Report
Taking Stock 2026: US Energy and Emissions Outlook
We find that the US is on track to reduce GHG emissions by 27-41% below 2005 levels in 2040, considering all relevant federal and state policies on the books as of June 2026.
Hannah Kolus
Senior Analyst
Hannah Kolus is a Senior Analyst with Rhodium Group's Energy & Climate practice, leading US energy system modeling of the impacts of policy and evolving energy markets, particularly in the power sector.
Energy & ClimateHannah maintains Rhodium Group’s modified version of the National Energy Modeling System (RHG-NEMS).
Before joining Rhodium, Hannah worked with global land models and output at the Jet Propulsion Laboratory and researched historical climate at Northern Arizona University. She has a Bachelor’s degree in Physics from Brown University and a Master’s degree in Environmental Science and Policy from Northern Arizona University.
Research by Hannah Kolus
Note
Building a Geothermal Powerhouse Region in the South-Central and Southwest United States
Targeted, well-designed, ambitious policies enacted by states can leverage the immense changes and investment opportunities on the horizon to drive deployment of geothermal on the grid.
Report
Caught in the Current: Historical and Prospective Drivers of Changes in US Electricity Prices
Recent electricity price increases in the US are driven by multiple, intersecting factors that vary substantially regionally and by individual utility.
Note
The Impacts of Rising Electricity Demand from Data Centers on US Energy and Emissions
As the pace of data center buildout in the US rapidly evolves, we examine the energy and emissions impacts of a future where data center electricity demand grows at a faster rate than we've previously considered.