Some PJM Interconnection stakeholders that represent natural gasfiredpower generation interests expressed concern Thursday overproposed tariff revisions that address gas contingency costrecovery, saying the changes could reduce reliability, among othercomplaints.PJM along with its members and stakeholders have beendeveloping rules that would direct power generators to switch to analternate fuel or gas pipeline if there were a gas pipeline infrastructuredisruption, known as a gas contingency.These contingencies involve gas infrastructure component failures,such as pipeline breaks or the loss of compressor stations caused byweather events, cyber threats or physical attacks.
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机译：代表天然气 r n发电利益的一些PJM Interconnection利益相关者在周四对拟议的关税修订提出了担忧，该修订旨在解决天然气应急费用 r n回收，称这些变更可能会降低可靠性，以及其他投诉。 nPJM及其成员和利益相关者一直在制定规则，如果发生天然气管道基础设施中断（称为天然气意外事故），该规则将指导发电机切换到备用燃料或天然气管道。 r n这些突发事件涉及天然气基础设施组件故障，例如由于天气事件，网络威胁或物理攻击而导致的管道破裂或压缩机站损失。
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