20
FOGHORN
A 
growing number of passenger vessel operators are looking at batteries as a potential 
alternative to diesel power. That is the right instinct, but it often comes with the 
wrong framing. Owners and operators too often start by stating, “OK. Let’s switch to 
batteries. We will replace our gensets,” and from there, the conversation gets stuck in a circle of 
trying to justify the decision.
PHOTO: MICHAEL HEISE/UNSPLASH
A Battery Is  
Not a Generator 
Replacement
IT IS A TOOL IN THE POWER SYSTEMS TOOLBOX
DR. BEN GULLY  //  SPOC ENERGY
FOGHORN FOCUS

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