Abstract: An electrical system may power a facility, such as a hospital. The system may include a hydrogen production facility and a storage system located on-site at the facility. A plurality of generators may use hydrogen produced at the hydrogen production facility to generate power for the facility. A battery energy storage system may be configured to store excess power produced by a renewable energy source and/or the plurality of generators. A microgrid controller may be configured to direct power from the utility power source to the facility during a non-emergency event and to direct produced by the plurality of generators instead of the power from the utility power source to the facility during an emergency event. The microgrid may be configured to direct power from one of the utility power source, the renewable energy power source, or the battery energy storage system to the hydrogen production facility.

Abstract: Several example multi-DC voltage (MDC) boxes and associated power delivery systems are described herein. The MDC box can take a 24-60 VDC input (or other values) and can provide multiple DC output voltages for electronic devices and medical devices to plug-in directly without having a need for a bulky AC-DC power adapter.