电力市场中的辅助服务是谁向谁提供?

很难就说仅是给用户或者电源提供的。
更好的理解是为整个电力系统提供的。

中文意思：服务支付
1.A novel model for ancillary service payment in generation market
发电侧电力市场辅助服务付费新模型
2.Since before the financial crisis of 2008, consumers have been cutting back on their debt loads, with the debt service payment to disposable income falling 17% from October 2007 by this summer to 11.5% of disposable income.
2008年金融危机爆发前开始，消费者们就在缩减债务负担，偿债支出占可支配收入的比例已从2007年10月的17%降至今年夏季的11.5%。
3.The measures include a raft of tax exemptions, public service payment waivers and credit support for small and medium-sized enterprises.
这些措施包括一系列税收减免，公共服务费宽免，以及对中小企业的信贷支持。
4.However ugly those negotiations, America has never missed a debt service payment and there was little risk it would do so.
不管这类讨价还价的过程有多么丑陋，美国从未错过一次债务偿付，而且也几乎不存在出现这种情况的风险。
5.Full Service Payment System
北京联通全业务付费系统