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Beware of These Strong Buys

It's an understatement to say that investors are excited by the opportunities in green tech.

John Doerr, one of the world's most successful venture capitalists, called cleantech the "biggest economic opportunity of this century." One of the best-performing stocks of 2007 was none other than First Solar, up an incredible 795%. And recent data from the Cleantech Group (reported by CNET News) showed that VC investment in green tech increased 44% in 2007 -- from $3.6 billion to nearly $5.2 billion.

Triple back-up-the-truck, booyah, right?

Not so fast
A centerpiece of the recent Roth Capital investment conference in California was an "Investing in Green Tech" expert panel. Its goal was to reveal how to make obscene profits by investing in green tech stocks.

But it did the exact opposite.

As the panel went on, it became clear that even these experts -- people who now devote their careers to advancing green technologies -- weren't quite sure what the perfect green tech policy, incentive, initiative, or technology looked like. But who could blame them?

Wrap your head around this ...
First, there's significant government involvement in the sector that distorts market forces. That is an immediate red flag for prospective investors. Whenever the government is involved in something, there can be no certainty.

Second, green tech development cycles are becoming increasingly rapid. What seems like a great idea today could be obsolete tomorrow. For an investor in an early-stage company, your product may never get to market -- so you're staring down a significant risk of total capital loss.

Finally, though we can expect more “green” spending in an Obama administration, our country still hasn't decided what the goal of green tech is. Is it to increase efficiency and reduce demand? If that happens, energy prices will drop and consumption will just rise again. Is it to build cleaner generation and consumption technologies? Unfortunately, every alternative solution has a shortcoming. Wind, for example, tends not to blow during hot days, when demand is highest. And windmills aren't always welcome additions to a community's skyline. Other groups just want to achieve energy independence, while still others are willing to pay any price to stop global warming. These may all be noble goals, but there is no consensus.

Buyer beware
Yet, investors continue to throw money at the sector and remain optimistic about current investment opportunities. Just look at the analyst ratings for a few well-known green tech stocks:




First Solar



Suntech Power






JA Solar



Ascent Solar (Nasdaq: ASTI  )



ReneSola (NYSE: SOL  )



Emcore (Nasdaq: EMKR  )



That overwhelmingly positive analyst sentiment could entice you to enter the sector. This comment from Lisa Bicker of CleanTech San Diego, however, might send you running in the other direction: "The capital markets for these types of investments are very frothy right now, yet there are few productive investments available."

A case study
What happens when frothy markets meet a lack of productive investments? Take a look at ethanol stocks over the past two years. It was once thought that ethanol could make the U.S. both greener and more energy independent, but recent research has revealed that ethanol production could offset or, even worse, outweigh the greenhouse gas reductions caused by its use. What's more, the combination of rising corn prices, and farmers growing more corn and less of everything else, has led to higher food prices across the board.

Of course, demand for ethanol wasn't necessarily stoked by market forces. The government, the politicians who coveted the Iowa primary, and several powerful interest groups were very much involved in making ethanol a green tech priority.

All of this combined to make ethanol stocks a very bad investment when they were touted in the spring of 2006. For example, on April 5, 2006, analyst Michael Brush wrote about a few "ethanol stocks to get revved up about." Here are the performances of those picks since his article was published:


Return since

Green Plains Renewable Energy (Nasdaq: GPRE  )


Pacific Ethanol (Nasdaq: PEIX  )




MGP Ingredients (Nasdaq: MGPI  )


Another high-profile ethanol play, VeraSun Energy, IPO'd in June of that year with shares trading at $25 per share. It recently filed for bankruptcy.

I am not against saving the world
Energy companies pursuing green solutions are not bad or misguided companies. The world is clearly pursuing solutions for cleaner energy, even as the demand for energy around the world rises.

Still, investors can turn even the best company into a bad buy by paying the wrong price. That's a real risk in the green tech sector, where outcomes are uncertain and valuations are "frothy."

If you do it, do it right
Nonetheless, there is a wide market opportunity for green tech companies today -- and a wide market opportunity is a core trait we look for in the small companies we recommend to investors in our Motley Fool Hidden Gems service. So, while we're somewhat wary of the sector, we're also taking a long, hard look at it.

Governing that research are a few tips from those Roth conference panelists:

  • Focus on green initiatives that offer customers immediate return on investment. They're most likely to be adopted.
  • Pay attention to the large utilities that will make many spending choices going forward. They will be extremely interested in distributed generation, energy storage, and advanced metering technologies because peak demand for electricity is an enormous challenge.
  • Watch hybrid vehicles; they have real consumer appeal, and they're one of the few ways individuals can participate tangibly in emissions reduction.
  • Do not overpay.

So, while we're looking hard at green tech at Motley Fool Hidden Gems, we won't recommend any stock at the expense of a compelling valuation. When it comes to buying green tech stocks, you should do the same.

This article was first published on March 7, 2008. It has been updated.

Tim Hanson does not own shares of any company mentioned. As a vigilant steward of the environment, he walks to work, uses reusable bags at the grocery store, and pushes the limits of his wife's tolerance for heat when it comes to managing the air conditioner at home. Suntech Power is a Motley Fool Rule Breakers recommendation. The Fool's disclosure policy doesn't require that he tell you all of that, but you can read about what is required here.

Read/Post Comments (6) | Recommend This Article (6)

Comments from our Foolish Readers

Help us keep this a respectfully Foolish area! This is a place for our readers to discuss, debate, and learn more about the Foolish investing topic you read about above. Help us keep it clean and safe. If you believe a comment is abusive or otherwise violates our Fool's Rules, please report it via the Report this Comment Report this Comment icon found on every comment.

  • Report this Comment On November 11, 2008, at 1:40 PM, friscoflyr wrote:

    The fact that wind doesn't blow all the time and the sun doesn't shine all the time is a tired excuse for talking down renewable energy. It's the big "intermittancy" problem. We are told that solar and wind can't amount to much help with the energy crisis because they are too intermittent. This is supposed to explain why these sources now provide only 1% or less of U.S. energy.

    Sounds like a good rational explanation right?

    Then how come Denmark now gets 20% of their electricity from wind power. And how have parts of Germany and Denmark achieved over 40% wind power? I think the answer lies in the fact that they don't have oil company lobbyists.

    What has happened with ethanol in no way can be projected to the solar industry. Everyone in the environmental movement has known for some time that ethanol is not a good choice for long term energy solutions. Solar and wind are good choices,

    They are completely sustainable. Ethanol is not, at least until better methods of creating it are used, like algae based or cellulose based ethanol.

    As far as government distorting market forces, how about the $84 billion in annual tax credits and subsidies for the oil and gas industry, as estimated by setametica free? (see link below)

    How about the big subsidies for nuclear and coal?

    I discuss these things at my blog.

    Obama's top priority is in supporting clean energy, because he understands that it will kill three birds with one stone - the environment, the economy and the energy crisis.

  • Report this Comment On November 11, 2008, at 1:51 PM, Loser2Master wrote:


    Where were you when all the above stocks were 500% higher ? Guess u just like to join the herd. Solar and Wind will survive and I hope in 2-3 years from now, most of the good players would be 2-3 times from the current price.

    I would recommend you not to buy any alternative energy stocks and stick to your insticts. We will see who is right in 2 years/

  • Report this Comment On November 11, 2008, at 2:02 PM, kevinwinter wrote:

    From an investing standpoint, the entire solar sector freaks me out. Companies pop up and go bankrupt before I can call my broker. And one of these in 10 years is going to be the size of Switzerland. So far, few have seemed to get cash flowing, much less profit. I'm reminded of the story about the gold rush- few miners made any real money; the best bet was on the guys who sold supplies to the miners. They made a killing.

    So in solar, I'm betting on the companies who make the film used, not the guys bolting it to my roof. Like a local (ha!) company MEMC, or many others. The only company I KNOW will make money on alternative energy is GE- but they're going to have to take over the sector (they might...) to generate a blip on their massive balance sheet.

    I'm sure one of these will make you rich. Good luck. But for now, I'm going to let the market settle out which direction we're going with this train, and then I'll figure out who's sitting in first class.

    There's the risk of sitting too long, but rule #1 is "never loose money." And right now, with everything that's going on, it's just not clear who's bluffing and who's got game.

  • Report this Comment On November 11, 2008, at 2:52 PM, Bootluver wrote:

    More Foolish talk! Why do you FOOLS keep insulting us!!! WE all know the market is no longer about anything other than manipulation. Stop talking all this other nonsense about earnings and other worthless info and begin doing us all a service and tell us all the ways the big "pig money" has been creating this volitile market so they can rob the middle of of the US. IF not, then just shut up! Boots, DE

  • Report this Comment On November 13, 2008, at 8:38 PM, forest8008 wrote:

    I believe EMCORE will have a good income for you

  • Report this Comment On February 09, 2009, at 5:32 PM, Waitttx wrote:

    One thing I have learned from living in Texas the last 8 years; buy the companies in the state of the President; does one need examples from Texas... Exxon, Halliburton, etc, etc.

    FTEK is an Illinois based company... and involved in alternative energy. It is a good bet (all of them are bets) that it will get the money it needs to grow; too many people in Illinois connected to the company.

    The investment strategy is simple; choose the best companies in the state the new President is from and watch them grow.

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