BNL Employee Electric Vehicle Charging Program users group

["Van Buren, Gene" <gene AT bnl.gov>]

Minor correction....

> On Sep 27, 2021, at 3:33 PM, Van Buren, Gene <gene AT bnl.gov> wrote:
> 
> Hi, fellow EV users
> 
> It's been a while since I've posted here, but I'd like to make sure all of 
> you are aware of the article in today's Monday Memo:
> https://intranet.bnl.gov/memo/news.php?a=219158
> 
> ...and the informative EV Charging website

https://www.bnl.gov/staffservices/evc-program.php
(public version that works outside the BNL network)

> 
> 
> In particular, the new Level 2 charging on the south side of Chemistry 
> (Bldg. 555),  the north side of the ISB (Bldg. 734), and the southwest side 
> of NSLS II (Bldg. 744) are now available for use via ChargePoint during the 
> hours of 7am-5pm, for a competitive rate which is in the $0.19 - $0.20 / 
> kWh range (I'm not yet sure whether the stations prevent charging outside 
> of these hours, or whether that will be regulated by observation as has 
> been the case for improper Level 1 usage). Please also note that while 
> there is another charging station at the DOE site office (Bldg. 464), it is 
> not part of the EVCP - do not park & charge there. Also, keep in mind that 
> government plug-in vehicles will have priority for station usage, and that 
> it is in the Lab's plans to increase its plug-in vehicle fleet (though I 
> cannot speak to whether the Lab will commensurately install additional 
> charging stations with the fleet growth).
> 
> I believe the Level 2 charging stations offer 6.2 kW of power total, 
> delivering up to 30 Amps at 208 V. My understanding is that this power is 
> divided between the two charging ports that are available on each station. 
> So if two vehicles are simultaneously charging, that may only be 3.1 kW (15 
> Amps at 208 V) to each vehicle. Most vehicles taper off their current draw 
> when batteries are close to being fully charged, so it might be possible 
> for the split not to be evenly divided between the two ports under some 
> conditions. Regardless, the rates are per kWh, not per time spent charging, 
> and that's still considerably better than the maximum delivered by Level 1 
> charging.
> 
> I do realize this is a finite additional charging capability, which may not 
> see much competition while a large fraction of the BNL workforce is working 
> remotely, but may show its limitations as the workforce returns to BNL 
> eventually and people buy more plug-in vehicles. Remember, if you find 
> you're competing with other users for the same charging service at the same 
> time of day, please try to work out a mutually beneficial arrangement by 
> contacting the other user(s), perhaps via this list or by asking me for 
> help if you're unsure how to reach the person yourself. It remains 
> worthwhile to show that we can behave respectfully and responsibly with a 
> benefit that can be taken away if it creates issues between personnel.
> 
> Thanks,
> -Gene