Incoming president Barack Obama is expected to increase spending and provide new incentives to develop alternative energy. This provides a great opportunity for investors, says Sara Nunnally. She expects international companies like Acciona SA (MCE:ANA) from Spain to play a major role in expanding clean energy in the US.

Jim Stanton says two clean-energy ETFs that look undervalued right now are PBW and GEX. He also recommends FAN for a more wind-specific ETF.

David Fessler at Investment U says three alternative-energy ETFs should see “big moves” in the remainder of 2008 and in 2009 on the back of the bill.

Martin Denholm says wind power is taking off in the US. And big players such as T. Boone Pickens and Michael Blooomberg are throwing their weight behind the industry.

For investors who want to minimize risk in a relatively new industry, Martin recommends General Electric (NYSE:GE) and Siemens AG (NYSE:SI). These blue chips are making significant investments in wind energy projects.

It’s too early to tell whether Democrats or Republicans will make history in November. But no matter who gets elected, the next president will be good news for alternative energy stocks, says Taipan Daily editor Justice Litle.h

Floyd Brown at Investment U says Pickens has a history of being in the right place and the right time and profiting handsomely. Floyd has picked four stocks to help you follow Pickens’ lead into natural gas and wind energy…

The spot price of uranium has likely seen its low at a recent $57 and uranium stocks are cheap and unloved. This sets up a great contrarian investment play, says Russell McDougal in Investor’s Daily Edge.

Texas, of all places, is building a reputation for cutting edge alternative energy projects.

Following T. Boone Pickens’ $2-billion investment in a wind-turbine project there, Danish wind-energy company Vestas Wind Systems has said it will open its first US research and development facility in Houston.