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United States2025-07en

ResStock Technical Reference Documentation v3.3.0

Summary

The U.S. residential sector faces challenges in energy affordability, comfort, and resilience, exacerbated by significant fossil fuel use and growing electricity demand. To address this, the National Renewable Energy Laboratory (NREL) developed ResStock, a sophisticated energy model that simulates and publishes detailed energy use, utility bills, and greenhouse gas emissions for the U.S. housing stock. This model is actively used by a wide range of stakeholders, including utilities serving over 126 million people, to make data-driven decisions and implement energy efficiency initiatives.

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