Power’s out: electrical lines after Hurricane Sandy in Massachusetts, October 2012
Jessica Rinaldi / Courtesy Reuters

The U.S. electrical grid has hardly changed since the 1880s, and its reliability, effectiveness, and affordability are increasingly being brought into question. To prevent disaster, regulators must abandon outdated electrical architecture and redesign the grid. Bloomberg Analyst Brian Warshay discusses his recent article "Upgrading the Grid" with Foreign Affairs Deputy Managing Editor Stuart Reid.

This interview has been edited and condensed. A transcript is below:

REID: I'm Stuart Reid.  I'm an editor at Foreign Affairs and I'm joined today with -- by Brian Warshay who is an analyst at Bloomberg New Energy Finance.  He's also the author of an

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