Back of the envelope calculations….

Panamax (largest container ship through the Panama Canal) burns 63,000 gal/day. 

63000 gal of diesel is 2400MWH of energy.   It takes roughly 10 acres to 
generate 1MW of power so 24,000 acres * 3 (to account for night).     Call it 
40 square miles….  I don’t think that’s going to work.

Batteries….  The Panamax ships hold ~3M gallons of fuel or 114298 MWH of 
energy.  A typical nuclear power plant puts out 900MWH so it’s going to take 
the full output for 5 days to recharge that battery.  But the typical 
turnaround is 1-2 days to we need 5 reactors to recharge the ship by the time 
it’s ready to sail.

Hard to beat dead dinosaurs for energy density.

Mark



> On Oct 7, 2024, at 5:22 PM, Steve Jones <thatoneguyst...@gmail.com> wrote:
> 
> i dont know how much batteries it would take to run one of these beasts, but 
> what is the fuel to batter weight ratio? like 100 tons to cross the atlantic 
> in fuel would require how many tons of battery with 30% sun and how many tons 
> of solar panels to charge them
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