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Grid Technology Pathways Could Drive the U.S. West Coast Power System's Exposure to Hydrometeorological Uncertainty.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Grid Technology Pathways Could Drive the U.S. West Coast Power System's Exposure to Hydrometeorological Uncertainty./
Author:	Wessel, Jacob Alexander.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
Description:	83 p.
Notes:	Source: Masters Abstracts International, Volume: 83-01.
Contained By:	Masters Abstracts International83-01.
Subject:	Sampling techniques. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28552584
ISBN:	9798522941338

Grid Technology Pathways Could Drive the U.S. West Coast Power System's Exposure to Hydrometeorological Uncertainty.
Wessel, Jacob Alexander.

Grid Technology Pathways Could Drive the U.S. West Coast Power System's Exposure to Hydrometeorological Uncertainty. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 83 p.

Source: Masters Abstracts International, Volume: 83-01.

Thesis (M.Sc.)--North Carolina State University, 2021.

This item must not be sold to any third party vendors.

Previous studies investigating deep decarbonization of bulk electric power systems and wholesale electricity markets have not sufficiently explored how future grid pathways could affect the grid's vulnerability to hydrometeorological uncertainty on multiple timescales. Here we employ a grid operations model to "stress test" an ensemble of future grid pathways for the U.S. West Coast using an expanded synthetic weather dataset. Our results show that gradual changes in the underlying capacity mix from 2020 to 2050 can cause significant "re-ranking" of weather years in terms of annual wholesale electricity prices (with "good" years becoming bad, and vice versa). Nonetheless, we find the highest and lowest ranking price years in terms of average electricity price remain mostly tied to extremes in hydropower availability (streamflow) and load (summer temperatures). Seasonal dynamics seen today involving spring snowmelt and hot, dry summers remain well-defined out to 2050. In California, future supply shortfalls are greatest under future pathways involving widespread vehicle electrification, and are concentrated in the evening and occur mostly during periods of high temperature anomalies in late summer months and in late winter; in the Pacific Northwest, these shortfalls are much more strongly tied to negative streamflow anomalies. We also find that the ratio of dispatchable thermal capacity to wind and solar seen in existing capacity expansion models may significantly underestimate the levels required to ensure grid reliability under stationary hydro meteorological uncertainty.

ISBN: 9798522941338Subjects--Topical Terms:

3685918
Sampling techniques.

Grid Technology Pathways Could Drive the U.S. West Coast Power System's Exposure to Hydrometeorological Uncertainty.
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