Board of Water & Light (BWL) Reliability Performance and Power Quality. June 30, 2015

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Abner Caldwell
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1 Boad of Wa & Lgh (BWL) Rlably Pfomac ad Pow Qualy Ju 30, 2015

2 I. Ioduco I s vw ad po o h BWL s c som of Dcmb, 2013, h Mchga Publc Svc Commsso (PSC) mad sval lably lad commdaos o h BWL. Amog h commdaos w h followg: Dvlop mcs ha allow h BWL o aalyz h pfomac of all lably vsms Dvlop a aual lably po Dvlop a aual lably spdg po ha focuss o cu ad fuu lably pojc spdg ad aalyzs cusom bfs ad ovall ffcvss of lably pojcs Volualy po o MPSC Saff wh ouags affc mo ha 10 pc of s cusoms, wh a sgfca v affcs h opao of s sysm, o wh h s a loss of pow o a ccal facly o ccal cusom Kp h BWL Boad ad Lasg Cy Coucl coually fomd o muual asssac agms should ay coacs xp o hav caus o b amdd Ths po s h BWL s fs aual Rlably po submd cofomac wh h PSC s commdao. I addsss all fv of h pvous bull commdaos ad follows h foma of lably pos submd by PSC gulad uls pusua ods U-15901, U-16065, ad U Alhough hs po covs h PSC commdaos, dvlopm of dald fomao of h bfs of sysm mpovms wll b cludd h 2017 dsbuo lably pla. I h x sco w ps sadad lably dcs adopd by h PSC fo pog puposs. Sco III addsss pow qualy vsgaos of pmay cusoms, Sco IV covs lably vsms ad Sco V addsss h mad of h PSC s commdaos. II. Rlably Idcs Fo lably pog puposs, h PSC qud DTE Egy ad Cosums Pow o po h wdly usd dsbuo lably masus: SAIDI, SAIFI, ad CAIDI. Th dfo of ach masu s show blow: Sysm Avag Iupo Duao Idx (SAIDI). Ths masus h sysm s avag ouag duao, o h avag ouag duao of ach cusom of a uly. I s calculad by Pag 1

3 dvdg h sum of all cusom upo duaos by h sysms oal umb of cusoms, cogzg ha o all cusoms xpc a ouag. Cusom Avag Iupo Duao Idx (CAIDI). Ths masus h avag ouag duao fo hos cusoms who do xpc a ouag, whch ca also b pd as h avag cusom soao m oc a ouag has occud. I s calculad by dvdg h sum of ouag mus xpcd by all cusoms, by h sum of all cusom upos. Sysm Avag Iupo Fqucy Idx (SAIFI). Ths masus h avag umb of upos xpcd by a cusom of a uly. I s calculad by dvdg h oal umb of cusom upos by h oal umb of cusoms. Ths dcs a usd o assss ovall dsbuo lably pfomac by dfyg ds ad oubl ccus. Ifomao povdd by h dcs guds dsbuo vsm ad pojcs. Coss wh h pog foma usd by DTE Egy ad Cosums Egy, h BWL s pog compay-wd daa. Fo hs po, w hav cludd SAIDI, SAIFI, ad CAIDI dcs fo 10 yas cludg h mos c,. Th daa s show fo dvdual yas ad as a fv ya avag o hlp dfy ds ha may d ao. Ths dcs a usually calculad wh ad whou majo ouag vs, lk a majo som ha causs a uusually lag umb of cusoms o b ou of svc. Th PSC has adopd 10% of a uly s cusoms ou of svc as such a v. Followg hs covo, w hav calculad hs dcs wh ad whou majo vs. Th svy of h Dcmb, 2013, c som suld 40% of h BWL s cusoms ou of svc. As a sul h ad wll o h 2013 dcs wh majo vs a uusually hgh. A vw of h daa dcas ha h 5 ya ollg avag SAIDI, xcludg majo vs, has b faly sady ov h las 10 yas, hovg aoud h 60 o 70 mu ag. Th SAIFI dx casd slghly du o sval small soms scad houghou h ya. Ths follows a 5 ya sady dcl h dx. Ev wh h casd som acvy, h CAIDI xcludg majo vs fo was sgfcaly dow fom h pvous ya by almos a full hou. Howv, h 5 ya avag CAIDI cous s slowly casg d wh aly a 50% cas ov h las 10 yas. Pag 2

4 Ya All Codos Excludg Majo Evs (Mo ha 10% of Cusom Bas) SAIDI mus p ya p cusom Aual 5 Ya Avg. SAIFI upos p ya p cusom Aual 5 Ya Avg. CAIDI mus p ya p cusom Aual 5 Ya Avg. SAIDI mus p ya p cusom Aual 5 Ya Avg. SAIFI upos p ya p cusom Aual CAIDI mus p ya p cusom Ya Avg. Aua l 5 Ya Avg. Pag 3

5 100 SAIDI Daa ( ) Majo Evs Excludd M u s SAIDI 5 Ya Avg. SAIDI Daa ( ) Wh Majo Evs Icludd 2000 M u s SAIDI 5 Ya Avg. Pag 4

6 SAIFI Daa ( ) Wh Majo Evs Icludd I u p o s Y a p SAIFI 5 Ya Avg. 1 SAIFI Daa ( ) Majo Evs Excludd u p o s p Y a SAIFI 5 Ya Avg. Pag 5

7 3000 CAIDI Daa ( ) Wh Majo Evs Icludd 2500 M u s CAIDI 5 Ya Avg. CAIDI Daa ( ) Majo Evs Excludd 160 M u s CAIDI 5 Ya Avg. Pag 6

8 III. Pow Qualy Th PSC pog qums clud daa o pmay cusom pow qualy vsgaos coducd h pas ya fo d us cusoms. Th BWL has vaous foms of pow qualy mg a all of s 13.2 kv dsbuo subsaos. Som of hs ms po by xcpo codg dvcs ad ohs a couous codg dvcs. All of h GM facls o h BWL sysm hav GM pow qualy mg ha po by xcpo. All vs ha a codd a vsgad ad vwd o dm f ay acos a qud. Ay acos ha a dd o coc sysm pow qualy ssus o h GM plas a mplmd as soo as paccal. Oh cusom pow qualy complas a dal wh usg poabl mg ha s salld af a cusom compla s cvd. Ths ms a lf plac fo sval days o moo h cusom s volag ad vfy a poblm xss. Th codd daa s vwd o dm f ay acos a qud. If cocv aco s dd, s mplmd as soo as paccal. Th abl blow shows pow qualy pos fom ou lag pmay svc cusoms fo. Ou of h 29 vs, 5 w causd by cusom poblms ad 5 w causd by poblms ousd h BWL sysm lavg 19 ha w causd by dsubacs o h BWL sysm. I all cass h caus of h dsubac o ou sysm was cocd. Ev I-gd Ev Da Tm Cusom Pow Qualy Souc of Caus/Dscpo Numb ID Ev Ev /27/14 5:51 bldg. 66 H606 volag BWL Amal o asfom causd faul /03/14 19:29 bldg. 66 H205 volag BWL Ukow /05/14 18:53 bldg. 66 H606 volag BWL H607 ppd du o faul lghg som aa /05/14 18:56 bldg. 66 H606 volag BWL H607 ppd du o faul lghg som aa /01/14 9:15 bldg. 66 H606 volag BWL Squl o H /12/14 12:08 bldg. 66 H606 volag BWL H501 cabl faul /05/14 5:34 bldg. 66 H606 volag BWL Lghg som aa /05/14 5:34 LGR bus 65 volag BWL H607 ppd lghg som aa /02/14 9:16 bldg. 66 H606 volag BWL H607 URD cabl faul /20/14 20:28 bldg. 66 H205 volag BWL H458 lad cabl faul /25/14 19:32 bldg. 66 H606 & volag BWL H502 ppd du o a faul H /19/14 19:05 bldg. 66 H606 ouag Cusom Clad o cusom /10/14 7:23 bldg. 66 H205 & H /07/14 4:23 bldg. 66 H606 & H205 Pag 7 ouag Cusom Clad o cusom volag ITC Lghg ppd 138 kv l ousd ou sysm

9 /07/14 4:23 LGR bus 40 volag ITC Lghg ppd 138 kv l ousd ou sysm /07/14 4:23 Lasg Dla volag ITC Lghg ppd 138 kv l ousd ou sysm /07/14 12:53 bldg. 66 H205 volag BWL Ukow /06/14 17:33 bldg. 66 H606 & volag ITC Ukow H /06/14 17:33 Lasg Dla volag ITC Ukow /30/14 9:17 Lasg Dla volag Cusom Cusom poblm wh paal dffal CT polay /30/14 9:08 Lasg Dla volag Cusom Cusom poblm wh paal dffal CT polay /30/14 9:03 Lasg Dla ouag Cusom Cusom poblm wh paal dffal CT polay /30/14 20:07 bldg. 66 H606 volag BWL Ukow /30/14 20:07 LGR bus 65 volag BWL Ukow /16/14 11:47 bldg. 66 H205 volag BWL H456 lad cabl faul /09/14 10:55 bldg. 66 H205 volag BWL Ukow /31/14 23:06 LGR bus 65 ouag BWL Bak cool ccu poblm clad g bus /31/14 23:00 bldg. 66 H606 ouag BWL Bak cool ccu poblm clad g bus /27/14 9:58 bldg. 66 H606 ouag BWL Ukow IV. PROGRAMS TO IMPROVE RELIABILITY Sysm Poco As pa of h BWL s coug ffo o mpov s lably pfomac, h BWL has sgfcaly casd s Sysm Poco sg pogam. Sysm poco dvcs a dsgd o sola, mmz, ad duc soao ms fo fauls o ouags o h BWL s sysm. Ths dvcs clud closs, fuss, ad scoalzs. Th casd sg has pov o b poducv ad has suld dfyg sval ssus wh h BWL poco sysms ha w cocd bfo hy cad ay lably poblms. Sysm poco sg s a ogog acvy of h BWL s Sysm Igy Dpam. Vgao Maagm Basd o h commdaos fom h MPSC po 1, h BWL has vsd ad mplmd w vgao claac sadads fo ou ovhad T&D sysm. Th w sadads clud h moval of all ovhags fom h pmay ad scoday dsbuo ls, ad h moval of hazadous dad s. Ths was a chag fom h BWL s pvous polcy of allowg ovhag as log as was a las 1 Mchga Publc Svc Commsso, Rspos o Mayo Vg Bo s Rqus fo Asssac, Dcmb 2013 Ic Som, p27, May 30, Pag 8

10 10 fom h lcc ls. I h pas, h BWL goad wh cusoms o pfom mmal mmg o avod coflc ad maa cusom sasfaco. Th BWL ow scly adhs o s updad mmg polcs o achv pop claac fom s lcc ls. Th BWL also casd s mmg cws, cludg boh BWL ad coaco cws, fom 6 o22 ad ca bg oh cws wh dd. I addo o bgg mulpl mmg coacos, h BWL has also bough a ousd Fos o asss h BWL s ow Fos wh audg coaco wok o assu s a bg mmd coss wh h BWL s polcy. Wh h addoal cws, h BWL s o schdul o m ou 5 ya mmg cycl Dsbuo As pa of s pogam o had s dsbuo sysm, h BWL s culy h pocss s of sallg IllRup closs o h s pols of xsg ovhad ccus ha oga fom h Eck lcc dsbuo sao. Ths ccus do o culy hav closg capably. Rcloss a dsgd o sgfcaly duc h umb of xdd ouags du o mpoay fauls o hs fds. Wh a faul occus o o of hs ccus, h closs wll povd mmda dcao of whh a faul s o h udgoud o h ovhad sysm, sgfcaly ducg h m qud o loca poblms ad so svc o cusoms. Ths w closs wll also ulz sgl phas ppg fo mpoay fauls whch wll duc h umb of cusoms affcd by mpoay fauls o h BWL s sysm. Tasmsso ad Subsaos Th BWL s h mds of a 6 ya, $100 mllo pla o sgfcaly mpov h lably of s asmsso sysm. Th pla cluds cosuco of wo w cocs wh ITC ha a ow compl, cosuco of appoxmaly 13 mls of w 138 kv asmsso ls, ad cosuco of sval w subsaos. Ths addos wll sgfcaly mpov h ably o do sysm sg ad qupm maac whou pug h sysm a sk h pocss. Th asmsso sysm buld-ou wll also lv cogsd facls ad balac dsbuo facls o mpov lably. Majo asmsso upgad pojcs schduld fo h x 6 yas a show h followg abl. Pag 9

11 Majo Pojcs (000) FY 16 FY 17 FY 18 FY 19 FY 20 FY 21 FYs Ws-sd Rfocm $6,700 $10,600 $2,100 $ - $ - $ - $19,400 GM138 Subsao $1,500 $1,500 $4,000 $11,400 $1,500 $ - $19,900 Ws (Doubl-Ed) $4,050 $3,600 $3,510 $500 $ - $ - $11,660 Souh Rfocm $500 $1,000 $700 $5,000 $2,500 $650 $10,350 GM-LGR Subsao $100 $500 $4,100 $2,300 $4,000 $1,540 $12,540 Eck Sub Modfcao $200 $400 $ - $ - $ - $ - $ KV Cap Bak $400 $ - $2,100 $1,000 $8,500 $ - $12,000 Souh Subsao $100 $50 $ - $200 $2,600 $7,000 $9,950 Cal Subsao $5,000 $1,000 $50 $50 $50 $ - $6,150 I addo o s sx ya asmsso pla, h BWL udaks capal pojcs ach ya o maa ad upgad s asmsso ad dsbuo chology ad lably. Fo Fscal ya 2016, h BWL has budgd a addoal $5 mllo fo such puposs. Pojcs vay fom dsbuo auomao chology o asmsso l hadg pojcs such as placg xsg wood pols wh sl ad placg spak gaps wh sug ass a h l ac pos of subsaos. Th BWL wll b cludg dald lably plag fo boh s dsbuo ad asmsso sysms s 2017 asmsso ad dsbuo pla, xpcd o b compld Ths pla wll dal mpovms o h BWL s dsbuo sysm ad h bfs o h BWL s cusoms. Ass Maagm Th BWL s h aly sags of dvlopg a ass maagm pogam o mpov maac o s asmsso ad dsbuo sysm. Th ass maagm pogam wll shf h BWL s maac sagy fom m basd o a codo/sk basd sagy ad duc qupm lad ouags ad mpov pow qualy o BWL cusoms. Ths wll clud pogams o buld ad upgad h olds pas of ou dsbuo sysm ad gud h sallao of dsbuo auomao vsm. Dsbuo auomao cluds chologs ha allow al m adjusms o chagg loads, gao, ad faul codos o h dsbuo sysm. Ths chologs mpov dsbuo lably, allow fo dsbud gaos o h dsbuo sysm, ad ca low sysm gy qums amog oh hgs. Pag 10

12 Som Ppadss Th BWL has mad sval mpovms o ppa fo ad spod o mgcy vs ad soms lk h 2013 c som. Af h 2013 c som, h PSC, h Czs Rvw Tam (CRT), ad h BWL s ow vsgao mad a oal of 187 commdao o mpov h BWL ad h commuy s ably o spod o a mgcy. O hudd svy h of hs w assgd o h BWL saff. By h bgg of Ju, 2015, h BWL saff had mplmd 159 of h commdaos ad xpcs o compl all h mag by h d of Ju. Th subjc ma of h commdaos vas wdly. As a xampl, pusua o h commdaos, h BWL has updad ad cosoldad s mgcy plas, dvlopd a css commucaos pla, udak mgcy xcss, has svd as a caalys fo goal mgcy spos coodao, ad pad wh local ogazaos o hlp buld ghbohood ad commuy slcy dug a mgcy v. Th BWL has sgfcaly casd h umb of coac agms wh oh uls ad vdos fo soao svcs such as l cws, damag assssos ad mmg o povd addoal suppo dug majo pow ouags. I has dvlopd a d adss pogam o ppa fo focas wah vs. Wah focass a coually mood ad f h focas acvas ay of h pdmd gg pos, appopa acos a ak o mpov h BWL s spos o wah vs such as ag p-v ofcaos ad pug appopa BWL psol o call fo h xpcd duao of h v. Wh majo ouags a acpad, addoal ousd coaco cws a placd o a o moblzd wh psol ad qupm po o a xpcd som v. Ths acos hav alady wokd o su all qud psol ad qupm a avalabl aly h soao pocss a ffo o mmz ouag ms o ou cusoms. To mpov svc soao m, h BWL has assgd scoday som svc dus o s mploys. Fo xampl, h BWL ow has ov 400 ad C spos o pfom w dow duy, fg up l cws o pfom soao wok. I has casd h capacy of s comg pho ls o hadl cusom ouag pos ad qus ad addd ad smapho opos o ofy h BWL of ouags o chck o soao saus. Th BWL vfs h opably of s ouag maagm sysm commucaos daly ad sss ss s OMS podcally. I has dvlopd a ol ouag map ad sma pho app. Th BWL solcs ad maas lss of so czs ad cusoms wh halh ssus ha hav auhozd h BWL o sha wh local offcals dug a mgcy v so ha wllss chcks ca b coducd dug o af a mgcy. Adopo of h commdaos hav mpovd h BWL s ably o ppa fo ad spod o mgcy vs. I has also galy xpadd h soucs avalabl o h BWL fo soao opaos, mpovd s lably sgfcaly, mpovd commucaos wh cusoms, ad commd h BWL o a log-m pogam o modz ad had s asmsso ad dsbuo sysms. Pag 11

13 Sma M Tchology Th BWL has ad a Sma M Plo pojc. Th BWL has valuad h us of sma ms o mo accualy dfy h magud ad locao of cusom ouags, hby ducg h ovall ouag duao. I 2016, h BWL wll bg a sagd sysm-wd mplmao of sma m chology, wh all ms covd o sma ms wh 5 yas. Th gao wh Ouag Maagm wll cocd wh h sallao of a w OMS (Ouag Maagm Sysm), whch s xpcd o b mplmd 2016 as wll. Addoally h BWL has commd o sallg dsbuo auomao wh paccal o bg dvlopm of sma ccus. Ths wll hac h BWL s ably o duc xdd ouags, dm wh ouags occu ad spod o hm mo quckly. V. Muual Ad ad Majo Ouags Amog h PSC commdaos w a po of majo ouags o h PSC ad a po o muual ad chags o h BWL s Boad ad h Cy Coucl. Th PSC cosds a majo ouag as o whch 10% o mo of a uly s cusoms a ou of svc o fo whch a offcal mgcy dclaao has b mad. Th BWL dd o xpc ay majo ouags dug. Th BWL has muual asssac agms wh 10 pva coacos, Cosums Egy, 30 mucpal uls Mchga, ad 2,000 mucpal uls hough h Amca Publc Pow Assocao. Th oly chag o ha umb acpad by h BWL fo 2015 s h addo of DTE Egy o h muual asssac pogam. Pag 12

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