From: Robert Berman [mailto:bermaneconomics@gmail.com]

Sent: Tuesday, December 13, 2011 6:07 AM

To: Meyers, Aaron

Cc: Katie Coughlin; Chris Bolduc; Richard Parker; Alex Hofmann; Andrew Delaski; Aris Marantan; Art

Rosenfeld; Bob Saint; Bob Smith; Brenda Edwards; Brian Coffey; Caitlin Johnson; Carlos Gaytan; Caskey,

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Matthew Nardotti; Maxine Savitz; Meg Waltner; Mich ael Hyland; Michael Rivest; Millure, Dave; Pamela

Costello; Phil Harter; Phil Hopkinson; Polinski, Ra ymond; Puesh Kumar; Rick Anderson; Rob Greeson;

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Luo; Miller.Michael-R

Subject: Re: MVLI LCC & NIA - Loading Information



### Aaron,

My understanding is that the distribution of load s used by LBNL is a national distribution. As

such, the distribution would include loads for th e customers in Wisconsin and Michigan's upper

peninsula, but would not mirror those loads. As the standard is a nationa l standard, it would be

inappropriate to base the standard on the load in a single area. Accordingly, it does not seem that

a national impact analysis based based on the loads in a relatively small, isolated area would

provide useful information.



### Regards,

Robert A. Berman, Principal

Berman Economics

www.BermanEconomics.com

1915 Grand Court

Vienna, VA 22182

703

‐ 281

‐ 0490

703

‐ 655

‐ 8398 (cell)

BermanEconomics@gmail.com

On Dec 12, 2011, at 3:29 PM, Meyers, Aaron wrote:

Dear Chris,At the last liquid

‐ immersed distribution transformer working group meeting, we were chatting about

the loading assumptions that were built into the LCC model. You had commented that there was very

little actual loading information from which to build the model, especially as it pertains to commercial &

industrial as well as larger kVA single

‐ and three

‐ phase units (larger single phase pole mount units are

often ganged to provide three phase service), so the loading information that was available was scaled

across everything. You had stated that you would appreciate any actual loading information that I could

provide.

Below I’ve pasted the loading information provided by We Energies. We Energies serves over 1 million

customers in Wisconsin and Michigan’s Upper Peninsula. The data is quite recent and therefore, should

be relevant.

These values are more in line with the information that other utilities had provided during verbal

interviews. Armed with this information, how difficult would it be to run life

‐ cycle cost and national

impact analysis with these loading levels instead of the 25

‐ 30% load distributions used previously?

Thanks and Best Regards,

Aaron

From: Miller.Michael-R [ mailto:Michael-R.Miller@we-energies.com ]

Sent: Monday, December 12, 2011 12:55 PM

To: Meyers, Aaron

Cc: Corkran, Jerry L; Zell, Russell

Subject: RE: Load Factors for DOE evaluation



### Aaron,

In 2008 we established new A and B factors. At that time we relooked at our load factors in

order to determine the most accurate A and B factor s we could. We used customer data from our

metering group as well as our company design practices to establish these f actors and they are as

follows:

1-phase 3-phase

42% loaded 55% loaded

If there are further questions on these please let me know.

Mike Miller