Question: By default, only the most recently used plan as well as "balanced" are available. How do I display all 3 default power plans? I'd like to avoid third party programs if possible.

Answer: 
I would recommend [Battery Care](http://batterycare.net/en/index.html), a freeware tool that does more than allowing you to easily change the power plans (Power Saver, Balanced and High Performance) . See this [Battery Care review](http://answers-tips.blogspot.com/2010/05/optimize-usage-and-performance-of.html)
I'll throw in a late update to this, [Power Scheme Switcher](http://powerschemeswitcher.codeplex.com/), under the MIT license with source code available from the same place. Built in C# on Visual Studio 2012.