Fire! Fire! Fire!
The [U.S. Chamber of] Chamber is one of almost 200 associations that are members of the Coalition for Affordable American Energy, which commissioned the study.
Source: Obama emissions plan to cost $1400 per family (Hat tip: Carlos Ferreirra).
More objectively, perhaps, an April 2009 RFF working paper finds that if carbon allowances are "auctioned and returned per capita to every consumer" in a progressive manner then the annual costs are annual benefits to those in the first five income deciles and rise from virtually nil to less than $800 for the 10th decile [Impact of Cap-and-Trade AFPN.pdf].