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在市场化电价环境中,如果输电线拥堵时,各发电企业和用电企业谁有优先权?谁为拥堵付费?如何通过市场机制决定输电资源的分布、新建和扩充?这些问题不应该被忽视。最近有报道指新一轮电改方案已就电价形成机制达成共识,将推广直购电,形成市场电价机制。这一改革方向无疑是鼓舞人心的。在已经推进电力市场改革的国家和地区中,通常有两种电价形成机制:反映实时市场的竞价上网和节点价格机制以及直购电的双边长期合同订定机制。
How to determine the distribution, new construction and expansion of transmission resources through market mechanism? These problems should not be neglected in the market-oriented electricity price environment if the power transmission lines are congested, and which power generation enterprises and power-consuming enterprises have priority? . Recently, there have been reports that a new round of electricity reform plan has reached a consensus on the electricity price formation mechanism and will promote direct electricity purchase and form a market electricity price mechanism. The direction of this reform is undoubtedly inspiring. In the countries and regions that have already promoted the electricity market reform, there are usually two electricity price formation mechanisms: the bidding price and node price mechanism that reflect the real-time market, and the bilateral long-term contractual mechanism for direct power purchase.