GPA inaugurates newest energy storage system facility

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A ribbon-cutting ceremony was held Friday for the Guam Power Authority's newest energy storage system facility at its Agana Substation. (PNC photo)

The Guam Power Authority marked another achievement in its goal of increasing the renewable energy portfolio of the island.

A ribbon-cutting ceremony was held Friday for the Guam Power Authority’s newest energy storage system facility at its Agana Substation.

Dignitaries led by Gov. Lou Leon Guerrero helped cut the ceremonial ribbon.

Also known as the GPA-BESS project, the storage system was commissioned early March this year and is already in full operation.

The energy storage system serves as a battery that enables electricity to be saved so
that it can be used at a later time.

According to GPA, the plan is to set up a system in Agana and in Talofofo.

John Benavente, GPA general manager, spoke about how the battery storage provides support to GPA’s renewable energy systems as well as improves renewable energy integration and system reliability.

The energy storage system also reduces costs by displacing expensive diesel fuel use during peak hours of energy usage.

“Over the next three years, an additional 120 MWs could be commissioned from other parts in DanDan. With that and another 150, we can’t have more PV systems without additional reliability and poor power quality,” Benavente said.

He says all these renewables will provide greater than 25 percent which means power rates will be lowered and stabilized.

For her part, Gov. Lou Leon Guerrero says the project complements her administration’s efforts.

“Our administration is supportive of all the work that you do to reach our renewable energy goals by 2030 and 2045,” the governor said.

Lt. Governor Josh Tenorio — who has been spearheading the climate change, renewable energy environment, and green economy campaigns — said he has been working closely with UOG to develop the GForce.

“We need to continue to have a clearer framework and a strategic path as to where we are going to be,” Tenorio said.

According to GPA the new initiative supports their goal of achieving a 50% renewables energy mix by 2030 and to continue towards the mandated 100% renewable energy mix by 2045.

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