In deregulated states, electricity providers simply can't do business like that because consumers like you are demanding energy from renewable sources. Threats of global warming are too terrible to be irresponsible with our energy sources anymore. As a result, each electric company is pushing forward to find renewable energy sources that are cheaper, cleaner, and more reliable than older forms of energy.
If you live in the greater Houston area, there are over 60 different energy suppliers competing for your business. Many of these providers have websites that are confusing and difficult to navigate, their rates buried in misleading advertising and dense jargon. Who has the time to sort through and keep track of options across all these different sites?