Doosan Heavy Industries & Construction Acquires Seattle-based 1Energy Systems
July 11, 2016
Doosan Heavy Industries & Construction has acquired Seattle-based 1Energy Systems and will rename the business Doosan GridTech. The deal gives Doosan advanced distributed energy resource and energy storage management software capabilities and a stronger foothold in the U.S. market; 1Energy's roughly 30 MW of projects and team of about 25 employees will operate as a subsidiary of Doosan Heavy.
- Buyers
- Doosan Heavy Industries & Construction (DHIC)
- Targets
- 1Energy Systems (to be renamed Doosan GridTech)
- Sellers
- Employee-owners of 1Energy Systems
- Industry
- Energy
- Location
- Washington, United States
- Transaction Type
- Buyout
Explore More
Related Acquisitions
-
QE Solar LLC Acquires Doman Energy Group
February 12, 2026
IT Services
QE Solar LLC announced the acquisition of Doman Energy Group, an engineering firm focused on utility-scale energy systems and electrical infrastructure. The deal is intended to significantly expand QE Solar’s in-house engineering capabilities and broaden integrated technical services across renewable energy project phases.
-
SkyFire Energy Acquires Hakai Energy Solutions
January 15, 2026
Energy
SkyFire Energy Inc. has acquired Hakai Energy Solutions, a British Columbia–based renewable energy firm specializing in grid-tied and remote off-grid solar and microgrid systems. The acquisition expands SkyFire's presence across Vancouver Island, coastal British Columbia and remote communities and strengthens its capabilities in solar, microgrid and battery energy storage systems, creating a combined team of roughly 200 employees.
-
Kinsley Energy Systems Acquires Clarke Energy USA's CoEnergy America CHP Business
October 1, 2025
Energy
Kinsley Energy Systems, LLC has acquired Clarke Energy USA's combined heat and power (CHP) business, formerly operating as CoEnergy America, in the Greater Boston area. The divestiture expands Kinsley's presence and service capabilities across the Northeast while Clarke Energy shifts focus to larger-scale projects and regions.
-
SK E&S Acquires EverCharge, U.S. EV Charging Solutions Provider
March 23, 2022
Energy
South Korean energy company SK E&S has acquired EverCharge, a San Francisco Bay Area–based manufacturer and operator of EV charging stations focused on multi-family, workplace and fleet deployments. The deal gives SK E&S a foothold in the U.S. EV charging market and complements its broader U.S. energy solutions investments and capabilities.
-
Yokogawa Electric Acquires PXiSE Energy Solutions
December 1, 2021
Energy
Yokogawa Electric Corporation has acquired all outstanding shares of PXiSE Energy Solutions LLC, a San Diego–based developer of high-speed grid control and DER management software. The acquisition expands Yokogawa’s capabilities in real-time grid control and renewable integration, enabling enhanced monitoring and control for utilities, microgrids, and renewable assets.
-
Clarke Energy USA Acquires Cogeneration Systems of America (Co-Energy America)
October 31, 2019
Energy
Clarke Energy USA, a Kohler Company subsidiary, has acquired Cogeneration Systems of America, Inc. (operating as Co-Energy America), a Upton, Massachusetts developer of packaged combined heat and power (CHP) systems. The acquisition expands Clarke Energy's U.S. footprint and its CHP product/service capabilities across the 35 kW to 1 MW size range for commercial and institutional customers in the Northeast.
Build a buyer list for your deal
Find active buyers from recent acquisition patterns and move straight into outreach.