator

Energy; Energy efficiency

A WECS designed to produce electricity.

parallel connection

Energy; Energy efficiency

A way of joining photovoltaic cells or modules by connecting positive leads together and negative leads together; such a configuration increases the current, but not the voltage.

series connection

Energy; Energy efficiency

A way of joining photovoltaic cells by connecting positive leads to negative leads; such a configuration increases the voltage.

heat pump water heaters

Energy; Energy efficiency

A water heater that uses electricity to move heat from one place to another instead of generating heat directly.

storage water heater

Energy; Energy efficiency

A water heater that releases hot water from the top of the tank when a hot water tap is opened. To replace that hot water, cold water enters the bottom of the tank to ensure a full tank.