U.S. EPA GLIMPSE 1.1 Mar 2025 release (minor release)

[DLoughlin]

GLIMPSE (https://epa.gov/glimpse) is a graphical user interface for GCAM-USA
To keep up with GLIMPSE news, subscribe to the listserv by emailing glimpse-news@lists.epa.gov.

What's new in GLIMPSE v1.1?

This minor release (Mar 25) includes:

• A new scenario component option: Fixed demand
• Refinements to the GLIMPSE-ModelInterface Sankey diagram and mapping beta features
• Revised approach for specifying global and query-specific color selections for GLIMPSE-ModelInterface graphics
• Minor bug fixes

Compared to GLIMPSE v1.0, GLIMPSE v1.1 (released January 2024) includes the following major changes:

GCAM updates:

• Transition to GCAM 7.0 from GCAM 5.4
  Learn more about the changes across GCAM versions.

Enhancements to the Scenario Builder:

• An updated Reference Case
• Improvements to the “New Scenario Component Creator” dialog, including providing filtering in technology
  selection and dollar-year conversions when specifying subsidies and taxes

Enhancements to the Model Interface:

• Reorganization of menus to improve usability
• New functionality to convert the units associated with model results
• Updated query file, including a new grouping that makes use of the unit conversions (e.g., reporting greenhouse
  gas emissions in units of mmCO2eq and electricity prices in $/kwh).

Updates to the GLIMPSE Users’ Guide:

• Description of the new Reference Case
• Revised tutorials that reflect the transition to GCAM-USA 7.0 and the updated Reference Case and that also include
  an exercise investigating a Net-Zero decarbonization target

To get access to GLIMPSE, please email Dan Loughlin at Loughlin.Dan@epa.gov.