Joshua Dominic McTigue

Joshua Dominic McTigue serves as Researcher IV in Mechanical Engineering at the National Renewable Energy Laboratory (NREL), focusing on energy conversion and storage systems within the Center for Energy Conversion and Storage Systems. His work bridges thermal engineering, renewable energy integration, and power generation technologies.

His research portfolio emphasizes:

• Thermal Energy Storage systems development
• Concentrated Solar Power optimization
• Geological Thermal Energy Storage (GeoTES) solutions
• Heat pump and particle media integration
• Grid-scale renewable dispatching
• Cost-performance analysis of storage media

Recent publications demonstrate a strategic shift toward geological storage applications and silica-based media for pumped thermal systems, with increasing emphasis on seasonal grid-scale deployment. His 2024-2025 work integrates depleted oil/gas reservoirs with solar thermal charging to create economically viable long-duration storage.

McTigue actively collaborates across NREL's research ecosystem, contributing to high-impact technical reports and peer-reviewed journals in energy storage domains. His work has garnered significant attention through news coverage and academic citations, reflecting its relevance to grid decarbonization challenges.