What's your exposure to a Texas-style electric bill?

Soaring utility bills in the Lone Star state due to extreme winter storms rais this question: are seniors in deregulated power markets at risk of similar instability in electric bills?

Griddy customers give the utility provider direct access to their checking accounts for electronic withdrawals.

Reading about the impact of the winter storm in Texas, this quote from a New York Times story really grabbed my attention:

As millions of Texans shivered in dark, cold homes over the past week while a winter storm devastated the state’s power gr…