Sma ll Sc a le E mbe dde d Ge ne ra tion T he Roa d to Approve d Grid Conne c tion in Ca pe T own Nove mbe r 2014 Utility Se rvic e s/ E le c tric ity Se rvic e s/ BJo ne s
Cabine t de c ision- 5 Se pte mbe r 2007 2 Go to Insert > Header & Footer > Enter presentation name into footer field
E le c tr ic ity Polic y, L e gislation, Re gulation Go ve rnme nt po lic y • White Pa pe r o n Re ne wa b le E ne rg y • Sing le Buye r- c a b ine t de c isio n • E le c tric ity Re g ula tio n Ac t Role of M unics – Ne w Ge ne ra tio n Re g ula tio ns unclear – I RP (2010) • MF MA – S33 – F ruitle ss a nd Wa ste ful E xpe nditure • Munic ipa l Supply By la ws. (I n Ca pe T o wn’ s c a se , no o ne ma y c o nne c t in pa ra lle l with the g rid witho ut prio r writte n c o nse nt o f the Dire c to r o f E le c tric ity) T he re is no ma nda te a llo wing Munic ipa litie s o r E sko m to purc ha se e xc e ss g e ne ra te d e le c tric ity fro m sma ll sc a le e mb e dde d g e ne ra to rs.
MF MA s62
MF MA s33
E le c tr ic ity Re gulation Ac t 6 Go to Insert > Header & Footer > Enter presentation name into footer field
Grid c ode : Re sponsibility of Distributors
Grid Code : Re sponsibility of E mbe dde d Ge ne ra tors
Cur r e nt National RE Polic y and Pr ogr amme s • Ca b ine t de c isio n 5 Se pte mb e r 2007 – E sko m de sig na te d a s the “c e ntra l b uye r o f po we r fro m I PP’ s” • Ro le o f Munic ipa litie s re g a rding RE is unde fine d- e xc lude d fro m I PP de finitio n a nd I RP2010 • DOE Ne w Ge ne ra tio n Ca pa c ity I PP Pro c ure me nt Pro g ra mme (L a rg e Sc a le > 5 MW) • DOE Ne w Ge ne ra tio n Ca pa c ity I PP Pro c ure me nt Pro g ra mme (Sma ll Sc a le 1- 5 MW ) (RF I issue d) Ma x 100 MW • E sko m I nte g ra te d De ma nd Ma na g e me nt (I DM) 100 kW- 1 MW “Sta nda rd Offe r” pilo t (R1.20/ kWh) Ma x 10 MW Pilo t te rmina te d. • NE RSA’ s “Sta nda rd Co nditio ns fo r sma ll sc a le (< 100kW) e mb e dde d g e ne ra tio n within munic ipa l b o unda rie s) • I RP 2010 b e ing re vise d • NE RSA ha s a dvise d tha t a “po lic y do c ume nt” o n SSE G will b e issue d e a rly in 2015.
Ne t Me te r ing- de finition- fr om “Ne r sa Guide line s” Ne t Me te ring re fe rs to the a b ility o f ..sma ll sc a le g e ne ra to rs to b e re wa rde d fo r the e ne rg y tha t the y pro duc e to whic h g o e s o ut o nto the munic ipa l ne two rk.……… T he fina l b ill tha t will b e re c e ive d is fo r the Ne tt q ua ntity o f e ne rg y tha t the y c o nsume ……tha t is, the ir to ta l impo rt fro m the munic ipa l ne two rk minus the ir to ta l e xpo rts o nto the munic ipa l ne two rk (sub je c t to a ny re le va nt me te ring pe rio ds in o pe ra tio n) ( fro m Ne rsa ’ s “Sta nd a rd Co nd itio ns fo r sma ll sc a le (< 100kW) e mb e d d e d g e ne ra tio n within munic ipa l b o und a rie s)
Sta nda r d Conditions for sma ll sc a le (< 100kW) e mbe dde d g e ne r a tion within munic ipa l bounda r ie s • Guide line s o nly, no c o nsulta tio ns he ld. • Ne e d c la rific a tio n a nd upda ting • Co nne c tio n to the E sko m g rid is o mitte d • I mply tha t g e ne ra to r lic e nse s a re no t re q uire d fo r ne t me te ring a pplic a tio ns • “Sho uld” ha ve sma rt me te rs with b i dire c tio na l me te ring • Se ts g uide line s re g a rding ne t me te ring ta riffs • Se ts o ut re q uire me nts re g a rding re c o rd ke e ping a nd re po rting
E xtra c t from Ne rsa “Sta nda rd Conditions”- (impa c ts ta riffs a nd me te ring solution) 12
IRP2 - 2010
Na tiona l Stra te g y- Comme nts to Re vise d IRP “A standard offer approach is developed by the Department of Energy in which an agency similar to Eskom’s Single Buyer Office purchases energy from embedded generators at a set price (with a self- correcting mechanism based on uptake) so as to render municipalities indifferent between their Eskom supply and embedded generators and thus support small scale distributed generation”
Na tiona l Stra te g y- Comme nts to Re vise d IRP • Co mme nts to I RP re visio n fo re se e s po te ntia l o f 30GW o f ro o fto p PV b y 2050 • I RP- pro po sa l - SSE G to b e re ve nue ne utra l fo r munic ipa litie s • Sug g e stio n o f sta nda rd o ffe r- ? ? 80c pe r kWh pa id b y E sko m to g e ne ra to rs, munic s c o mpe nsa te d fo r (e stima te d? ) lo ss o f re ve nue lo ss o f re ve nue • Me te ring so lutio n fo r the a b o ve -mo st like ly will b e a b i dire c tio na l me te r, with “sta nda rd e stima tio n” o f PV g ro ss o utput (o nly re q uire s o ne me te r) • “Sta nda rd o ffe r” c o uld a lso suppo rt la rg e r g e ne ra tio n e .g . b io - g a s to e ne rg y 500kW a s a n a lte rna tive to I PP whe e ling to E sko m a c ro ss munic ipa l ne two rk • Administr ative ly c halle nging
Solar Pote ntial • Sunlig ht (po we r) fa lling o n a n a re a 6 km x 6 km e q uiva le nt to 36 GW na tio na l pe a k e ne rg y de ma nd @ no mina l 1 kW/ m 2 • PV mo dule s 15% e ffic ie nt (> 40% in la b o ra to ry) • Co sts plumme ting • Sun shine s o nly a t da ytime - e ne rg y sto ra g e is the “Ho ly Gra il” M odule size 1 x 1.6 m
Re ne wable Ge ne r ation- Ne twor k Ar r ange me nts E sko m’ s Ne two rks DWF Gre e n E sko m Co a l E le c tric ity Ba se d E le c tric ity Me te rs 40 + City I nta ke Sub sta tio ns Ca pe T o wn’ s Me te r Distrib utio n Ne two rk E mb e dde d Generation
E xa mple s of E mbe dde d Ge ne ra tion (is tha t PV or SWH?) PV SWH
E xa mple s of E mbe dde d Ge ne ra tion Sma ll Wind T urbine s Ho rizo nta l a xis Ve rtic a l a xis Wind spe e d minimum 2.5 m/ s Wind spe e d minimum 1 m/ s
E le c tr ic ity Se r vic e s HQ 100 kW syste m M odule size 1 x 1.6 m
Conte xt F ro m the pe rspe c tive o f a Munic ipa lity with a n E le c tric ity Distrib utio n lic e nse : • De c re a sing pric e o f RE • I nc re a sing pric e o f E sko m E le c tric ity a nd he nc e • I nc re a sing munic ipa l e le c tric ity pric e s • Appro a c hing c o nve rg e nc e o f pric e s (I RP2010- 2015) • Gre e n e c o no my a g e nda - jo b c re a tio n, g re e n a g e nda , c lima te c ha ng e mo ra l pre ro g a tive • Pro life ra ting una utho rise d g rid tie d PV c o nne c tio ns
Public De mand • Ma ny e nq uire s (a lmo st da ily) • F e w (+-10) se rio us a pplic a tio ns (pro c e ss to o c o stly/ o ne ro us fo r re side ntia l c o nsume rs) • Also , re ve rse po we r no t ye t a llo we d- this is suppre ssing de ma nd • Ho we ve r- c la ims o f 500+ ille g a l g rid tie d insta lla tio ns b y o ne supplie r. No ta b le insta lla tio ns to da te : • Bla c k Rive r Pa rkwa y – Pha se 1: 2875 pa ne ls, Pha se 2 : 2050 pa ne ls – o ta l 1.2 MWp- Will c o ve r 14000m 2 T • Vo da c o m Building – 542 kWp
T he Main Issue s in Gr id- Conne c ting SSE G L e g a l ma nda te (Po lic y, L e g isla tio n, Re g ula tio n, Ge ne ra tio n lic e nc e s) T e c hnic a l Sta nda rds • Vo lta g e , Ha rmo nic s • I sla nding / a uto ma tic disc o nne c tio n • T ype te sting Me te ring so lutio n- Re side ntia l, Co mme rc ia l a nd I ndustria l T a riffs • Struc ture • Qua ntum • Rule s Billing pro c e sse s- thro ug h pre pa yme nt, o r dire c t invo ic ing a s fo r Ra te s VAT Co nne c tio n a g re e me nt Custo me r g uide line s Othe r (no n-e le c tric ity) munic ipa l de pa rtme nta l a ppro va ls 23 Go to Insert > Header & Footer > Enter presentation name into footer field
Cape T own E le c tr ic ity By- L aw 24 Go to Insert > Header & Footer > Enter presentation name into footer field
City of Ca pe T own’s Pha se d Approa c h • F irst - 4 limite d sc o pe pilo ts: 1. 1x Co mme rc ia l no re ve rse po we r flo w 2. 3 x Re side ntia l pilo ts with re ve rse po we r flo w • T he n a llo we d g rid c o nne c tio n witho ut a ny insta nta ne o us re ve rse po we r flo w • F ina lly a llo we d g rid c o nne c tio n with insta nta ne o us po we r flo w- c o nsume r o ve r a n a ve ra g e d pe rio d must b e a “ne t c o nsume r” a nd no t a “ne t g e ne ra to r.”
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