Changes to TDSP Rate Class Description in Retail Market Subcommittee

CNP made updates to the TDSP rate class descriptions, replacing numeric and alpha descriptors with longer narrative descriptions for IDR and streetlight ESI IDs in several TX SET transactions. These changes affect around 9,465 ESI IDs and will be reflected in specific transaction sets. The TX SET REF*NH segment specifies identifying information related to TDSP rate classes.

• Retail Market
• Subcommittee
• TDSP Rate
• CNP
• TX SET

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1. CNPS CHANGES TO TDSP RATE CLASS DESCRIPTION UPDATE TO RETAIL MARKET SUBCOMMITTEE (RMS) AUGUST 14, 2018 KATHY SCOTT 1

2. MARKET NOTICE & IMPACTS CNP REPLACED THE 3-DIGIT NUMERIC AND ALPHA RATE CLASS DESCRIPTORS FOR IDR AND STREETLIGHT ESI IDS FOUND ON SEVERAL TX SET TRANSACTIONS WITH A LONGER NARRATIVE RATE DESCRIPTION THAT CORRESPONDS TO CNP S TARIFF RATE FOR THESE ESI IDS. THESE CHANGES WILL BE REFLECTED IN THE FOLLOWING TEXAS SET TRANSACTIONS: 810_02 TDSP INVOICE 814_04 ENROLLMENT NOTIFICATION RESPONSE 814_20 ESI ID MAINTENANCE REQUEST THIS CHANGE IMPACTED APPROXIMATELY 9,465 IDR AND STREETLIGHT ESI IDS 2

3. TX SET REF*NH EXAMPLES IDR Metered ESI IDs: 810_02: ~REF*NH*SVS (Current CNP Rate Class) ~REF*NH*Secondary Serv Less Equ 10 KVA (Future CNP Rate Class) Streetlight ESI IDs: 814_04: ~REF*NH*990 (Current CNP Rate Class) ~REF*NH*Secondary Serv Less Equ 10 KVA (Future CNP Rate Class) 810_02: ~REF*NH*SLS (Current CNP Rate Class) ~REF*NH*Street Lighting Service (Future CNP Rate Class) 814_04: ~REF*NH*961 (Current CNP Rate Class) ~REF*NH*Street Lighting Service (Future CNP Rate Class) 810_02: ~REF*NH*SVL (Current CNP Rate Class) ~REF*NH*Secondary Serv Greater 10 KVA(Future CNP Rate Class) 814_20 ~REF*NH*961 (Current CNP Rate Class) ~REF*NH*Street Lighting Service(Future CNP Rate Class) 814_04: ~REF*NH*991 (Current CNP Rate Class) ~REF*NH*Secondary Serv Greater 10 KVA (Future CNP Rate Class) 814_20 ~REF*NH*990 (Current CNP Rate Class) ~REF*NH*Secondary Serv Less Equ 10 KVA (Future CNP Rate Class) 3 ~REF*NH*991 (Current CNP Rate Class) ~REF*NH*Secondary Serv Greater 10 KVA(Future CNP Rate Class)

4. WHAT IS THE TX SET REF*NH Segment: REF Reference Identification (TDSP Rate Class) Position: 120 Loop: IT1 Optional Level: Detail Usage: Optional Max Use: >1 Purpose: To specify identifying information Syntax Notes:1 At least one of REF02 or REF03 is required. 2 If either C04003 or C04004 is present, then the other is required. 3 If either C04005 or C04006 is present, then the other is required. Semantic Notes:1 REF04 contains data relating to the value cited in REF02. Comments: Notes: IT109 = ACCOUNT: Not Used IT109 = RATE: Required IT109 = B2B: Not Used REF~NH~RS1 Data Element Summary Ref. Data Des. Element Name Attribut es Must Use Code qualifying the Reference Identification NH Rate Card Number Must Use Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier TDSP Rate Class REF01 128 Reference Identification Qualifier MID 2/3 TDSP Rate Class REF02 127 Reference Identification XAN 1/30 4

5. MARKET NOTICE & IMPACTS CHANGES WERE MADE TO THE RATE CLASS/CODE FIELD ON THE USAGE HISTORY SPREADSHEET FILES SENT IN RESPONSE TO USAGE REQUESTS. IMPACTS USAGE HISTORY SPREADSHEETS SENT IN RESPONSE TO: REQUESTS FROM THE PAPER LOA PROCESS, THE ONLINE CRIP-LOA SYSTEM AND THE DEMAND AND ENERGY INFORMATION SYSTEM (DEIS) USED BY CUSTOMERS. CNP S 3-DIGIT NUMERIC RATE CLASS CODES FOR IDR AND STREETLIGHT ESI-IDS WILL BE REPLACED BY A 3-LETTER ALPHA RATE CLASS CODE, AS SHOWN IN THE TABLE ON SLIDE 6. THESE NEW RATE CLASS CODES WILL POPULATE IN THE RATE CLASS/CODE FIELD FOR REPORT REQUESTS DATED AFTERAUGUST 11, 2018. 5

6. USAGE REQUEST IMPACTS 08/12/18 and Forward New Rate Class Codes SLS Prior to 8/12/18 Current Rate Class Codes Code Translation 941 Street Lighting Service 961 SLS Street Lighting Service 970 SVS Secondary Serv Less Equ 10 KVA 971 SVL Secondary Serv Greater 10 KVA 990 SVS Secondary Serv Less Equ 10 KVA 991 SVL Secondary Serv Greater 10 KVA 992 PVS Primary Service 993 TVS Transmission Service 6

7. THANK YOU FOR YOUR SUPPORT 7