5.3.2. Not applicable. QUESTION 5.4: Regarding the statement: other customer classes, the costs of all customers, not just “For new customers, belonging to a specific customer class are used to estimate marginal MSA and service line costs because of low customer growth rates and the large variations in meter costs for these customers.” Referring to the workpaper, 2017TCAP LRMC Customer “SCG Costs.xlsx”: 5.4.1. Does the size” column E, rows 32-185, refer to a of each of the core “sample “sample” classes? 5.4.2. If the answer to the previous question is was each sample selected randomly “yes,” from each customer class? Please explain the sample selection process. 5.4.3. If the answer to Q.5.4.1 is please identify the factors that are used to bring the “yes,” cost measured for the sample to the cost for the full class or portion of the full class. 5.4.4. Does the size” column E, rows 186-222, refer to a of each of the “sample “sample” noncore classes or does this represent the entire number of customers in each of these customer classes? 5.4.5. If a sample of customers was selected, please identify the total number of customers for each noncore customer class and describe the sample selection process that SoCalGas used. RESPONSE 5.4: 5.4.1. No. Sample Size (in the cost detail” tab) refers to the number of customers with “Meter each particular configuration of meter type by customer class. For residential and small core commercial and industrial customers, this reflects the number of new customer hookups in SoCalGas’ service territory for the years 2009 through 2013. For other customer classes, this reflects all customers, not just new customers, belonging to a specific customer class.
5.3.2. Not applicable. QUESTION 5.4: Regarding the statement: “For other customer classes, the costs of all customers, not just new customers, belonging to a specific customer class are used to estimate marginal MSA and service line costs because of low customer growth rates and the large variations in meter costs for these customers.” Referring to the workpaper, “SCG 2017TCAP LRMC Customer Costs.xlsx”: 5.4.1. Does the “sample size” column E, rows 32-185, refer to a “sample” of each of the core classes? 5.4.2. If the answer to the previous question is “yes,” was each sample selected randomly from each customer class? Please explain the sample selection process. 5.4.3. If the answer to Q.5.4.1 is “yes,” please identify the factors that are used to bring the cost measured for the sample to the cost for the full class or portion of the full class. 5.4.4. Does the “sample size” column E, rows 186-222, refer to a “sample” of each of the noncore classes or does this represent the entire number of customers in each of these customer classes? 5.4.5. If a sample of customers was selected, please identify the total number of customers for each noncore customer class and describe the sample selection process that SoCalGas used. RESPONSE 5.4: 5.4.1. No. Sample Size (in the “Meter cost detail” tab) refers to the number of customers with each particular configuration of meter type by customer class. For residential and small core commercial and industrial customers, this reflects the number of new customer hookups in SoCalGas’ service territory for the years 2009 through 2013. For other customer classes, this reflects all customers, not just new customers, belonging to a specific customer class.
SCGC-05.docx