Apex Clean Energy secures US$150 million for ERCOT projects with Q3 COD

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Renewable energy developer and operator Apex Clean Energy has completed a US$150 million financing with First Citizens Bank for two ERCOT, Texas, battery energy storage system (BESS) projects.

First Citizens Bank was sole bookrunner and co-lead arranger on the financings for the 100MW/200MWh Great Kiskadee Storage in Hidalgo County and the 100MW/200MWh Angelo Storage project in Tom Green County.

Both projects are anticipated to have commercial operate date (COD) in the third quarter of 2024.

Great Kiskadee Storage is owned by SA Grid Solutions, a joint 40:60 venture between Apex and two companies that are part of the South Korean SK Group conglomerate, SK Gas and SK D&D.

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Oregon-based system integrator Powin is providing the BESS equipment for the two projects, announced in March 2023. Powin and Apex have are also partnering on another project in Texas, for Ingka Investments, the parent company of furniture retail chain Ikea, called Cameron Storage.

ERCOT is the second-largest BESS market in the US after California with around 9.5GW of grid-scale capacity expected to be online by October 2024. A substantial and lucrative ancillary services market has driven investment into the sector, although those markets are beginning to saturate as Energy-Storage.news recently reported (Premium access).

Major recent BESS news from ERCOT includes a 730 MW portfolio optimisation deal between Habitat Energy and UBS Asset Management, oil and gas giant Equinor launching 220MWh of projects and developer-operator Agilitas raising US$100 million debt for its pipeline.

2 December 2026
Italy
Battery Asset Management Summit Europe is the annual meeting for owners, operators, investors, and optimisation specialists working with operational BESS assets across the continent. The Summit focuses on how to maximise performance and revenue, manage degradation, integrate advanced optimisation software, navigate evolving market and regulatory frameworks, and plan for repowering or end-of-life strategies. With insights from Europe’s most active storage markets, it equips attendees with practical guidance to run resilient, profitable battery portfolios as the sector scales.
20 April 2027
Renaissance Dallas at Plano Legacy West Hotel, Dallas, Texas, Dallas
Policy, Procurement and Power Demand: Defining the Next Chapter for Energy Storage. Two days in Dallas where developers, IPPs, investors, utilities and the manufacturers building the technology come to close deals, not swap business cards. If you need to be in the room with the people deploying capital into US storage, this is that room.

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