***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. ***** NOTICE DATE: September 16, 2021 NOTICE TYPE CNP-M-A091321-05 – Update 5 DAYS AFFECTED: September 13, 2021 forward until further notice. SHORT DESCRIPTION: CenterPoint Energy continues its Emergency Operations Plan (EOP) in response to the landfall of Hurricane Nicholas along the Texas Gulf Coast. INTENDED AUDIENCE: All Market Participants LONG DESCRIPTION: CenterPoint Energy continues its Emergency Operations Plan (EOP) in response to the landfall of Hurricane Nicholas along the Texas Gulf Coast. CenterPoint Energy continues to make significant progress restoring power in the Greater Houston area and surrounding communities following Hurricane Nicholas’ impact earlier this week. NEW Information: Operating Conditions: * The company has restored service to more than 426,000 electric customers, down from a peak outage count of 460,000 at 8 a.m. CT on Sept. 14. * As of 3:00 PM CST today, CenterPoint Energy has approximately 27,000 customers that remain without power. * CenterPoint Energy crews worked throughout the overnight hours to restore service to our impacted customers. * More than 5,000 employees, contractors and mutual assistance crew members will continue to work around-the-clock to serve our customers. * Today’s focus will be on addressing the more challenging outage issues caused by the storm’s extensive damage to some parts of our system. * We appreciate our customers’ continued patience and understanding as we work to restore their service as safely and quickly as possible and address the more challenging outage issues caused by the storm’s extensive damage to some parts of our system. Service Order Execution * Service Orders requiring field execution remain suspended thru Friday, September 17th. * CenterPoint Energy will hold pending service orders with current date wanted and a mass turndown will not be taking place. * The DNP moratorium activated in advance of this EOP event remains in place through Friday, September 17th. * We are currently evaluating the exact date DNP order processing can resume. Billing Impacts * We expect no disruption to the delivery of LSE files and they are on a normal schedule. Read rates achieving a 98% success rate. * AMS meter reads will contain estimation of missing intervals as needed. * Estimation routines do account for outage activity and will be estimated with 0 usage as needed. * The “gap fill” process to replace estimated usage has begun and will continue as more meters reestablish communications with our data collection infrastructure. Market Actions(s) We ask the public and our market partners continue to: * Stay away from downed power lines. * Leverage CenterPoint Energy’s Power Alert Service (PAS) for important updates and estimation of restoration times. For latest information on power outages*: * Sign up for Power Alert Service<https://urldefense.com/v3/__https://nam04.safelinks.protection.outlook.com/?url=http*3A*2F*2Fwww.centerpointenergy.com*2Fen-us*2Fresidential*2Fservices*2Felectric-utility*2Foutage-center*2Fpower-alert-service*3Fsa*3Dho*26WT.mc_id*3DVanURL_PAS_On&data=04*7C01*7Cphil.suter*40centerpointenergy.com*7C1255d8ab9b1d4752113208d97957b088*7C88cc5fd7fd7844b6ad75b6915088974f*7C0*7C0*7C637674239804323818*7CUnknown*7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0*3D*7C1000&sdata=vt*2F6rVASLD90I9BhlMKs4rwHKOJ10d2zvFB3Zg2aPXU*3D&reserved=0__;JSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUl!!DR3VkBMYqM1H!LMk3dK5Q5sEOM04lbe_L7m90VGJ7AF2q7q9nFhUEM3EYXrITtW3ff0ww6unbJLprUtiCZbCs7gE$ > for information on individual outages; * Follow @cnpalerts<https://urldefense.com/v3/__https://nam04.safelinks.protection.outlook.com/?url=https*3A*2F*2Ftwitter.com*2FCNPalerts&data=04*7C01*7Cphil.suter*40centerpointenergy.com*7C1255d8ab9b1d4752113208d97957b088*7C88cc5fd7fd7844b6ad75b6915088974f*7C0*7C0*7C637674239804333781*7CUnknown*7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0*3D*7C1000&sdata=LJ4YmGVhr3i4QcVFOyAOzOh9ruS9LWkC*2B2rkTs3AEKI*3D&reserved=0__;JSUlJSUlJSUlJSUlJSUlJSUl!!DR3VkBMYqM1H!LMk3dK5Q5sEOM04lbe_L7m90VGJ7AF2q7q9nFhUEM3EYXrITtW3ff0ww6unbJLprUtiCAyHhhsw$ > and visit Outage Tracker<https://urldefense.com/v3/__https://nam04.safelinks.protection.outlook.com/?url=http*3A*2F*2Fgis.centerpointenergy.com*2Foutagetracker*2F&data=04*7C01*7Cphil.suter*40centerpointenergy.com*7C1255d8ab9b1d4752113208d97957b088*7C88cc5fd7fd7844b6ad75b6915088974f*7C0*7C0*7C637674239804333781*7CUnknown*7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0*3D*7C1000&sdata=2e1GboCG5wouhFCg0RuDlGXFok9BKCAdObRciXDhdbI*3D&reserved=0__;JSUlJSUlJSUlJSUlJSUlJSUl!!DR3VkBMYqM1H!LMk3dK5Q5sEOM04lbe_L7m90VGJ7AF2q7q9nFhUEM3EYXrITtW3ff0ww6unbJLprUtiCbsdXYzM$ > for general outage locations; and * Visit CenterPointEnergy.com/StormCenter<https://urldefense.com/v3/__https://nam04.safelinks.protection.outlook.com/?url=http*3A*2F*2Fwww.centerpointenergy.com*2Fen-us*2Fresidential*2Fsafety*2Fweather-storm-center*3Fsa*3Dho&data=04*7C01*7Cphil.suter*40centerpointenergy.com*7C1255d8ab9b1d4752113208d97957b088*7C88cc5fd7fd7844b6ad75b6915088974f*7C0*7C0*7C637674239804343730*7CUnknown*7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0*3D*7C1000&sdata=Fw7eh5az3OnpHSa8*2BC6k8sm*2FB5jUGtKJZaeY0SFCGiQ*3D&reserved=0__;JSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUl!!DR3VkBMYqM1H!LMk3dK5Q5sEOM04lbe_L7m90VGJ7AF2q7q9nFhUEM3EYXrITtW3ff0ww6unbJLprUtiCrJ10UTM$ > for electric and natural gas safety tips and other resources. Next Market Update: CenterPoint Energy's Hurricane Nicholas Market Call V Status Report Friday, September 17, 2021 9:30 AM – 10:30 AM -- Do not delete or change any of the following text. -- Meeting number (access code): 2597 929 4038 Meeting password: HNicholas5 Join<https://urldefense.com/v3/__https://centerpointenergy.webex.com/centerpointenergy/j.php?MTID=mb45166488bc562de5738d59ec8ed6de9__;!!DR3VkBMYqM1H!LMk3dK5Q5sEOM04lbe_L7m90VGJ7AF2q7q9nFhUEM3EYXrITtW3ff0ww6unbJLprUtiCsiBFRYA$ > Please use the Call Me or Call Using Computer options to avoid toll charges. Meeting number (access code): 2594 778 5509 Join by phone +1-415-655-0002 US Toll Additional Call-in Numbers (Chicago) +1-312-535-8110 (Dallas) +1-469-210-7159 (Denver) +1-720-650-7664 Use the Link Below ONLY for Video Conferencing. Join from a video system or application Dial [log in to unmask]<sip:[log in to unmask]> You can also dial 173.243.2.68 and enter your meeting number. 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