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Starting tomorrow, more than 100 cities across the U.S. will take part in the sixth annual National Drive Electric Week.

Scheduled for September 10 through 18, the event is composed of numerous local gatherings that celebrate and promote electric cars.

The EVgo charging network plans to join in on the festivities in a big way by offering free electric car charging to members throughout the week.

Anyone with a valid EVgo charging card can plug in gratis at any of the network’s roughly 1,000 charging sites, which cover over 50 metropolitan markets.

That tally includes about 700 sites that offer DC fast charging and includes charging stations compatible with both the CHAdeMO standard and the Combined Charging Standard (CCS).

NRG eVgo Freedom Station at Whole Foods Market, Fremont, California

Earlier this year, EVgo split from utility company NRG as part of a larger effort by NRG to cut costs and refocus on its core electricity-generation business.

EVgo continues to receive some funding from NRG, and, in May, the newly independent EVgo also secured a significant investment from Vision Ridge Partners.

As a standalone company, EVgo is continuing its mission of expanding electric car charging infrastructure. It is also courting new customers, and it’s hard to think of a better way to do that than by participating in National Drive Electric Week.

The event started in 2011 as National Plug-In Day and continues to be run by advocacy group Plug In America, the Sierra Club, the Electric Auto Association, and various smaller local groups.

2016 Nissan Leaf SL fast-charging at NRG evGo Freedom Station, Hudson Valley, NY, Dec 2015Organizers anticipate 223 events in the U.S., Canada, Croatia, Denmark, Hong Kong, Italy, and New Zealand.

Events include everything from electric car rallies and test drives to information sessions covering relevant topics.

A full list of events (searchable by ZIP code) is available on the National Drive Electric Week website.

If you’ve got an electric car and an EVgo charging card, consider making the trip to one of these events. You’ll have a chance to chat with fellow enthusiasts and to get a free charge, as well.

This story originally appeared on Green Car Reports. Copyright 2016

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