Gridline
AvailableEV charging station in Seattle, Washington on the AmpUp network — 10 Level 2. US DOE AFDC station 421544.
At a glance
Gridline is a public EV charging station at 1421 Harvard Ave in Seattle, Washington, on the AmpUp network. It has 10 charging ports (10 Level 2) with J1772 connectors. The US DOE registry lists it as available, open since Apr 9, 2024.
Station record
DOE registry record
| Field | Value |
|---|---|
| AFDC station ID | 421544 |
| Network | AmpUp |
| Status | Available (E) |
| Access | Public |
| Facility | Multi-unit dwelling |
| Open date | Apr 9, 2024 |
| Last updated at source | Oct 2, 2026 |
Plugs
Connectors & pricing
- J1772 — The standard Level 1/2 AC connector.
Pricing: not listed in the DOE registry.
Location
- Address
- 1421 Harvard Ave
- City
- Seattle
- State
- Washington
- ZIP
- 98122
- Coordinates
- 47.61343, -122.32249
Within ~15 km
Nearby charging
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- Google24 ports
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- Google24 ports
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- Avenue 5 - Tesla Destination21 ports
Tesla Destination · Available
What kind of charging does Gridline offer?
Of its 10 ports, 10 are Level 2. Level 2 ports are 240-volt AC chargers, typically used where a car is parked for an hour or more. That is about 3.4 times the Washington average of 3 ports per station. The registry lists one connector type: J1772, the standard Level 1/2 AC connector. The site is listed as a multi-unit dwelling location.
How does Gridline compare with other stations in Seattle?
Seattle has 679 charging stations in the DOE registry with 1,890 ports, the most of 244 cities and towns in Washington. Gridline accounts for under 1% of the charging ports in Seattle. AmpUp runs 5 stations in Seattle. Statewide, Washington has 3,447 stations and 10,216 ports, the 6th-largest station count of the 51 states and DC. The biggest station in Washington, Pasco Wa Sdc in Pasco, has 144 ports.
Who operates Gridline?
AmpUp operates 1,322 stations in the registry across 47 states, with 18 DC fast and 5,339 Level 2 ports in total. 12 of those stations are in Washington, under 1% of the state's 3,447.
What does the “Available” status mean?
“Available” means the station is open and in service according to the DOE registry. Its access code is public, meaning it is listed as open to any driver. It opened on Apr 9, 2024, one of 456 stations in Washington with a 2024 open date. The station's record was last updated at the source on Oct 2, 2026.
Frequently asked questions
How many chargers does Gridline have?
Gridline has 10 charging ports: 10 Level 2.
Does Gridline have DC fast charging?
No. The registry lists no DC fast ports here; its 10 ports are all Level 2.
What connectors does Gridline have?
Gridline has J1772 connectors.
Is Gridline open to the public?
Yes. Gridline is listed with public access, and its status is available.
Where is Gridline?
Gridline is at 1421 Harvard Ave, Seattle, WA 98122. Its coordinates are 47.61343, -122.32249.
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Dataset updated . Source: US DOE Alternative Fuels Data Center station 421544, weekly full pull.
About this data
Source: US Department of Energy Alternative Fuels Data Center (AFDC) station registry, as published October 12, 2026 — ChargeCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: ChargeCensus, “Gridline, Seattle, WA (AFDC station 421544)”, https://chargecensus.com/stations/washington/gridline-421544 (data as of October 12, 2026).