Skip to content
voltsdaily

Friday, 19 June 2026

11 briefs so farlast update 18:51 UTC

Key points

  • Brent Slides to Four-Month Low as War Premium Unwinds.
  • Europe Hesitates on Hormuz Demining as Trump Pushes Rapid Reopening.
  • EIA projects record 86 GW of new US power capacity in 2026, led by solar and storage.
  • Uzbekistan starts construction of first small modular reactor.

Grid & Storage

Elevate, ArcLight Start 150 MW Prospect Power Battery in Rockingham County

Elevate Infrastructure and ArcLight Capital Partners have brought online the 150 MW/600 MWh Prospect Power battery storage facility in Rockingham County, Virginia, the partners said on June 11.

The four-hour duration system pairs 150 MW of power output with 600 MWh of energy capacity, a configuration aligned with PJM Interconnection capacity market product rules. Rockingham County sits in the Shenandoah Valley within the PJM footprint, west of the Northern Virginia data center corridor that has driven much of the regional load growth.

The partners did not disclose offtake terms, capacity market participation, or construction cost in the June 11 statement.

ArcLight Capital Partners is a Boston-based private equity firm focused on energy infrastructure, while Elevate Infrastructure develops and operates storage assets in US wholesale power markets. The two announced commercial operations jointly.

Prospect Power adds to a build-out of grid-scale lithium-ion storage inside PJM, where four-hour assets currently anchor most standalone battery development because the duration qualifies for capacity payments alongside energy and ancillary services revenue. The 150 MW nameplate places Prospect Power among the larger standalone storage assets entering service in Virginia.

Neither company named an engineering, procurement, and construction contractor, battery supplier, or interconnection date for the project in the announcement.

Source: powermag.com (opens in a new tab)1 sourcePermalink