Marina Boat Slip Utility Cost Calculator

Shore power costs can add up over a boating season. Enter your typical amp draw, hours connected per day, and your marina's electricity rate to estimate your monthly shore power bill.

Estimated Monthly Shore Power Cost
kWh Per Day
kWh Per Month
Estimated Monthly Cost

About this calculator

Estimate monthly shore power electricity costs for your boat at a marina slip based on amperage, hours connected, and local utility rates.

Frequently Asked Questions

How much power does a boat typically draw at the dock?

Depending on onboard systems like AC, battery chargers, and refrigeration, boats typically draw between 10-30 amps continuously while plugged into shore power.

Do marinas charge separately for electricity?

Many marinas include shore power in slip fees up to a limit, then charge metered rates beyond that, while others bill electricity separately from the start.

How can I reduce my shore power costs?

Using energy-efficient appliances, running climate control less frequently, and unplugging non-essential systems when not aboard can meaningfully reduce shore power costs.