EnergyBriefing.info
No energy source is infinite.
 Energy Quotes The discovery of nuclear chain reactions need not bring about the destruction of mankind any more than did the discovery of matches. We only must do everything in our power to safeguard against its abuse. |
Energy StorageEnergy storage is the device of facility for storing some form of energy that can be drawn upon at a later time to perform some useful operation. The needs for energy starage may be grouped as below: Load Levelling - The demand for electricity from consumers and industry is constantly changing due to seasonal, weekly, daily and hourly factors. Power plants can adjust their output or use spare capacity to cope with the fluctuation. The problem with relying on these methods is that they are expensive, because they leave expensive generating equipment unused much of the time, and because plants running below maximum output usually produce at less than their best efficiency. Grid energy storage is used to shift load from peak to off-peak hours. Power plants are able to run closer to their peak efficiency for much of the year. Portability - This is the area of greatest success for current energy storage technologies. Single-use and rechargeable batteries are ubiquitous, and provide power for devices with demands as varied as digital watches and cars. Reliability - Virtually all devices that operate on electricity are adversely affected by the sudden removal of their power supply. Solutions such as UPS or backup generators are available, but these are expensive. Efficient methods of power storage would allow for devices to have a built-in backup for power cuts, and also reduce the impact of a failure in a generating station. Energy storage technologies include batteries, fuel cells, capacitors and some mechanical and thermal methods.
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