htwXd .ti.n Mcnre2k .-,

(o ca,lcul.alm'on o.f Atomie Powo.r CosV
r.p.he committee has ealculat,ed thtt> r..>latii.ve cos"t oÅí eZee,triep coals oil}
and atomi.e POWero atOMiC PowEr eosts wero studied joim. tly by Lhe A, tomic
Energy Bureau and the Jhetutt7al Reso'titrces Iu.reaus Seienee and Meehnology
Ago./ ey, ancl. the PubXic TJtiZities. Bureaup t;he Mini.stry of ,IntGrriational.
[Crade and. .Tn(ilufj'icx,':y,
Accordiing to the o'"""timate.p o.leetric en,eir.gy dernand wrkIZ continue growing",
so that in ten years i't wi.11 be as ',mueh as 5efnj- o.[' the total. demand, The
alectrie powellr poten"uitnl of abTapan bQ.fi.ng limittt.cl ass fit .ltts fr,he inerea$tti
in demandi can. no't buti be met by nhermal geno.rcntion aZone,, [he problem
of fueZs .fox' ehermaZ powtt"te i,s a:l.Xpptimportant- S'owtesc used to be f'rom
either hydros eoal oic oil,o Bub nows w.ith rapfi.d deveXopme.nt in reeent
yearsp atomic power had estabMished, a rivaZ cZaims w.iVh a3.1 iics impUfi.eatS.ol
ss to position ofi importal t energy soux'ce,s.
Atomic powettr di,evelopment Sn Japan is guided b: the Long Range Prograrn
for 1)evelopmen-t and IJtiXization oÅ}' Abomic rrtnergyp pubZls,hed by IJhe Atornie
1.nex.gy Com.T.ni$ston iri Ire• 1)tr7uax'y, ].96.Z, The pe• riod up to 2970 is the px•Gept
Ziminax,y stage of developrrient durimg which the pr.oduction oÅí leOOO Mafe
oÅí atoTnic power i.s the obJ'awctiv(e. The Wokai Atomic Powtez' Station (166
"EIAre) oÅí JA]?CO is cux'rently undex) conE'truetionp arid. the site for the
second power x'eae'tor was finalXzed in Novernber last year. Three major
eZectrie utUities have recently di.ecided up. on deveZopment programs of
250 - 350 }JIIAIe to be eompZeted around the yeaM ta970e Putti'ng these togetherp
the targ. et oÅí isOOO "wwe by 19"IO bids fair to be reachedi,
r.AEAts tVXneyoduction to the )lf.ethods of Estimating ATueleax' Powe]r Genez"a`ting
Coststi has be-en used im calcuZating antomic power eostss but some
of its pairam, diwters an,di other Åíaetorsp bei,ng ineonststent with pe.culiax'rny
Japanese ei-Meumstcnncess heve been adjus"tect Of the US rtight wate]r-n
moderabed-cooied type of a7e-aetors, the 'Y.ANK]"?E and BOPR'GA BAY reacVors
have been tgk.en as, ehe mod,e3,s $inee the.ir specifications have been found
to ftc better with the mAbthodi. oÅí calcul a'tion thtnn others. To take catr7eoÅí
add.ition.aza in. vestments, tlaat ma,y be n.as.cessary M' ehese reaetollrs are
insbaZXed in J'apanese eondi"tionss abouic 200/o has been ad,dect to ge.t the
final figui"e of .atomic power eosts Åíor Japan. Tht. yesults are as folXowsg-
Estimating on an atonkie power piant constructed about ]967 with a nauly
ii trodiueed Zightv-water reactor operc:timg at the load rate of 80`/}s the
POwey eose wouLld be abou-t 2.90 Y. en/lf.i,rh. (g.07 miin/kwh)p ancl, at 70%o loadings
abouC 3-30 Yen/kwh. Thtg cu2rrennb costs of oi.1 themmals coal tlaemoaMsan61
hYd,ro-bowe'r. akreif2.33p 3.39, and. 3.50 -v 5.00 re-spectival.y. The ato"mxx'c
POwer cost g.nyiven here .1.cr, a 'tentative caZeulation for the pi7eXiTninax'y
Stage ofi fi.eveLopment unt;il "t]he ].sOOO }trWe "tanc'gehb is. re.achede Strong
,
)-ta•eentives have to bG provideQ' such as long 1)ex'm Zoans at ].ow iiiler"ests
Oi? subsidies foi? icese.gtrrche 'bo achiGvG this esbtlmcRt)e(S eost• DetcalZ,s are
gi'ven in T.nble ur belowo
7