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Featured Speakers: Mohit Joshi, Senior Analyst at National Energy System Operator; Lisa Flatley, Senior Analyst at National Energy System Operator; Tim Price, Senior Analyst at National Energy System Operator

Moderator: James Okullo, Director of System Planning, ESIG

Webinar Abstract: Decarbonizing the power system in Great Britain over the next decade is essential to meet the country’s legally binding obligations on climate change. This means the future decarbonized power system in Great Britain will be very different, with a large share of weather-dependent renewables and supported by higher levels of flexible resources such as storage, interconnection and demand-side flexibility. A study was published by the National Energy System Operator (NESO) in July 2025 to understand potential risks to resource adequacy in the future, so that actions can be taken ahead of time to give confidence that future consumers can continue to benefit from reliable energy supplies. This webinar will explore the details of the modeling approach adopted for this study and key messages covering the role of weather patterns, energy storage, demand side flexibility, interconnection and adequacy metrics.

About the Speakers: Mohit Joshi is a senior analyst in the net zero adequacy modelling team at National Energy System Operator (NESO), UK. He joined NESO in 2023 where his role focusses on delivering long term resource adequacy assessment for Great Britain and provide recommendations to ensure security of supply in 2030s & beyond. He has over 15 years of experience in energy industry in areas such as power system operation & analysis, electricity markets and its modelling, long term planning and resource adequacy. Prior to joining NESO, Mohit worked at National Renewable Energy Lab, USA and National Load Despatch Centre in India.

Lisa Flatley is a senior analyst in the Net Zero Modelling Adequacy team at National Energy System Operator (NESO). Her role focuses on resource adequacy assessments and making recommendations for Great Britain in the 2030s. Prior to joining NESO, Lisa was a postdoctoral research fellow at the University of Warwick, focusing on the mathematics and economics of long-duration energy storage.

Tim Price is a senior analyst in the Net Zero Modeling Adequacy team at National Energy System Operator (NESO). He mainly focuses on processes to set up, run and analyze adequacy models. He has a masters in Physics from the University of Manchester and experience as a technical lead and creating coding infrastructures for particle accelerators.