Our mission is to realize a sustainable energy future.

See how

Customer Focused

Consistently excellent customer experience, driven by long-term success and loyalty

Reliable

Safe systems built for long-term asset value, higher ROI, & reduced management costs

Solution-Oriented

Uniquely configured solutions that meet any project need + creatively resolve challenges

Technology Driven

True interconnection of hardware and software through system design and implementation

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.

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

MWh

AC-Coupled

Project Experience

IHI Terrasun Solutions is an energy storage system solutions provider across North America and beyond. The projects range from standalone storage to DC and AC coupled solar plus storage in a variety of sizes and use cases, supported by the advanced software Terrasun has developed for the energy storage market.

Lifecycle Services

Terrasun’s lifecycle services are based on highly integrated hardware and software for a complete power plant control system that can manage standalone, co-located or coupled energy storage installations.

Vendor agnostic augmentation

Full powerplant controls

Remote software upgrades

Smart monitoring & alarm detection

Technology Approach

The benefits of the IHI Terrasun Solutions approach include

Modular and scalable configuration

Flexible and nimble adoption of different ESS technologies

ensures performance value

High efficiency system design

Data driven, remote, and scalable operations and maintenance

Advanced controls for reliable access to different markets

Solutions

Our range of solutions provide core capabilities supported by hardware, software, and systems designed for large scale storage to create lasting utility-scale systems.

Leader in DC-Coupled solutions

Direct Procurement options are available

Bankable and reliable with strong Parent Guarantees

Recent News

Honoring Hispanic Heritage Month: interview with Juan Ibanez

The Hiring-to-Hired Journey at IHI Terrasun Solutions

The Employee Journey: Rick Hundal, P.E., Sr. Energy Storage Project Manager

About IHI Terrasun Solutions

IHI Terrasun Solutions is an energy storage integration, power plant software and services provider. It is a division of IHI Corporation, a multinational conglomerate with years of infrastructure, generation, and energy management experience.

At IHI Terrasun, our vision is to realize a sustainable energy future. Our mission is to create an innovative and sustainable energy landscape by integrating advanced energy storage solutions into the electric grid with advanced software services