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Generator vs True Current

Same cool cabin. Different bill.

A new genset quote is only the start. Here is what each one costs to buy, run, and keep, side by side.

MeasureGeneratorTrue Current
To buy
Equipment, with sound shield$10,000 to $14,000Fixed quote after sizing
Install$2,000 to $6,000+In the same quote
Removal of old unitExtraIncluded
To run, one 10-hour night
Fuel4 to 7 gal0 gal
Engine hours10 h0 h
Hours of A/CAs long as fuel lasts8 to 14 h per charge, one A/C
Noise63 to 72 dB at 7 ftNo engine running
FumesExhaust and CONone
To keep
Oil and filterEvery 100 to 250 h or yearlyNone
Raw water impellerYearlyNone
Dockside oil service$150 to $300 eachYearly connection check
Expected life6,000 to 14,000 h before overhaul4,000 to 6,000 cycles to 80%
Your season

How many nights do you spend at anchor?

20 nightsGeneratorTrue Current
Fuel80 to 140 gal0 gal
Generator hours200 h0 h
Fuel cost at $5.80 / gal$464 to $812$0
Oil changes1 or moreNone

Generator figures: industry averages for a typical 8 kW marine diesel, 10 hours a night. Your quote uses your boat's numbers.

The replacement quote

What a new genset quote usually leaves out

Extra

Exhaust and through-hulls

A new genset often needs new exhaust work and fittings.

$10 to $20 / ft

Haul-out

Some installs need the boat out of the water.

$150 to $300

Every oil service

Dockside, each time. Plus fuel, filters, and a yearly impeller.

Weeks

Lead time

Weeks of waiting for the unit, often mid-season.

By consultation only

Get your boat's numbers in writing.

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