Implementation Analysis
NREL provides data-driven insights on siting and permitting constraints, infrastructure gaps, markets, and system needs.

Renewable Portfolio Standards
We are engaged in a multi-year project to examine the costs, benefits, and other impacts of state renewable portfolio standards policies.
Voluntary Green Power Procurement
We track status and trends in the voluntary green power market to help corporate purchasers, utilities, and others meet their renewable goals.
Solar Energy Evolution and Diffusion Studies
We conduct industry-wide studies to identify the drivers and barriers to the adoption of solar energy. For more information, see the Solar Research site.
Policy Analysis
Policy analysis evaluates policies that can advance—or provide alternatives to—renewable energy technologies in meeting national goals.
Project Finance Analysis
Project finance analysis helps renewable energy developers and investors gain insights into the complex world of project finance.
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Last Updated June 27, 2025