World-class training for the modern energy industry

Principles of Subsurface Energy Storage (E564)

  • TypeType: Classroom, Virtual
  • TypeDiscipline: GeoEnergy Transition, Multi-disciplinary
  • TypeDuration: 7 hrs, 2:00pm-5:30pm


Prof Kevin G. Taylor: Professor in Energy Geoscience, University of Manchester, UK


The aim of this course is to give an overview of the requirement, and the range of subsurface solutions, for energy storage. It will cover the key aspects of energy supply and demand, the role that subsurface energy storage can play in addressing this, and the key role that subsurface energy storage will play in decarbonizing energy as a key part of the energy transition. We will cover the fundamental geological, technical, environmental and societal aspects of hydrogen storage, compressed air storage, natural gas storage and heat storage. We also will briefly cover emerging solutions, such as chemical subsurface storage and geo-batteries.

Duration and Logistics

Classroom version: A 1-day course comprising a mix of lectures, case studies and exercises. The manual will be provided in digital format and participants will be required to bring a laptop or tablet computer to follow the lectures and exercises.

Virtual version: Two 3.5-hour interactive online sessions (mornings in North America and afternoons in Europe). Some short exercises (e.g. handling some basic data, estimating energy storage capacity, etc.) will be undertaken within the course. In-course questions / polls will be included. A digital manual and exercise materials will be distributed to participants before the course.

Level and Audience

Fundamental. The course is aimed at technical staff from a wide range of backgrounds, and an understanding of specific subsurface geoscience / engineering will not be assumed. The subject matter will be covered from first principles and will be of interest to staff from a range of backgrounds, including geological, engineering and commercial.


You will learn to:

  1. Understand the nature of energy demand and supply within the context of the energy transition and the necessity for energy storage.
  2. Recognize the different ways in which energy can be stored in the subsurface, including natural gas storage, hydrogen storage, compressed air storage and heat storage.
  3. Appreciate the specific geological and technical requirements for different energy storage solutions, along with examples of where these are being deployed.
  4. Appreciate the challenges around subsurface storage, including fluids, gas and geomicrobiology aspects.
  5. Be able to frame subsurface energy storage within environmental, social and governance (ESG) considerations.

Course Content

This course covers the principles of subsurface energy storage and the critical role it will play in the energy transition.

Topics to be covered include:

  • Energy demand vs energy supply, especially intermittent renewable energy supply
  • Aspects of the subsurface that make for good energy storage
  • Natural gas storage, hydrogen storage, compressed air storage, heat storage (and cooling storage) and emerging ideas (such as geobatteries)
  • Geological factors to consider, including reservoir, seal, porosity / permeability and structures
  • Volume and energy storage potential for different storage solutions
  • Impacts of fluids and fluid chemistry upon storage efficiency
  • Geomicrobiology considerations: biofilms and corrosive gases
  • Interactions / integration of the subsurface with topside infrastructure
  • Environmental considerations of potential fluid / gas escape and pollution mitigations
  • Potential induced seismicity in subsurface sites and mitigations
  • Societal acceptance and social licence to operate
  • European and global examples

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