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2011
12-19
天然氣定價模式的中國選擇
2011-12-19 來源:國際燃氣網
天然氣是中國最具潛力的煤炭替代產品。近年來,無論是從國內天然氣消費總量、還是從在世界天然氣消費量中的占比來看,中國都經曆了較快的增長,消費量從245億立方米增加到1090億立方米,占比從1%左右上升到將近3.5%。與此同時,我國天然氣的對外依存度也快速增加,2010年達到近13%。隨著中亞、中俄、中緬等幾條天然氣通道近幾年內開始供氣,我國天然氣對外依存度將迅速提高,改革現行天然氣定價機製也迫在眉睫。
中國現行的天然氣價格分為出廠價、管輸費、城(cheng)市(shi)門(men)站(zhan)價(jia)和(he)終(zhong)端(duan)用(yong)戶(hu)價(jia)四(si)個(ge)環(huan)節(jie),定(ding)價(jia)以(yi)行(xing)政(zheng)為(wei)主(zhu)市(shi)場(chang)為(wei)輔(fu),由(you)政(zheng)府(fu)部(bu)門(men)根(gen)據(ju)生(sheng)產(chan)與(yu)供(gong)應(ying)成(cheng)本(ben)再(zai)加(jia)合(he)理(li)利(li)潤(run)確(que)定(ding),基(ji)本(ben)上(shang)是(shi)成(cheng)本(ben)加(jia)成(cheng)法(fa)。
國外的天然氣價格體係大致根據生產、運輸與銷售的不同環節,分為井口價、城市門站價和終端用戶價三類。各國家與地區之間由於天然氣資源稟賦不同,行業市場化程度不一樣,定價機製也有所不同;下(xia)遊(you)天(tian)然(ran)氣(qi)管(guan)道(dao)公(gong)司(si)對(dui)天(tian)然(ran)氣(qi)的(de)運(yun)輸(shu)和(he)銷(xiao)售(shou)有(you)不(bu)同(tong)形(xing)式(shi)的(de)定(ding)價(jia),上(shang)遊(you)天(tian)然(ran)氣(qi)價(jia)格(ge)則(ze)一(yi)般(ban)采(cai)用(yong)成(cheng)本(ben)加(jia)成(cheng)法(fa)或(huo)市(shi)場(chang)淨(jing)回(hui)值(zhi)法(fa)來(lai)確(que)定(ding)。目(mu)前(qian),還(hai)有(you)許(xu)多(duo)國(guo)家(jia)采(cai)用(yong)兩(liang)者(zhe)相(xiang)結(jie)合(he)的(de)定(ding)價(jia)機(ji)製(zhi),以(yi)期(qi)綜(zong)合(he)兩(liang)種(zhong)定(ding)價(jia)方(fang)法(fa)的(de)優(you)勢(shi)。
一般來說,成本加成法的公式為:最終用戶價格=井口價+管網的運營成本+合he理li固gu定ding回hui報bao,即ji在zai以yi成cheng本ben為wei基ji礎chu確que定ding供gong氣qi價jia格ge時shi,買mai方fang支zhi付fu的de價jia格ge是shi由you天tian然ran氣qi的de采cai出chu成cheng本ben加jia各ge項xiang費fei用yong和he合he理li利li潤run構gou成cheng。城cheng市shi天tian然ran氣qi定ding價jia處chu在zai燃ran氣qi供gong應ying鏈lian的de下xia遊you,天tian然ran氣qi到dao達da門men站zhan之zhi後hou,需xu要yao通tong過guo城cheng市shi管guan網wang分fen配pei到dao最zui終zhong用yong戶hu,對dui於yu民min用yong和he商shang業ye用yong戶hu,采cai取qu計ji算suan該gai類lei用yong戶hu應ying分fen攤tan的de成cheng本ben,在zai此ci基ji礎chu上shang加jia上shang合he理li的de利li潤run水shui平ping,最zui終zhong形xing成cheng價jia格ge。
gaifangfabijiaoshoufazhanzhongguojiazhengfudehuanying。zainengyuanshichanghuachengdubijiaodideqingkuangxia,chengbenjiachengfakeyixianzhishengchanzhequdelongduanlirun,weichibijiaodidetianranqijiage,erqiekeyiguliyongqi。
但dan是shi,成cheng本ben加jia成cheng的de缺que點dian很hen多duo。第di一yi,生sheng產chan商shang的de生sheng產chan成cheng本ben很hen難nan核he定ding,不bu同tong的de產chan商shang生sheng產chan條tiao件jian差cha別bie很hen大da,很hen難nan用yong統tong一yi的de標biao準zhun去qu衡heng量liang。第di二er,產chan商shang“合理”的de收shou益yi同tong樣yang難nan以yi確que定ding。成cheng本ben加jia成cheng還hai需xu要yao在zai定ding價jia中zhong體ti現xian出chu對dui勘kan探tan開kai發fa的de鼓gu勵li,但dan是shi很hen難nan確que認ren未wei來lai勘kan探tan開kai發fa的de風feng險xian和he收shou益yi。第di三san,成cheng本ben加jia成cheng使shi得de產chan商shang有you動dong力li做zuo大da成cheng本ben,難nan以yi促cu使shi其qi降jiang低di成cheng本ben、提ti高gao效xiao率lv。第di四si,一yi旦dan生sheng產chan商shang成cheng本ben得de不bu到dao合he理li補bu償chang,難nan以yi保bao障zhang行xing業ye的de合he理li投tou資zi以yi及ji行xing業ye可ke持chi續xu發fa展zhan和he市shi場chang供gong應ying。第di五wu,如ru果guo價jia格ge不bu能neng反fan映ying資zi源yuan稀xi缺que和he將jiang環huan境jing成cheng本ben充chong分fen內nei部bu化hua,則ze會hui導dao致zhi浪lang費fei。總zong之zhi,成cheng本ben加jia成cheng法fa最zui大da的de問wen題ti就jiu在zai於yu作zuo為wei行xing政zheng定ding價jia為wei主zhu的de模mo式shi,很hen難nan反fan映ying市shi場chang供gong求qiu的de最zui有you效xiao價jia格ge水shui平ping。
比較市場化的定價是市場淨回值法。以天然氣的市場價值為基礎,即以供給用戶最便宜的替代燃料(與天然氣存在替代競爭關係的能源,如石油、LNG、燃料油、煤炭等)的市場價格為基準,從中扣除管網的運營成本和相關稅費後推算出井口價格。其計算公式為:天然氣的市場淨回值=供給用戶最便宜的替代燃料價格-輸氣成本-儲氣成本-其他成本。
由you於yu市shi場chang淨jing回hui值zhi法fa以yi市shi場chang供gong需xu為wei基ji礎chu定ding價jia,因yin此ci可ke以yi反fan映ying天tian然ran氣qi真zhen實shi市shi場chang價jia格ge,通tong過guo上shang遊you供gong氣qi價jia格ge與yu下xia遊you市shi場chang聯lian動dong,把ba市shi場chang信xin號hao傳chuan遞di給gei生sheng產chan商shang和he消xiao費fei者zhe。
然ran而er,該gai方fang法fa當dang然ran也ye存cun在zai一yi些xie缺que陷xian。不bu同tong的de地di理li位wei置zhi和he需xu求qiu情qing況kuang會hui使shi不bu同tong氣qi源yuan價jia格ge存cun在zai較jiao大da差cha異yi,而er不bu同tong氣qi源yuan的de生sheng產chan成cheng本ben也ye可ke能neng存cun在zai很hen大da差cha異yi,這zhe些xie因yin素su都dou會hui影ying響xiang廠chang商shang利li潤run,因yin此ci淨jing回hui值zhi定ding價jia可ke能neng產chan生sheng超chao額e利li潤run。比bi如ru說shuo,隨sui著zhe我wo國guo天tian然ran氣qi對dui外wai依yi存cun加jia大da,采cai用yong與yu國guo際ji接jie軌gui的de價jia格ge原yuan則ze,如ru果guo政zheng府fu對dui資zi源yuan采cai用yong低di稅shui負fu,那na麼me,由you國guo際ji天tian然ran氣qi市shi場chang價jia格ge倒dao推tui出chu的de國guo內nei價jia格ge,可ke能neng超chao過guo國guo內nei天tian然ran氣qi生sheng產chan商shang的de成cheng本ben,產chan商shang將jiang獲huo取qu超chao額e利li潤run。
中zhong國guo是shi發fa展zhan中zhong國guo家jia,政zheng府fu可ke能neng更geng傾qing向xiang於yu實shi行xing成cheng本ben定ding價jia法fa,掌zhang握wo定ding價jia主zhu動dong權quan,調tiao節jie合he理li利li潤run的de幅fu度du,兼jian顧gu消xiao費fei者zhe負fu擔dan,把ba能neng源yuan價jia格ge維wei持chi在zai較jiao低di的de水shui平ping。但dan是shi,考kao慮lv到dao今jin後hou能neng源yuan稀xi缺que和he低di碳tan發fa展zhan的de需xu要yao,市shi場chang淨jing回hui值zhi法fa應ying該gai是shi市shi場chang化hua改gai革ge的de方fang向xiang。因yin為wei在zai選xuan擇ze可ke比bi價jia時shi,選xuan擇ze天tian然ran氣qi的de替ti代dai能neng源yuan中zhong可ke獲huo取qu的de最zui低di價jia格ge為wei市shi場chang價jia,除chu了le體ti現xian了le市shi場chang供gong求qiu關guan係xi,還hai體ti現xian了le清qing潔jie發fa展zhan的de理li念nian。
shishishang,suizhewoguotianranqijinkouyicundukuaisutisheng,dingjiayuguojijieguishidashisuoqu,erxuanzeguojitianranqishichangjiageweijizhunjinxingdaotui,shiguojijieguidejibenzuofa。dangran,liyongjinghuizhifajiyuguojitianranqijiagededaodeguoneijinkoujia,chulebijiaogaodeguoneitianranqijiage,haihuidaozhichangshanghuodechaoelirun,yinci,zhengfuxuyaoshixingxiangduishichanghuadeshouduanjiejue,birucankaoduishiyouzhengshoubaolishui。
zongshangsuoshu,woguodetianranqidingjiajizhigaigeriyijinpo,wubibimianbawentituodalecaigaige。gaigechushikeyikaolvxiancaiyongchengbenjiachengfaheshichangjinghuizhifaxiangjiehe,zhujianguoduweishichangjinghuizhifa,kenenghuigengfuhexianjieduannengyuanxianzhuangheyougengduoshishiyoushi。wulunruhedingjia,douxuyaotongshishishiyixiepeitaocuoshi,yijianguxiaolvyugongping。
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