[Oeva-list] Oeva-list Digest, Vol 114, Issue 26

Dave Morgan dave at newslincolncounty.com
Tue Apr 16 15:04:19 PDT 2013


Please unsubscribe the following email:  Dave at NewsLincolnCounty.com

I get a headache just trying to read it.  I'm sure you guys are doing a good job, but this service is NOT user friendly.


On Apr 16, 2013, at 2:58 PM, oeva-list-request at oeva.org wrote:

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> Today's Topics:
> 
>   1. Re: Oeva-list Digest, Vol 114, Issue 25 (Mike Butts)
>   2. Re: Oeva-list Digest, Vol 114, Issue 25 (Alan Batie)
>   3. Re: Oeva-list Digest, Vol 114, Issue 25 (phil hochstetler)
>   4. my first solar year with Leaf EV, solar PV, and TOU (Gary Graunke)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Tue, 16 Apr 2013 13:15:20 -0700
> From: Mike Butts <mbutts at ieee.org>
> Subject: Re: [Oeva-list] Oeva-list Digest, Vol 114, Issue 25
> To: OEVA <oeva-list at oeva.org>
> Message-ID:
> 	<CAJ9h2-UW-SM7UPQjC_UzFgkUW2nfxKq0v69CFnb-9bsjceVoDA at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> 1) The link to the OEVA-list archive
> http://www.rdrop.com/pipermail/oeva-list is returning "403 Forbidden". Fix
> please?
> 2) In the short-term, would someone please post the link to the Sunday
> Oregonian, 1915: "Driving Electric on the Columbia Highway" article? It got
> scrubbed from the Digest email. Thanks!
> 
>  --Mike
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> ------------------------------
> 
> Message: 2
> Date: Tue, 16 Apr 2013 13:49:52 -0700
> From: Alan Batie <alan at batie.org>
> Subject: Re: [Oeva-list] Oeva-list Digest, Vol 114, Issue 25
> To: oeva-list at oeva.org
> Message-ID: <516DB970.70105 at batie.org>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> On 4/16/13 1:15 PM, Mike Butts wrote:
>> 1) The link to the OEVA-list
>> archive http://www.rdrop.com/pipermail/oeva-list is returning "403
>> Forbidden". Fix please?
> 
> This has been fixed
> 
>> 2) In the short-term, would someone please post the link to the Sunday
>> Oregonian, 1915: "Driving Electric on the Columbia Highway" article? It
>> got scrubbed from the Digest email. Thanks!
> 
> I've put a copy up at http://www.oeva.org/upload/oregonian-19150613-p6.pdf
> 
> 
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> ------------------------------
> 
> Message: 3
> Date: Tue, 16 Apr 2013 14:21:37 -0700
> From: phil hochstetler <phil.hochstetler at gmail.com>
> Subject: Re: [Oeva-list] Oeva-list Digest, Vol 114, Issue 25
> To: OEVA <oeva-list at oeva.org>
> Message-ID:
> 	<CAG0GNwg8q==gGd8rTVi4fS3zYgP7fJKhYzB1=bxMKotN69jBLA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
> 
> It is now linked from the home page (www.oeva.org) in the section
> "Suggested Viewing" / "Electric Vehicles".  Thanks Alan.
> 
> Phil H.
> 
> 
> On Tue, Apr 16, 2013 at 1:49 PM, Alan Batie <alan at batie.org> wrote:
> 
>> On 4/16/13 1:15 PM, Mike Butts wrote:
>>> 1) The link to the OEVA-list
>>> archive http://www.rdrop.com/pipermail/oeva-list is returning "403
>>> Forbidden". Fix please?
>> 
>> This has been fixed
>> 
>>> 2) In the short-term, would someone please post the link to the Sunday
>>> Oregonian, 1915: "Driving Electric on the Columbia Highway" article? It
>>> got scrubbed from the Digest email. Thanks!
>> 
>> I've put a copy up at http://www.oeva.org/upload/oregonian-19150613-p6.pdf
>> 
>> 
>> 
>> _______________________________________________
>> Oeva-list mailing list
>> Oeva-list at oeva.org
>> http://www.rdrop.com/mailman/listinfo/oeva-list
>> 
>> 
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> ------------------------------
> 
> Message: 4
> Date: Tue, 16 Apr 2013 14:58:33 -0700
> From: "Gary Graunke" <gary at whitecape.org>
> Subject: [Oeva-list] my first solar year with Leaf EV, solar PV, and
> 	TOU
> To: <Oeva-list at oeva.org>
> Message-ID: <000f01ce3aed$8a6702f0$9f3508d0$@whitecape.org>
> Content-Type: text/plain; charset="us-ascii"
> 
> Just over a year ago I switched to TOU rates-three months after I began
> operating my new PV array on my garage.
> 
> My primary EV was my 2011 Nissan Leaf, though the last month I also drove my
> 2013 Tesla model S-paying for all those trips to Corvallis and back on one
> charge. I put nearly 1000 miles per month on the Leaf, but nearly half was
> in long trips, where I obtained free charging. The heavier Tesla uses
> electricity to heat or cool the battery even when it is not driven, but
> otherwise is rated at 89 mpge vs the 99 mpge of the Leaf.
> 
> The solar PV array is 20 245W Solarworld panels feeding two inverters. It is
> facing southwest rather than directly south, so its efficiency is only 85%
> of ideal for a fixed mounted array. It has a separate meter to count
> electricity generated, but not by time period. The installation cost me
> ~$7000 after Energy Trust and federal and state tax credits. 
> The site survey estimated that it would generate 4363 KWH annually, but the
> meter difference from April through March is 5479. 
> 
> My single level, C-shaped house was built in 1976-long before we cared much
> about energy efficiency. However, it has been retrofitted as much as the
> usual commercial folks do-no radical improvements. It has a 30+ year solar
> hot water system backed up by electricity (now on timers to only heat during
> off-peak). The backup hot water is mostly used in the winter. The house has
> natural gas heat and a heat pump for AC and heat (but I mostly use natural
> gas during the winter). 
> 
> Over the year I used 9244 KWH of electricity, 7268 KWH from the grid (796
> on-peak, 1405 mid-peak, 5067 off-peak) and 1976 KWH directly from the panels
> (435 on-peak, 1239 mid-peak, 302 off-peak). The remaining 3503 KWH generated
> was fed into the grid, 771 on-peak, 2196 mid-peak, and 536 off-peak
> (Sundays-not at night). 
> 
> My non-TOU bill would have been $483.74 for the year, but my TOU bill was
> $406.48, a savings of $77.26. Of this, approximately $121.44 is the base
> charge, credits, taxes, etc. (The grid is a nice battery I can rent for
> $10.12 a month). The electricity charges would have been $362.30 for
> non-TOU, and the on-peak TOU cost was $26.42, mid-peak $57.94, and off-peak
> $238.79 for a total of $285.04. So TOU saved me $77.26. 
> 
> The TOU rate has some interesting complications. PV electricity is counted
> as generated on-peak, but is used to offset (in order) on-peak, mid-peak,
> and off-peak consumption. PGE gained $25.76 from my generating during high
> demand times and consuming during low demand over a system where separate
> TOU balances are maintained for each TOU period. In this hypothetical
> system, I would have ended the year with balances of 16 of on-peak KWH, 791
> of mid-peak KWH, and zero off-peak. (Of course, in net metering any annual
> balance is contributed to the fund for those who can't pay their bills each
> March, so the real system is better for me-I did not forfeit any remaining
> balance). So PV with net metering is not a zero-sum game-we both benefit.
> (This shifting in production and demand is called peak shaving and valley
> filling).
> 
> The value of the PV generated electricity directly used would have been
> $200.15 under non-TOU, but under TOU it was $300.61. So TOU enhanced the
> value of my PV system by another $100 just from direct use. Looking at it
> another way, the retail value of the electricity under non-TOU would have
> been $554.97, but it was $709.68 under TOU. So it returns 10% ROI less 3.33%
> depreciation (PV life of 30 years) or 6.66% tax free interest equivalent for
> very low risk-backed by the full faith and credit of the sun. The PV energy
> efficiency of converting sunlight to miles on my Leaf is 20% * 80% = 16%--an
> order of magnitude better than biofuels.
> 
> Bottom line: PV and EV are a great combination. For the after tax investment
> of the Leaf, $25000, and PV system, $7000, I spent only $406 for over 11000
> miles of travel and all the electrical needs of my house, including winter
> hot water.  
> 
> Going forward, the Tesla will consume more electricity than the Leaf, the
> road tax cometh, and DCQC stations will charge for electricity (though the
> free Tesla supercharging is somewhat supported by warranty maintenance fees
> relative to the Leaf's amazing $20/year). But I'm still way ahead of paying
> well over $770 for gasoline (Prius at 50 mpg, $3.50/gal), and my home
> electricity bill is thrown in for free.
> 
> Live long and prosper!
> 
> Gary
> 
> 
> 
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> End of Oeva-list Digest, Vol 114, Issue 26
> ******************************************

Dave Morgan
Dave at NewsLincolnCounty.com
541-351-1408

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