ENERGY STORAGE FOR PORT ELECTRIFICATION
Ensuring availability of these electrical resources to meet loads which are intermittent and uncertain is becoming a critical port function. It requires investment in multi-vector energy supply chains, energy
Ensuring availability of these electrical resources to meet loads which are intermittent and uncertain is becoming a critical port function. It requires investment in multi-vector energy supply chains, energy storage in ports and their associated energy management systems.
ESSOP has explored two ways in which ports can minimize their energy costs by using energy storage: • Optimising how to use PV solar generation to offset grid electricity. The wholesale price of energy varies every half-hour, and on a time-of-day tariff this variation is passed onto users.
PSA, another terminal operator in Singapore, also installed a 4 MW peak solar system in the Pasir Panjang Terminal in 2018 (Straits Times, 2018). However, solar energy is an intermittent energy source; that is, energy outputs from the sun are irregular and not continuously available to generate a power supply.
Energy management affects not only the economic performance of a port but also its social and environmental aspects. For example, efficient energy management contributes to lower fuel consumption of cargo handling equipment and thereby to air pollution.
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