GerryAZ
Gold Member
Posts: 3417
Joined: Mon Nov 22, 2010 6:47 pm
Delivery Date: 12 Jun 2011
Location: Phoenix, AZ

Re: Living in Apartment Building - Charging questions

The new BC Hydro rates for DCFC are much cheaper than what EVgo charges in Arizona (but still much more expensive than charging at home). I found that actual DCFC charging rates were similar for my 2011 and 2015. My experience was that battery deterioration does decrease the maximum DCFC charge rate as well as maximum regeneration when the battery is cold (for both 2011 and 2015), but charge rate (and regeneration) was close to normal when battery was warm. The 3.3 kW onboard charger in the 2011 and 2012 LEAF's is actually 3.3 kW to the battery (AC input power is about 3.8 kW) so the 6.6 kW onboard chargers in later cars are not twice as fast. I think the OP will enjoy the car as long as its limited range meets the need. Once they have charging at home, they will really enjoy it. The 2011 and 2012 models have some features that were deleted from later models.
Gerry
Silver LEAF 2011 SL rear ended (totaled) by in-attentive driver 1/4/2015 at 50,422 miles
Silver LEAF 2015 SL purchased 2/7/2015; traded 8/10/2019 at 82,436 miles
White LEAF 2019 SL Plus purchased 8/10/2019
Jctz1
Posts: 17
Joined: Thu Apr 14, 2022 7:04 pm
Delivery Date: 13 Apr 2022
Leaf Number: 015219
Location: General Vancouver Area, BC, Canada

Re: Living in Apartment Building - Charging questions

GerryAZ wrote: Thu Apr 21, 2022 8:36 pm The new BC Hydro rates for DCFC are much cheaper than what EVgo charges in Arizona (but still much more expensive than charging at home). I found that actual DCFC charging rates were similar for my 2011 and 2015. My experience was that battery deterioration does decrease the maximum DCFC charge rate as well as maximum regeneration when the battery is cold (for both 2011 and 2015), but charge rate (and regeneration) was close to normal when battery was warm. The 3.3 kW onboard charger in the 2011 and 2012 LEAF's is actually 3.3 kW to the battery (AC input power is about 3.8 kW) so the 6.6 kW onboard chargers in later cars are not twice as fast. I think the OP will enjoy the car as long as its limited range meets the need. Once they have charging at home, they will really enjoy it. The 2011 and 2012 models have some features that were deleted from later models.
Thanks! We really like the car so far, though I am sure everyone here tends to really like their LEAFs. I think so too! Once we have the chance to charge it at home we will really enjoy every aspect of it. Some of the tips I have found here and been told to preserve battery are super useful already, and am really thankful. Last time we charged, a couple of days ago, it seemed to charge at 1kWh every 20 minutes or so, at a level 2 station. Pricing was like $1.47 after an hour and 20 minutes of charging. My only question left is that sometimes the charger (not the car, but the app related to the public charger) counts incoming energy in Amperes. I was wondering how that translates to how much energy in kWh is coming in.
2012 Leaf SL
SageBrush
Posts: 7522
Joined: Sun Mar 06, 2011 2:28 am
Delivery Date: 13 Feb 2017
Location: NM

Re: Living in Apartment Building - Charging questions

Jctz1 wrote: Thu Apr 21, 2022 9:52 pm My only question left is that sometimes the charger (not the car, but the app related to the public charger) counts incoming energy in Amperes. I was wondering how that translates to how much energy in kWh is coming in.
watts = amperes * volts
watts * time = energy

Example:
Say the car pulls 16 Amps for 80 minutes at a public EVSE that supplies 208 v

watts = 208 * 16 = 3,328 watts = 3.328 kW
time = 80 minutes = 4/3 hours
kWh = 3.328* 4 /3 = 4.44 kWh
2013 LEAF 'S' Model with QC & rear-view camera
Bought Jan 2017 from N. Cal @ 90% SOH
Two years in Colorado, now in NM
SOL0 7/2022 @ 83% SOH
Jctz1
Posts: 17
Joined: Thu Apr 14, 2022 7:04 pm
Delivery Date: 13 Apr 2022
Leaf Number: 015219
Location: General Vancouver Area, BC, Canada

Re: Living in Apartment Building - Charging questions

SageBrush wrote: Fri Apr 22, 2022 3:55 am
watts = amperes * volts
watts * time = energy

Example:
Say the car pulls 16 Amps for 80 minutes at a public EVSE that supplies 208 v

watts = 208 * 16 = 3,328 watts = 3.328 kW
time = 80 minutes = 4/3 hours
kWh = 3.328* 4 /3 = 4.44 kWh
That's quite helpful! Thanks SageBrush!
2012 Leaf SL
alozzy
Posts: 2615
Joined: Fri Jan 20, 2017 4:25 pm
Delivery Date: 18 Jan 2017
Location: Vancouver, BC
Contact: Website

Re: Living in Apartment Building - Charging questions

Circling back to the related topic of how DC fast charging is billed (earlier in this post), Measurement Canada is going to allow per kWh billing for DC fast charging. Progress, at last!

https://driveteslacanada.ca/news/measur ... d-of-2022/

It will be interesting for Canadians to see how local electric utilities respond, as it would seem that Measurement Canada isn't enforcing the use of per kWh billing. Hopefully they recognizes that per kWh billing is the only fair system and transition ASAP.

The most fair system would be if the DC fast chargers calculate based on both time and per kWh and then bill for whichever is cheapest.

A nice bonus would be automatic switchover to time based billing, whenever charging past 90% SOC, at triple the usual cost. That would cut back on the number of people who insist on charging to 100% all the time.
Vancouver, CA owner of a 2013 Ocean Blue SV + QC, purchased 01/2017 in WA
Zencar 12/20/24/30A L1/L2 portable EVSE
1-1/4" Curt #11396 hitch
After market, DIY LED DRLs
LeafSpy Pro + Konnwei KW902 ELM327 BT OBDII dongle
Loving my first BEV :D
oxothuk
Posts: 144
Joined: Tue May 04, 2021 2:35 pm
Delivery Date: 05 May 2021
Leaf Number: 550377
Location: Colorado Front Range

Re: Living in Apartment Building - Charging questions

alozzy wrote: Mon Aug 22, 2022 8:47 pm The most fair system would be if the DC fast chargers calculate based on both time and per kWh and then bill for whichever is cheapest.
IMHO it would be fairer to bill for whichever is more expensive. You want a disincentive for folks using DC chargers to reach 100% SOC.
May 2021 - 2021 SL+ , 13K miles, 93.3% SOH
alozzy
Posts: 2615
Joined: Fri Jan 20, 2017 4:25 pm
Delivery Date: 18 Jan 2017
Location: Vancouver, BC
Contact: Website

Re: Living in Apartment Building - Charging questions

oxothuk wrote: Tue Aug 23, 2022 11:05 am IMHO it would be fairer to bill for whichever is more expensive. You want a disincentive for folks using DC chargers to reach 100% SOC.
My old LEAF charges as slow as 12 kW during winter and so it can cost a fortune to charge on cold days using per minute billing. I prefer what I mentioned in my last paragraph above as a fair solution (billing at a higher rate when the SOC >90%)
Vancouver, CA owner of a 2013 Ocean Blue SV + QC, purchased 01/2017 in WA
Zencar 12/20/24/30A L1/L2 portable EVSE
1-1/4" Curt #11396 hitch
After market, DIY LED DRLs
LeafSpy Pro + Konnwei KW902 ELM327 BT OBDII dongle
Loving my first BEV :D

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