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Roger Arnold

Systems Architect
Silverthorn Institute

Areas of Expertise:

Biofuels, Carbon Capture and Sequestration, Clean Energy, Climate Change, Coal, Electric Vehicles, Energy Efficiency, Energy Storage, Geothermal, GHGs, Hydraulic Fracturing, Hydropower, Liquid Fuels, Natural Gas, Nuclear, Oil, Regulation, Renewables, Smart Grid, Solar, Transportation, Wind

Additional Areas of Expertise:

Power Electronics, Robotics, Embedded Software, Real Time Operating Systems, Fluid Dynamics, Heat Transfer

After 30 years as a software engineer, systems architect, and technology consultant, Mr. Arnold now directs the Silverthorn Institute. The institute serves as a clearing house for ideas and tools for sustainability and local sufficiency in energy and resources.

Recent Comments by Roger Arnold

  • "Too many possibilities to call. Flow batteries with very low cost electrolyte solutions are promising, but there are new forms of pumped hydro, CAES, "
    The State of Long-Duration Energy Storage
  • "The greatest potential in the near term is in what I'd call medium duration storage. That's storage that cycles daily, with sufficient capacity to mee"
    The State of Long-Duration Energy Storage
  • "Current policies make variable renewables parasitic on fossil fuels. VRE resources deliver energy "as available", but we expect the grid to deliver po"
    The State of Long-Duration Energy Storage
  • "I'll say up front that I'm no expert on public-private partnerships. I'm sure there are economists, lawyers, and others who have been involved in proj"
    Public-Private Partnerships and The Energy Transition
  • "I strongly support the Carbon Fee and Dividend concept that Dan advocates. I agree that it will be an anti-regressive measure that will generally bene"
    Energy Justice
  • "Henry is right, of course. Climate change is a global problem, and it requires a global response to address it. That means treaties and agreements bet"
    Decarbonization and Reliability
  • "In theory, perhaps not. But in theory, COVID-19 response could have been handled at the state level, without leadership and assistance from the federa"
    Decarbonization and Reliability
  • "I agree that market rule changes will be needed. Better provision are needed for energy storage and for demand regulation."
    Decarbonization and Reliability
  • "The challenge is to accommodate increasing share from intermittent renewables while maintaining reliability. And to do so without unduly increasing th"
    Decarbonization and Reliability
  • "For external costs to be factored into project planning decisions in the way you want, either project planning must be a state monopoly, or the extern"
    Climate Perspectives and The Future of Energy