[LDES-coremodel] Battery storage cost projections

[Sarah Kurtz]

Hi, Kenji,

This is a super nice summary.

I’m getting somewhat different results from the ATB.

First, we might talk about whether 7% is still the right number for the discount rate.
But, when I annualize the ATB numbers, I get substantially lower numbers than you do.  I wonder if we are using different versions.
I see Capex in $/kW for 4 hr battery and 2 hr batteries in cells M10 to AR16.
Then, I see that someone has used those numbers to derive both $/kWh and $/kW with those being listed in cells AX10 through something like BT22.
If I use the 4 hr battery numbers I get something like what you get, but if I use the $/kWh and $/kW that are on the far right, I get different numbers.

Sarah

From: LDES-coremodel <ldes-coremodel-bounces at lists.ucmerced.edu> on behalf of Kenji Shiraishi <kenjis at berkeley.edu>
Date: Tuesday, September 22, 2020 at 11:40 PM
To: "ldes-coremodel at lists.ucmerced.edu" <ldes-coremodel at lists.ucmerced.edu>
Subject: [LDES-coremodel] Battery storage cost projections

Hi all,

I have summarized the battery storage cost projection of NREL ATB 2020 as attached.
It would be great if you could skim it before our regular meeting.

Based on their scenario description, Moderate scenario seems appropriate as the base case scenario of SWITCH. Costs in Moderate scenario is about 2/3 of current SWITCH model. It is partly because of the difference in lifetime (ATB assumes 15 years, while SWITCH assumes 10 years.)

The costs inputs of RESOLVE are much lower than those in Advanced scenarios of ATB. I would like to talk about the units of the cost inputs in the next meeting.

Best regards,
Kenji

---
Kenji Shiraishi

Researcher,
Renewable and Appropriate Energy Laboratory (RAEL)
450 Sutardja Dai Hall
Ph.D. student, Goldman School of Public Policy (GSPP)
University of California, Berkeley

https://rael.berkeley.edu/people/shiraishi-kenji/
https://www.kenjishiraishi.com/
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