Sempra

NRG buys Green Mountain Energy; Sempra divests domestic retail commodity operation, buys back $500 million in shares; TransCanada sells $1 billion in 10-year notes; Entergy floats $1.5 billion in four tranches; Exelon sells $900 million in two bond offerings; plus issues by Southern Company, Edison International, Nevada Power and CMS.

Blackstone and NRG acquire Dynegy assets; Constellation grabs Boston Generating; Exelon gets Deere Renewables; plus details on nearly $7 billion in bond offerings during the month of August, including: a two-tranche, $2 billion issue by Chesapeake; NRG’s $1.1 billion flotation; and major issues from Sempra, Edison International, FPL, Detroit Edison, Dominion and others.

Utilities are taking advantage of a sweet spot in the capital markets, pre-funding and refinancing at record low rates. But cheap money won’t resolve overhanging uncertainties preventing cap-ex projects and M&A deals. Greater certainty in America’s economic and policy outlook will clear a path for strategic change.

In 2009, unconventional shale gas emerged as the dominant driver in North American natural gas markets. Rapid increases in shale gas production and shale-driven upward revisions to the U.S. natural gas resource base have reversed the outlook for the U.S. natural gas supply. In contrast, the economic recession and growing uncertainties around the role of natural gas in power generation have clouded the outlook for natural gas demand. Natural gas has been called the “bridge fuel” for its potential to support the transition to a low carbon U.S. economy.

When the applause dies down, the smart grid may turn out to be its own worst enemy. The California Independent System Operator (CAISO) explained this irony in comments it filed in May, after the FERC asked the industry for policy ideas on the smart grid.

What a difference a year can make. Since September 2008, M&A has slowed dramatically as both buyers and sellers play a waiting game. So who will blink first?

New federal policies have opened the gates to utility investments in renewable generating plants. Some states, however, still make it difficult for utilities to put such assets into the rate base. Executives at Duke, OG&E, PG&E and Xcel Energy discuss challenges and opportunities affecting their renewable investment strategies.

The credit crisis has split U.S. utility companies into the haves and have-nots. Companies that planned ahead are enjoying the benefits of liquidity, while the rest are struggling to manage their financial risks in a volatile market. Nevertheless, companies across the sector are cutting spending and deferring projects as they weather the storm.