请问Direct Energy 的 de-regulated 和 regulated有什么区别阿？

endeavor

原帖发在了移民版，没想到精打马上回了，速度之快令我惊讶。。。
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以下是原帖内容：
请问Direct Energy 的 de-regulated 和 regulated有什么区别阿？

字面意思很简单，但就是不明白具体是什么，大汗。。。

Direct energy essential service 是否就是现在的 de-regulated
没有仔细看网站，扫了几眼也没看到 essential service....

endeavor

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趁斑竹还没给出专业的解释，咱把自己刚做的功课缴以下：
8 C# a0 C2 J7 d- n) \regulated:
    * You can remain on a regulated rate provided by Direct Energy Regulated Services – where your rate may go up and down due to supply and demand, weather changes and world events.
    * Or, you can choose an energy plan from an energy retailer, which may offer price stability by providing a fixed price for the length of your agreement.
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  \$ p, g3 B- y/ A2 vAt Direct Energy, we have a variety of natural gas and electricity plans designed with you in mind. Whether it's the convenience of a single bill, saving money on administration fees or fluctuating energy rates – we offer innovative products to meet your unique needs.
Choose the plan that’s best for you

- E& Y+ n5 G' A/ b# P% [0 hOur Seasonal Energy Plan is a dual fuel plan that provides you with stability and peace of mind
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% E4 G. |% W  u9 \- \Our Flat Plan offers the security of a fixed price, protecting you against market and regulated rate increases. That means even if market rates go up, your price is guaranteed not to increase.
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Open Flex Plan
Your natural gas and electricity prices float with the market There is no term obligation, so you can cancel your plan at any time.
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0 }; x2 K0 U  T# w. a1 ]4 p这两个都可以浮动，也可以固定。貌似没有大的区别。
不过regulated 提到了 energy retailer 也说可以remain regulated rate(浮动）， 而de-regualted是选择plan， 感觉这个分类搞得怪怪的，还是我没有看完，没有看到点子上，理解有问题，越发糊涂了。。。
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* Z$ N8 n8 H! O! L7 I* b还是等精打把

精打细算

你狠！也够快的。 小家伙睡觉硬把我拉去陪~
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5 b# w7 p7 M/ J0 {* T5 k好，大致上
$ Z( M  ?! Y, n7 t( A7 \. dRegulated = 管制。 也就是说，所有价格是经过某一机构审核后批准涨幅、跌幅价格。
以天然气为例

Prior to 1985, the price of natural gas was set by agreements between the federal government and the Province of Alberta. With the signing of the Natural Gas Markets and Pricing Agreement on October 31st, 1985, otherwise known as the “Halloween Agreement”, natural gas prices are now determined by the competitive forces of supply and demand.
4 Y# X! r  Q& a) u1 _, X目前亚省天然气是经过 (Alberta Utilities Commission) AUC 批准的。
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0 u8 n6 Y' ]6 i# `; B) A/ ]de-regulated 是指不需要经过审核的价格。 这个就是所谓目前几家公司向个人签署的天然气或电源供应，以合约价格订下一定的时间长短。 由于个别公司提供的产品有异，一些合约价格可以随着市场价格涨跌。