How to always get lowest cost electricity?

[Jaz Patel]

How to always get lowest cost electricity?

We looked online on

http://www.powertochoose.org/

we see that cheapest plan are mostly for 3 months.

Whats best strategy?

Is it best to look at above website every 3 months ans sign up for new 3 months plan to always get lowest cost electricity?

Any other strategies?

Is summer, cost may go higher?

Million thanks!