Kodak has a rather large in-house power plant driven by coal and it also has a rather extensive internal railroad. Kodak had one of the first electrified railroads in the world as it could not use coal power due to cellulose nitrate. It is currently diesel.
The coal for the various power plants is delivered to the Park in hopper cars pushed by switchers. The coal station is across Hanford Landing road from the delivery point of liquid chemistry such as Ammonium Hypo.
Point is, they are already using coal.