I agree that 19 BILLION is extreme. Scana Corporation is figuring new units to cost 1.2 Billion, a mere fraction of the published price in CR.
Would CR be guilty of having an inexperienced proofreader for this item? I think that would jeopardize their credibility as a reference source for pricing, so, no.
That is why I originally posted they had gone anti nuclear.
CEO Marta L. Tellado is probably left leaning

and her first boss was definitely an anti-nuke.
Marta came to CR following 25 years of experience that included executive roles in public service, philanthropy, and nonprofit management, reflecting her strong commitment to making a difference in the lives of people most in need. At the Ford Foundation, she was Vice President for Global Communications and an officer of the board. While there, she led strategic communications and advocacy on a range of issues in the United States and around the world, including
economic fairness, free and fair access to an open Internet, and civil rights. She began her career in the consumer movement working alongside
Ralph Nader. Her government service was with former
US Senator Bill Bradley of New Jersey—the state where she was raised following her family’s journey from her birthplace of Havana, Cuba.
http://www.consumerreports.org/cro/about-us/leadership/leadership-profiles/index.htm?pn=0