ESS Solutions
As the amount of renewable electricity capacity increases exponentially, it is expected that needs for energy storage will also expand to compensate for the intermittency, uncertainty, and location dependency that are characteristic of renewable energy. To integrate renewable energy into the grid will rely on “Energy Storage Technologies” to overcome the said traits of renewable energy.
Taiwan and Asia have great needs for energy storage, to which TPE’s expertise in software and hardware solutions is expected to contribute immensely.
Renewable Energy
Wind power and solar power, reliant on the weather and season, are to some extent unpredictable. Wind power generators can generate electricity only when there is wind, while solar power can do so only when the sun is up. Energy storage system can fill the electricity generation gap caused by the intermittency and uncertainty of renewables and save energy to avoid possible wind and solar energy curtailment.
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Isolated Islands and Micro-grids
There are many islands in the world that are not suitable for large-scale power plants and therefore short of electricity sufficient for comfortable daily living; there are also remote areas where transmission lines are not properly installed. These places are fitting for renewables and distributed generation integrated with energy storage system. Energy storage system can save extra energy when renewable energy or distributed generation is in operation, and output electricity when needed. In the case of solar power, it would be saving electricity during daytime and output during nighttime.
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Ancillary Services
Energy storage system can improve the safety and efficiency of transmission and distribution of electricity and lower the risks of unbalanced flow, grid congestion, and voltage and frequency fluctuations. ESS can also stabilize electricity market prices and ensure energy supply. ESS can also, when applied in remote areas, improve the management of distributed generation, lower operational costs, and enhance grid efficiency.
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Energy Generation
Energy storage system can provide spinning reserve and supplementary reserve capacity to the grid. ESS can also provide active power reserve for the grid, supporting power plants in case of incidents.
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Enterprises and Industries
When the electricity infrastructure is imperfect and electricity supply unstable, insufficient voltage and interrupted supply could cause factory stoppage and incur production losses; ESS can act as emergency standby power or improve the quality of electricity supply. On the other hand, in Taiwan’s case, where the Renewable Energy Development Act requires enterprises with a certain amount of electricity consumption to use a set percentage of renewable energy, ESS can help them lower their chartered capacity, lower peak-hour fees, undertake peak shaving, enhance electricity supply quality, and act as emergency standby power.
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