Turning an eight-month dwell season into a grid asset

The starting point

• Electricity was bundled into slip fees, so the marina absorbed every kilowatt-hour of shore power.
• A growing fleet of electric and hybrid cruisers pushed the C dock loop close to its service limit.
• Summer afternoon demand charges were the single largest line item on the utility bill.

The build

1. Phase 1

   Metering first

   Every pedestal was submetered before any bidirectional hardware landed, giving the marina a real baseline within one billing cycle.

2. Phase 2

   Pilot on C dock

   Sixteen bidirectional pedestals went onto the longest-dwell loop, where boats stay connected from May through October.

3. Phase 3

   Program enrollment

   Aggregated slip capacity was enrolled in the utility's summer peak-shaving program with GridLinq handling dispatch and settlement.

4. Phase 4

   Full-season expansion

   Twenty-four more pedestals were added the following spring, funded entirely out of first-year program revenue.

Results

Measured outcomes

Measured against a twelve-month pre-V2G baseline at Northpoint Marina.

Key project metrics

Annual value

$83,000 combined revenue and avoided cost

Capital required

$0 from the marina — GridLinq funded

Payback

Immediate — cash positive in month one

Time to value

14 weeks from survey to first dispatch

"We were paying for power our slip holders used and getting nothing back. Now the boats sitting on C dock are the most productive thing on the property in August."