ESL’s in-house engineering team integrates design capabilities to manufacture wayside power stations with HEP (Head End Power) connectors built to APTA and Amtrak D77-24 and AM800 specifications. ESL’s Wayside Power Cabinets provide temporary plug-in power to passenger trains when the locomotive engines have been shut down and/or disconnected. Eliminating idling of a locomotive’s diesel engine
https://eslpwr.com/wayside-power/