Showing posts with label coal. Show all posts
Showing posts with label coal. Show all posts

Tuesday, January 22, 2008

Can Coal be Clean? - Part 1

While renewables should still far and away be our top priority, one area that strikes me as (a) important and (b) filled with opportunity is cleaning up coal. A report from the UK's Parliamentary Office of Science & Technology states that as of Dec 2005, 1,000 gigawatts of global electricity come from coal, representing ~39% of worldwide energy. Coal provides 27% of the world's overall energy (i.e. electricity plus transportation), according to BP...

...and 23% of the energy in the U.S. now, rising to 26% by 2030, according to the Dept. of Energy.


So coal is already a huge portion of our energy supply, and China and India's booming economies will want new coal plants to help fuel their growth.

Meanwhile, coal's high carbon content makes it the biggest CO2 emitter per unit of electricity produced. So when you turn on your light switch, you're pumping CO2 into the air just as you are when you turn on your engine. It kind of makes you want to clean up coal, doesn't it??

Some organizations such as Greenpeace have dismissed clean coal as infeasible, throwing their support behind renewables instead. I disagree with their position mainly because they're not viewing the whole picture. Yes, renewables are always better even than "clean coal," but no, coal is not going away tomorrow. It has a huge installed base, and since coal is relatively cheap to produce, the temptation will be there (especially for emerging economies) to bring new coal plants online. We need to try to improve the clean-coal technologies.

My next post on coal will focus on the different technologies and their stages of development. Finally I'll look into economic opportunity, particularly from carbon trading.

To be continued...

Saturday, December 29, 2007

Finding the True Cost of Coal and Oil - The Feed-In Tariff

When it comes to renewable energy, the U.S. is a follower, not a leader. Our solar markets lag behind Germany, Japan, and other countries. We're addicted to cheap energy, primarily because the free market’s invisible hand is not just invisible, it’s also sometimes blind. Sometimes the cheapest option isn’t really the cheapest, which is especially true with polluting forms of energy such as coal and oil. They contain hidden costs, such as damage to the environment as well as dependence on unreliable foreign governments. These are the classic 'externality' case studies from Economics 101. And the classic solution to the classic externality case is that government steps in and 'moves the supply curve' over to reflect the true costs of the supply.

While many states in the U.S. have implemented net metering (which would allow customers to get refunds for providing their own clean energy), the Federal government just missed the chance to do more to encourage utility-scale renewable energy by failing to extend the tax credit for solar energy, which expires at the end of 2008. Meanwhile, European and other governments have been taking gigantic steps forward by implementing feed-in tariffs. A feed-in tariff essentially means that you get paid more than the going rate of electricity for each kWh of clean energy that you (or a utility-scale renewable plant) feed in to the grid.

Germany is the leader, having begun feed-in tariffs in the 90s. In Spain, the generator of solar or wind energy gets paid 5x the base rate of fossil-generated electricity for up to 25 years, after which the rate drops by 20% for the life of the system. And in Ontario Canada, the utility is obligated to pay 42 Canadian cents per kWh for solar electricity, roughly four times the price of retail electricity rates. And Italy has just passed feed-in tariff legislation that should spur huge market growth there for solar and other renewables.

So why hasn’t the U.S. government implemented feed-in tariffs? The answer may be lack of political will, or it may be the sheer strength of the Coal and Oil lobbies. Another reason may be that we rarely look to our government to solve our problems. Here in the U.S. we often bristle when someone suggests that government should solve our problems instead of the free market. We're too independent.

But in this case we may be wrong… I would argue that government action is needed. To demonstrate the point, what if instead of the government stepping in we brought in the lawyers (after all, what could be more American than that?)?

Imagine plaintiff attorneys across the U.S. banding together for the largest class-action lawsuit in history. Forget Big Tobacco, I’m talking about a multi-trillion dollar suit against Big Oil and Big Coal for global warming, and Big Oil for funding terrorism (I know, a bit sensationalist, but then again this is a lawsuit we’re talking about). Think about the trillions of dollars of damage that have been done to resources we all share, such as the earth, such as the air and the water, such as our lungs and our health. If we factored the price of that settlement into the price of oil and coal, maybe the gallon of gas would cost $10 or more, and the kWh of energy from coal would cost $0.40, not ten cents. Then our free market would wake up and build solar, wind, and even nuclear power plants by the hundreds. Then we’d ditch our 15 MPG SUVs and demand and buy the electric cars and plug-in hybrids by the millions.

But this is, for now, just a fun case study. A sturdy feed-in tariff enacted by the federal government, or by states individually, could accomplish the same results as that class-action lawsuit and help us avoid the future hidden costs of coal and oil.