I have always thought that one of the biggest problems with EVs is that
it is difficult to make charging infrastructure profitable. Any
reasonably profitable markup on electricity would be outrageous from a
consumer perspective. Any investment into a small number of stations
does not sufficient spread the risk. There is a high probability that
maintenance costs will eat most, if not all, potential profits.
In this particular case I would highly advise against spending $50k for
a L3 charger at a co-op. L3 charging is more for long distance travel,
not opportunity charging. I suspect most people are not driving
extended distances to shop for groceries.
A better strategy might be to install 6 L2 chargers for 1/10th the total
cost and allow shoppers to charge for free. The additional 20 miles
added per hour should be beneficial to most shoppers. And if an
occasional shopper needs more range they can sit for a meal at the
deli. The extra Balsamic Pesto sandwich they sell should cover the cost
of electricity.
As a big supporter of both EVs and co-ops, spending so much money on a
non-core service that comes with additional risks and marginal upside
just doesn't make any sense to me. To be honest, the better solution
would likely be to partner with an existing company who can take all the
risks and deal with payments. The co-op should just reap the benefits
of having some shoppers spend more time and money in the store.
-Brandon
On 8/19/19 6:12 PM, Peri Hartman via EV wrote:
That's pretty optimistic thinking. You have to take into account how
long a driver is willing to wait for a charger to become available. I
would guess in the *best* of circumstances that would result in a 50%
occupancy rate. But of course some times of day would be in more or
less demand than others.
Another factor is that some of the time is the user authorizing his
account, plugging in the cable, and unplugging and moving the car when
done. You don't get revenue during those times.
Third, if someone goes past about 80% charge, the trickle charge
should start and you get substantially less revenue.
I believe anyone who installs an L3 should expect it to be a loss and
plan on recouping it with associated business.
Peri
------ Original Message ------
From: "paul dove via EV" <[email protected]>
To: [email protected]
Cc: "paul dove" <[email protected]>; "jim" <[email protected]>
Sent: 19-Aug-19 1:06:04 PM
Subject: Re: [EVDL] Public station, private ownership?
If there were a car plugged into all three for 10 hours a day that
would be $160 to $175 at $0.20 per KWh. Assuming cost of $0.10 a KWh
that would take two years to get back the investment with no
maintenance costs.
Those are big if's..... but then it would be $25k a year income. I've
never seen chargers that busy around here but maybe in California.
On Monday, August 19, 2019, 1:18:41 PM CDT, jim via EV
<[email protected]> wrote:
Locally (Menomonie, WI, about an hour east of St Paul, MN) our food
co-op and an electric car owner/investor are hoping to install two
level 2 and a 75kW level 3 charging stations at the co-op storefront
location. They are figuring on about $50,000 by the time it is
functional (most of the cost due to the level 3 charging). I'm not
sure how payment for charging will be done, but I thought that the
total estimated cost that they are assuming was interesting.
Jim Erdman, in Menomonie, WI
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