Our Companies

Located in Maidsville, West Virginia, Longview Power operates one of the cleanest, most efficient coal-fired power plants in North America.

Producing 710 megawatts of electricity, Longview consistently achieves best-in-class emissions performance through the use of advanced technology, including AI-based controls, selective catalytic reduction, and closed-loop water systems.

Recognized for reliability, environmental responsibility, and innovation, Longview demonstrates what modern coal generation can be — clean, efficient, and essential to grid stability.

Mountain State Clean Energy represents the next step in MSEH’s mission — a shovel-ready combined-cycle natural gas facility designed to complement Longview’s baseload generation with flexible, low-emission power.

Featuring high-efficiency turbines and state-of-the-art emissions controls, MSCE will provide clean, dispatchable energy to meet rising regional demand and ensure grid reliability in a changing energy market.

Through thoughtful planning and sustainable practices, this affiliate ensures that each property under MSEH’s umbrella is utilized efficiently, responsibly, and in alignment with environmental and community priorities.

Dunkard Creek Treatment Plant focuses on an optimized water balance by re-using and retreating both stormwater and process water for recycled use, protecting local waterways from runoff and contamination. The result: cleaner rivers, restored fish habitats, and a model for sustainable industrial water stewardship.