# GSE Solutions

> GSE Solutions supplies nuclear and energy operators with plant-specific simulators, engineering design, thermal performance analysis, training, and compliance support. Its simulation heritage dates to 1971; GSE Systems, Inc. was formed in 1994. Acquired by a Pelican Energy Partners affiliate in 2024, it serves hundreds of customers across more than 50 countries and is expanding through engineering-program software and AI-assisted simulation partnerships.

- **Founded:** 1971
- **Headquarters:** Columbia, United States
- **Products:** Plant-specific nuclear simulators, Simulation-Assisted Design Engineering (SADE), JADE modeling tools, Generic Combined Cycle Simulator, Generic Pressurized Water Reactor (GPWR) simulator
- **Notable:** Company reports more than 1,100 simulation installations and customers in over 50 countries., Built first-of-a-kind simulators for AP1000, PBMR, NuScale, and mPower designs, according to its engineering simulator page., Delivered simulation technology for three NuScale Energy Exploration Centers.

## Products & services

- **Plant-specific nuclear simulators** — Full-scope control-room replicas and emulations for operator training, engineering validation, upgrades, and maintenance.
- **Simulation-Assisted Design Engineering (SADE)** — Dynamic plant models for validating control systems, design changes, and human factors before field implementation.
- **JADE modeling tools** — Integrated simulation tools including JTopMeret for thermal hydraulics, JControl for controls, JElectric for electrical networks, and JStation for instructor control.
- **Generic Combined Cycle Simulator** — Generic gas-and-steam plant model with ten self-paced procedures; supports classrooms, cloud delivery, and research.
- **Generic Pressurized Water Reactor (GPWR) simulator** — Generic nuclear reactor simulation for education and training, including Lancaster University’s facility.
- **Design engineering and analysis** — Mechanical, electrical, instrumentation and control, civil, structural, and fire protection work, with project and field support.
- **Engineering Programs** — Inservice inspection, inservice testing, regulatory program support, and plant life-extension services.
- **Thermal performance services** — Plant performance assessment, monitoring, testing, and data validation and reconciliation.
- **IDDEAL Software Suite** — Organizes regulatory requirements, plant components, inspection and examination programs, scheduling, and tracking; added through acquisition.
- **Operator and instructor training** — Plant-system instruction, qualification support, and tailored training programs for energy facilities.

## Achievements

- Company reports more than 1,100 simulation installations and customers in over 50 countries.
- Built first-of-a-kind simulators for AP1000, PBMR, NuScale, and mPower designs, according to its engineering simulator page.
- Delivered simulation technology for three NuScale Energy Exploration Centers.
- Selected for Rolls-Royce SMR’s 2024 power-station simulator.
- Acquired Iddeal in January 2026 to add engineering-program expertise and software.

## Latest updates

- **2026-08** — Announced strategic AI and simulation collaboration with Nuclearn; release dateline August 18.
- **2026-06** — Lancaster University opened its nuclear simulation facility, using software from GSE and other suppliers.
- **2026-06** — Hadron Energy selected GSE for the Halo micro-modular reactor training simulator.
- **2026-01** — Announced the Iddeal acquisition, adding software, on-site services, and ASME inspection/testing program support; release dateline January 19.

## Links

- Website: https://gses.com/
- LinkedIn: https://www.linkedin.com/company/gse-solutions
- Twitter/X: https://twitter.com/GSE_Solutions
- Facebook: https://facebook.com/GSESystems

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Published by YesPress — https://yespress.io
Last updated: 2026-10-01