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World’s Largest #Battery: Saved $8.9 Million In 6 Months


 
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#1 eds

eds

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Posted 07 August 2018 - 05:33 AM

Looking to the 2nd half of the year, savings for the year are estimated to be
. . . $18 million, providing a nice return on the initial investment for trading power,
. . . which is stored, and then discharged by the battery system.
Currently, only 30% of the system’s
. . .100 MW capacity is being utilized for trading,
. . . leaving an open question on the table,
. . . about the potential revenue generated with the full capacity of the system.

In the first quarter, the battery was largely utilizing the system as you would expect,
. . . charging up at night and discharging in the evening,
. . . when the duck curve of power utilization hits, and
. . . as solar production for the day begins to sharply taper off.

In the second quarter, the patterns started to shift.
. . . The HPR still charges up primarily at night,
but has added a morning discharge period,
. . . that presumably absorbs high grid usage from consumers,
. . . starting their morning routines,
. . . before solar production for the day starts ramping up.
The battery has also added a brief recharge period,
. . . around the day’s peak solar production period,
. . . in preparation for the evening duck curve.

Utilities increasingly look to stationary storage installations,
. . . to replace aging natural gas,
. . . or coal-fired peaker plants.

8-7-2018 Source:  World’s Largest #Battery: Saved $8.9 Million In 6 Months

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