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.

One of the most ambitious transmission projects in America today is CAPX2020, a series of lines in Minnesota and surrounding states. In this first of two exclusive interviews, Fortnightly's Spark talks with Will Kaul, Great River Energy’s v.p. of transmission, about how the project managed to succeed where others have failed.