One of the most ambitious transmission projects in America today is CAPX2020. In this second of two exclusive interviews, Fortnightly's Spark talks with Teresa Mogensen, Xcel Energy’s vice president of transmission, about how the investor-owned utility collaborated with public-power utilities to develop a complex set of lines and a solid investment for shareholders.

In a recent order, the Federal Energy Regulatory Commission (FERC) said that by paying the wrong price for the ancillary service known as frequency “regulation,” system operators have encouraged too many gas-fired turbines and other conventional fossil power plants to supply regulation service.

For decades, America’s national security has been closely linked with our energy policies. Sustainable energy resources -- especially local, renewable options -- represent a lynchpin in the country’s future security. As such, it’s time to re-think the way we’re financing renewable investments.

FERC OK's PJM's capacity price floor, but questions remain about 'legitimate interests.'