Modular containerized data center

A modular data center comprising:

• a certified shipping container having first and second end walls, first and second side walls, and a top wall and a bottom wall;
• one or more storage units within an interior of the shipping container configured to hold one or more electrical loads;
• an interior access door within the first end wall at one end of the shipping container which provides access to the interior of the shipping container;
• a switchboard built-in and inset within the second end wall at an opposite end of the shipping container, the switchboard comprising a circuit breaker to receive electrical power and distribute electrical power to the one or more electrical loads,
• wherein the switchboard is exterior-facing so as to be accessible from an exterior of the shipping container,
• wherein the switchboard is configured in a bottom-feed orientation in which a power cable from an external power source that supplies electrical power to the switchboard is routed for ingress through a first opening in the bottom wall of the shipping container, through the interior of the shipping container, and is received to be connected to the switchboard from a bottom of the switchboard, and
• wherein the interior access door, the switchboard, and the first opening in the bottom wall are configured such that structural and environmental integrity of the shipping container are maintained for certification of the shipping container.