On November 19, 2009, the Federal Energy Regulatory Commission (“FERC” or “Commission”) announced the launch of investigations into the interstate natural gas pipeline rates for Northern Natural Gas Company (“Northern Natural”), Great Lakes Gas Transmission LP (“Great Lakes”), and Natural Gas Pipeline Company of America LLC (“NGPL”) to determine if the pipelines are over-recovering cost of service, causing unjust and unreasonable rates under section 5 of the Natural Gas Act. 

On Monday, November 16, 2009, the U.S. Environmental Protection Agency (“EPA”) proposed more stringent air quality standards for sulfur dioxide (SO2) in an effort to provide additional protection to public health.  The proposal focuses on short-term exposures to peak SO2 levels, and would establish a new national one-hour standard at between 50 and 100 ppb. 

On November 3, 2009, the Federal Energy Regulatory Commission (“FERC” or the “Commission”) conditionally approved the New York Independent System Operator, Inc.’s (“NYISO”) request to subject three generators to a new market mitigation measure, effective September 8, 2009, in response to conduct NYISO identified as an abuse of market power (“November 3 Order”).

On November 10, 2009, the Federal Energy Regulatory Commission (“FERC” or the “Commission”) rejected a proposal by NorthWestern Energy (“NorthWestern”) to amend its Open Access Transmission Tariff (“OATT”) to require that wind generators provide their own regulation services for power exported outside of its balancing authority area.

On October 21, 2009, four former chairmen of the Federal Energy Regulatory Commission (“FERC” or the “Commission”) filed a brief as amici curiae at the United States Supreme Court (“Supreme Court”), arguing that a lower court’s interpretation of  the Commission’s backstop transmission siting authority was too narrow (see February 20, 2009 edition of WER).