
Japan
3 MWh
Control platform/system integration, operations and maintenance services, and performance guarantee
Ontario, Canada
81 MWh
IHI Terraun’s portfolio of projects in Ontario, Canada, focus on the Global Adjustment market, which creates incentive for development of energy storage projects that reduce peak electricity use.
NYISO
76 MWh
IHI Terrasun’s projects in the New York ISO support the state’s mandate for energy storage capacity and feature both DC-coupled and AC-coupled configurations.
ERCOT
60 MWh
IHI Terrasun’s proprietary power plant software runs in the ERCOT market providing functions such as Fast Frequency Response, which is a unique requirement that requires a response time of under 250 ms.
ISO-NE
232 MWh
Many of the energy storage projects in Massachusetts integrated by Terrasun participate in the state’s Clean Peak Standard, which is designed to make clean, renewable energy available during peak electricity use events, such as summer days with extreme heat.
NV
1.6 GWh
IHI Terrasun is providing integration, power plant software, and long-term services for the 1.6GWh Gemini Solar + Storage project, which is one of the largest energy storage installations in North America.
PJM
23 Mwh
IHI Terrasun’s projects in PJM support the region's de-carbonization goals by providing a stable and reliable source of clean electricity from stationary storage systems.
2.1
GWh (DC)
installed, contracted, and in-construction
1.7
GWh
Utility Scale
1.8
GWh
DC-Coupled
90
MWh
AC-Coupled
Project Experience
IHI Terrasun Solutions has utility-scale and distributed generation battery energy system storage projects across North America. With nation-leading expertise in DC-coupled solar plus storage development and design, Terrasun provides full design management, battery procurement and selection, system integration and controls software, and long term services.

Gemini Project
380 MW/1,406 MWh
Tech
Li-Ion
Use Case
Solar shifting, peak shaving, voltage regulation
Scope
Battery energy storage system with IHI Terrasun power plant controls; solar system controls; system engineering and integration; commissioning; reporting and maintenance services.
Partner
Primergy Solar
Commision date
2023

Byrd Ranch
60 MW/60 MWh
Tech
Li-Ion
Use Case
Ancillary market participation and energy arbitrage ERCOT
Scope
ESS system with control platform, system engineering and integration, operations and maintenance services, and performance guarantee
Partner
Glidepath
Commision date
2022

Sarnia
10MW/20MWh
Tech
Li-Ion
Use Case
Ontario Global Adjustment charge reduction
Scope
ESS system with control platform, system engineering and integration, operations and maintenance services, and performance guarantee
Partner
Convergent Energy + Power
Commision date
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