Since September 24, 2022, the uptime of nrel.org has been tested 10 times over the past 1 378 days. Operating successfully 4 times in all tests, nrel.org's last recorded uptime on March 9, 2025, returned a code 200. No instances of downtime were detected for nrel.org during inspections conducted as of July 4, 2026. On June 1, 2026, code 403 was identified as the most recent error within a set of 6 responses that encountered errors. Averaging 0.287 seconds, nrel.org responded in 0.278 seconds on the recorded date of June 1, 2026.