Electric utility valuations of investments to reduce the risks of long-duration, widespread power interruptions, part II: Case studies

Figures & data

Table 1. Case study information.

Jurisdiction	Utility	Regulator	Extreme Weather Event
Florida	Florida Power & Light (FPL)	Florida Public Service Commission (FPSC)	Hurricanes of 2004–2005
New York	Consolidated Edison (Con Ed)	New York Public Service Commission (NYPSC)	Tropical Storm Sandy, 2012
Texas	CenterPoint Energy (CPE)	Public Utility Commission of Texas (PUCT)	Hurricanes of 2005, 2008, 2017
California	San Diego Gas & Electric (SDG&E)	California Public Utilities Commission (CPUC)	2007 Southern California wildfires
Maryland	Baltimore Gas & Electric (BGE)	Maryland Public Service Commission (MDPSC)	Derecho (severe wind event) of 2012

Figure 1. Map of case studies jurisdictions and utilities.

Figure 2. Hurricane Frances making landfall in Florida in 2004 (Wikimedia Commons, 2004).

Figure 3. Tropical storm Sandy wind speed probabilities (Fairfax Office of Emergency Management, 2012).

Figure 4. Distribution lines in Rockport, Texas following Hurricane Harvey (Reuters, 2017).

Figure 5. Example of a fire in the San Diego County wildland-urban interface (San Diego Union-Tribune, 2013).

Table 2. Availability of economic information related to preventing or mitigating future power disruptions.

Case Study	Precipitating Event(s)	Avoided Customer Interruption Costs	Avoided Regional Economic Impacts	Other Avoided Societal Impacts	Other	Cost-Effectiveness Analysis?	Cost–Benefit Analysis?
Florida	Hurricanes of 2004 and 2005	○	○	○	○	Yes	No
New York (Con Ed)	Tropical Storm Sandy	●	○	○	○	Yes	Yes
New York (City Government)	Tropical Storm Sandy	○	◒	○	○	Yes	Yes
Texas	Hurricanes of 2005, 2008, and 2017	○	○	○	○	Yes	Yes
California	2007 Southern California wildfires	◒	○	○	○	Yes	No
Maryland	2012 derecho	●	○	○	○	Yes	Yes

Legend: Full circle = extensive publicly-available documentation; half circle = moderate amount of publicly-available documentation; empty circle = little/no publicly-available documentation.

Wikimedia Commons. (2004). Radar mosaic of Hurricane Frances at 0457Z 05 Sep 2004 ( 12:57 am EDT). https://commons.wikimedia.org/wiki/File:Hurricane_Frances_radar_mosaic.png

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Fairfax Office of Emergency Management. (2012). Tropical Storm Force Wind Speed Probabilities. https://www.insidenova.com/news/fairfax/county-officials-things-about-to-get-worse-before-they-get/article_b86a12f0-1c37-58ff-baa8-142f40c657de.html

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Reuters, (2017). Photograph of distribution lines in Rockport, texas after hurricane harvey. https://www.texastribune.org/2017/10/13/harveys-death-toll-reaches-93-people/

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