NREL Flatirons Campus 251 Parking

Of its 16 ports, 15 are Level 2 and 1 is Level 1. Level 2 ports are 240-volt AC chargers, typically used where a car is parked for an hour or more. Level 1 ports are standard 120-volt outlets, the slowest way to charge. That is about 5.6 times the Colorado average of 2.8 ports per station. The registry lists 2 connector types: J1772, the standard Level 1/2 AC connector; NEMA 5-15, Standard 120V wall outlet. The site is listed as a federal government location. It is flagged as workplace charging.

Louisville has 44 charging stations in the DOE registry with 110 ports, the 19th-most of 204 cities and towns in Colorado. NREL Flatirons Campus 251 Parking accounts for 15% of the charging ports in Louisville. Statewide, Colorado has 3,163 stations and 8,973 ports, the 7th-largest station count of the 51 states and DC. The biggest station in Colorado, NREL Employee Parking Garage in Golden, has 108 ports.

NREL Flatirons Campus 251 Parking is listed as non-networked: its chargers are not run through a charging-network account. Colorado has 263 non-networked stations, 8% of its total.

“Available” means the station is open and in service according to the DOE registry. Its access code is private, meaning use is restricted, for example to a fleet, employees or residents. It opened on Jan 15, 2021, one of 450 stations in Colorado with a 2021 open date. The station's record was last updated at the source on Feb 2, 2026.