What ChargerGrade did Mariner North Copper Harbor receive?

Mariner North Copper Harbor received a D, or 42 out of 100, under the published resilience formula.

How many DC fast ports are listed at Mariner North Copper Harbor?

The September 16, 2026 AFDC snapshot lists 2 DC fast ports at this location.

Does ChargerGrade measure charger uptime?

No. ChargerGrade measures recorded redundancy and fallback strength; it does not have station-level session success or historical uptime data.

Mariner North Copper Harbor Charger Reliability & Backup Grade

Mariner North Copper Harbor

This public DC fast-charging location received grade D (42/100) from 2 listed ports, 1 alternative site within 10 miles, access hours, connectors, and the September 16, 2026 AFDC snapshot.

255 Gratiot St, Copper Harbor, MI 49918

This station earns a D because its physical redundancy and nearby fallbacks are limited. This is a resilience estimate—not measured uptime.

THE INSPECTION CARD

Why Mariner North Copper Harbor scored 42

Mariner North Copper Harbor received grade D (42/100) from 2 listed DC fast ports, 1 nearby fallback site, 1 other nearby network, and no explicit 24/7 listing.

Official statusAvailable20/20

Port redundancy2 DC fast ports6/25

Around-the-clock accessNot listed as 24/70/15

Nearby fallbacks1 site within 10 miles3/15

Network diversity1 other network within 25 miles2/10

Connector coverageCCS5/10

Record freshnessUpdated 0 days before snapshot5/5

Before you drive

AFDC is a planning dataset, not a live operations feed. Confirm connector compatibility, pricing and current availability in the operator’s app.

Fast-charging fallbacks near Mariner North Copper Harbor

AFDC lists 1 alternative DC fast-charging site within 25 straight-line miles of Mariner North Copper Harbor; the nearest listed alternative is 0.0 miles away.

Station	Distance	Capacity	Status
The Mariner North ResortNon-Networked	0.0 mi	1 port	Available