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Data Driven Energy & Climate Policy Evaluation

Compiled by the Princeton ZERO Lab to put granular analysis in the hands of policy makers, media and the general public.

The REPEAT Project provides regular, timely, and independent environmental and economic evaluation of federal energy and climate policies as they’re proposed and enacted. From Congressional legislation to proposed regulations and executive actions, the REPEAT Project provides a detailed look at the United States’ evolving energy and climate policy environment and the country’s progress on the road to net-zero greenhouse gas emissions.

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Our Reports

A series of reports summarizing key findings from REPEAT Project analysis.

Latest report: Clean Investment in 2023: Assessing Progress in Electricity and Transport

In a new joint analysis with Energy Innovation and the Rhodium Group, we compare on-the-ground investment progress in 2022 and 2023 with projections of the IRA's impact.
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