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Fuji Electric installs 25 kW DC Quick Charger in Manhattan; EV Connect lands NY state charging contract

4 June 2014

Fuji Electric Corp. of America announced the installation of a 25kW DC Quick Charger for Electric Vehicles at the Edison ParkFast’s Hippodrome location, located in Midtown Manhattan. The publicly available station provides a complete charge to electric vehicles in less than one hour.

As the first quick charger in New York City on the ChargePoint network, the project marks a milestone for Midtown Manhattan and EV owners who have voiced the need for locally available charging infrastructure. ChargePoint is the largest and most open EV charging network in the US with more than 17,000 charging ports.

Green Power Technology, Fuji Electric’s distributor in the Northeast was responsible for the sale, installation and ongoing maintenance of the charger, with the Edison ParkFast installation one of 13 total stations installed under the Nissan Advantage program. The program was designed to spur adoption of electric vehicles by developing charging infrastructure in areas such as Maryland, Vermont, Massachusetts, and New York City.

Separately, EV Connect announced it has been awarded a four-year, $1,568,108 value contract from the New York Power Authority (NYPA) for the deployment and management of more than 100 EV charging stations in 37 locations throughout New York State.

These EV charging stations will operate on EV Connect’s open charging network and provide NYPA and its customers with real-time charge station monitoring, electricity usage, payment processing, reporting, demand response capabilities, and more. EV Connect’s management services will also eliminate NYPA’s need for hands-on charging station operations and driver support functions.

The new EV charging stations are part of the Charge New York Initiative, introduced in 2013. New York aims to establish a statewide network of up to 3,000 EV charging stations within the next several years.

The EV charging stations will be rolled out in three phases; stations in Phase 1 are alreadybeing installed.

June 4, 2014 in Brief | Permalink | Comments (3) | TrackBack (0)

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Those intermediate size (25 KW) EV charging stations would be appropriate at restaurants, shopping malls, cinemas and other similar places where EV users normally stop-stay for 1+ hour.

Larger chargers (up to 200 KW) will be required for Highway quick stops.

Smaller chargers (10 KW) could be installed at work places, suburban train parking and at overnight hotels-motels where users normally stay for 7+ hours.

I really wish these groups would stop installing just a single QC station. With any decent level of use, you can expect users to find it busy very often, which significantly degrades it's usability as you have no idea whether you have to wait a few minutes or an hour to plug in. Once Tesla releases their CHAdeMO adapter, they could hog one of these stations for two hours or more!

Ideally you'd very rarely have to wait. Let's say you want to maintain only a 10% chance of having to wait - that means you can only support charging for about 2.4 hours / day. Given that usage is typically highly biased towards ~12 daylight hours, in reality that means only about half that amount of usage, or a bit over an hour. If a typical charge is 30 minutes, that's only two charges a day!

One can use an Erlang-B calculation to estimate how many more cars one could charge with the addition of multiple charging stations.

With the same blocking ratio (10%) adding a second charging station would allow over 6 hours of usage in 12 hours or 12 charges a day!

That's 6 times the utilization rate with the same chance of having to wait and at an install cost that is incremental compared to the cost of installing a single station.

I first heard of applying the Erlang-B formula to charging stations on the TeslaMotorsClub forum, read more details there: http://goo.gl/eiOcvN

A few (rare) restaurants, motels, hardware stores and public-private parking lots already have 2 or 3 charging spots. More will certainly be added as demands grow.

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