Annapolis, Maryland
Winter storage rows that earn instead of idle
A 310-vessel storage yard where hulls sit for six to nine months. Stored electric propulsion packs became a winter frequency-response resource.
30 minutes, no cost — pick a time after a few property questions.
Scale
310 storage positions
Service
Three-phase, upgraded 1200A service
V2G enabled
72 bidirectional storage bays
The starting point
- Stored electric vessels needed maintenance charging all winter with no way to bill it accurately.
- The yard had spare three-phase capacity but no revenue path for it in the off-season.
- Nor'easter outages repeatedly knocked out the travel lift and yard lighting.
The build
Phase 1
Service audit
GridLinq mapped every storage row against the existing three-phase distribution to find the 72 bays worth electrifying first.
Phase 2
Bidirectional bays
Storage bays received bidirectional connections with per-vessel state-of-charge floors so owners always return to a full pack.
Phase 3
Frequency response
Aggregated packs were enrolled in a fast frequency-response product that pays for availability, not just discharge.
Phase 4
Islanding
The travel lift, yard lighting and service shop were placed on an islandable circuit backed by stored vessel capacity.
Results
$44k
Off-season availability payments
9 hrs
Longest outage ridden through on stored capacity
100%
Vessels returned at or above owner charge floor
Measured outcomes
Measured against a twelve-month pre-V2G baseline at Cedar Point Boatyard.
| Metric | Before | After V2G | Change |
|---|---|---|---|
| Off-season electrical cost | $31,000 | $4,200 net | -86% |
| Availability payments | $0 | $44,000 / winter | new line item |
| Maintenance charging billed | Unbilled | $0.31 / kWh recovered | +$16k |
| Outage runtime for travel lift | 0 hrs | 9 hrs | +9 hrs |
Key project metrics
- Annual value
- $60,000 revenue plus avoided cost
- Capital required
- $118,000 service upgrade, 70% program-funded
- Payback
- 11 months on the yard's share
- Time to value
- 1 winter season to full enrollment
Want these numbers modeled for your own year-round dry storage + service yard? We build the baseline from one utility bill.
Model my property"The boats are here anyway from October to April. Getting paid for capacity that was just sitting in the yard changed how we price winter storage."
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GridLinq
Boat storage$44k off-season availability payments
Cedar Point Boatyard — Annapolis, Maryland
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Boat storage facility
Request a proposal
Get a written scope and economics modeled on this year-round dry storage + service yard build for your own property.
Ready to see this on your property?
Book a 30-minute assessment call. We review your service capacity, dwell time and utility programs, then map the same build for Cedar-style sites.
Schedule my assessment callNot sure yet? Check your V2G eligibility first