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Light Shift and DMACC outline 8 MW battery plan to absorb excess solar, ease transmission costs
Summary
Light Shift Energy and DMACC presented an 8 MW/4‑hour battery storage project to mitigate reverse power flow at Milford’s substation, absorb excess solar generation, provide peak shaving and participate in wholesale markets; the proposal includes a city lease, an interconnection study and a potential $2 million SEU contribution.
Representatives from Light Shift Energy and the Delaware municipal joint action agency presented a proposed battery energy storage system that they say would resolve a reverse‑power condition at a Milford substation caused by high local solar generation.
Light Shift co‑founder Michael Herbert and DMACC representatives described an energy storage system sized for the site adjacent to an existing solar facility. They said the system would absorb—or “soak”—excess solar when local load is insufficient, discharge during higher demand to reduce transmission and capacity charges, and at other times participate in the PJM wholesale market to generate revenue that reduces project cost.
Michael Herbert said the design exercise used historical solar and load data plus forecasted solar additions to identify a configuration the team expects to be cost effective. He described the Milford proposal as “an 8‑megawatt, 4‑hour system” and said the planned footprint would be compact, sited on city‑owned…
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