Posts Tagged ‘greener living’

Renewable Fuels for Alternative Energy

The Germans have really taken off when it comes to renewable fuel sources, and have become one of the major players in the alternative energy game. Under the aegis of the nation’s electricity feed laws, the German people set a world record in 2006 by investing over $10 billion (US) in research, development, and implementation of wind turbines, biogas power plants, and solar collection cells. Germany’s “feed laws” permit the German homeowners to connect to an electrical grid through some source of renewable energy and then sell back to the power company any excess energy produced at retail prices. This economic incentive has catapulted Germany into the number-one position among all nations with regards to the number of operational solar arrays, biogas plants, and wind turbines. The 50-terawatt hours of electricity produced by these renewable energy sources account for 10% of all of Germany’s energy production per year. In 2006 alone, Germany installed 100,000 solar energy collection systems.

Over in the US, the BP corporation has established an Energy Biosciences Institute (EBI) to spearhead extensive new research and development efforts into clean burning renewable energy sources, most prominently biofuels for ground vehicles. BP’s investment comes to $50 million (US) per year over the course of the next decade. This EBI will be physically located at the University of Illinois Urbana-Champaign. The University is in partnership with BP, and it will be responsible for research and development of new biofuel crops, biofuel-delivering agricultural systems, and machines to produce renewable fuels in liquid form for automobile consumption. The University will especially spearhead efforts in the field of genetic engineering with regard to creating the more advanced biofuel crops. The EBI will additionally have as a major focal point technological innovations for converting heavy hydrocarbons into pollution-free and highly efficient fuels.

Also in the US, the battle rages on between Congress and the Geothermal Energy Association (GEA). The GEA’s Executive Director Karl Gawell has recently written to the Congress and the Department of Energy, the only way to ensure that DOE and OMB do not simply revert to their irrational insistence on terminating the geothermal research program is to schedule a congressional hearing specifically on geothermal energy, its potential, and the role of federal research. Furthermore, Gawell goes on to say that recent studies by the National Research Council, the Western Governors’ Association Clean Energy Task Force and the Massachusetts Institute of Technology all support expanding geothermal research funding to develop the technology necessary to utilize this vast, untapped domestic renewable energy resource. Supporters of geothermal energy, such as this writer, are amazed at the minuscule amount of awareness that the public has about the huge benefits that research and development of the renewable alternative energy source would provide the US, both practically and economically. Geothermal energy is already less expensive to produce in terms of kilowatt-hours than the coal that the US keeps mining. Geothermal energy is readily available, sitting just a few miles below our feet and easily accessible through drilling. One company, Ormat, which is the third largest geothermal energy producer in the US and has plants in several different nations, is already a billion-dollar-per-year business—geothermal energy is certainly economically viable.

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Investing in Alternative Energy Stocks

Alternative energy stock portfolios are a great part of a modern investor’s financial plan, due to the fac that there is so much upward potential. These make excellent long term growth investment vehicles, and the money put into them by you, the investor, serves to further the cause of implementing the alternative energy power sources that we need as we sail into the 21st century and beyond.

Analysts predict that by 2013, the alternative energy industry will be a $13 billion dollar industry in today’s dollars. This figure bespeaks an enormous return on investment. Indeed, if you were to invest in a start-up alternative energy company, you might find yourself having invested in the next Microsoft in terms of return on investment. People are fed up with the rising costs of gasoline—while this alone is not sufficient understanding of the need for developing alternative energy sources, it is a factor which can act as a market maker—meaning for you that investments in alternative energy companies makes a lot of financial sense.

However, this does not mean that you don’t first want to do some careful research into alternative energy stocks, perhaps with the help of a financial planner. “A few alternative-energy companies are going after the right markets but that doesn’t mean you should go buy every name in the sector. Investors need to be cautious about chasing the stocks,” says Sanjay Shrestha, who is an analyst at First Albany Capital. And if you are an investor, then you know that the problem in this sector is that nearly every single one of the major players in the alternative energy for profit game are start-ups or in the very early stages of growth. This means for you that they have relatively minuscule (even if rapidly growing) sales, and no expected profitability in the near term or history of earnings for you to be able to research. This can lead to some bubbling, as with what happened to the dot-com industry at the turn of the 21st century. Bubbling in the stock market is not a good thing for investors.

Ananlysts and financial planners can play a crucial role in helping you get it right with alternative energy investing. “We don’t play around in the tiny cap stocks that have technology and not much revenue—the ‘hope’ stocks. We invest in companies with clear cash-generation plans in place,” are the words of Ben walker, who is a senior portfolio manager at the Gartmore Global Utilities fund out of London.

Still, the outlook is very positive overall—and healthy. “It is good to see that the number of renewable energy funds and the amount of money flowing into these funds is increasing,” according to chief executive of UK alternative elecricity supplier Good Energy Juliet Davenport. “The renewable generation market is at an important stage in its development; it needs the continued support of the consumer, investor and government to ensure that it reaches its potential and really starts to make a difference to climate change.”

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Alternative Energy from the Ocean

Ocean Thermal Energy Conversion (OTEC) was conceived of by the French engineer Jacques D’Arsonval in 1881. However, at the time of this writing the Natural Energy Laboratory of Hawaii is home to the only operating experimental OTEC plant on the face of the earth. OTEC is a potential alternative energy source that needs to be funded and explored much more than it presently is. The great hurdle to get over with OTEC implementation on a wide and practically useful level is cost. It is difficult to get the costs down to a reasonable level because of the processes presently utilized to drive OTEC. Ocean thermal energy would be very clean burning and not add pollutants into the air. However, as it presently would need to be set up with our current technologies, OTEC plants would have the capacity for disrupting and perhaps damaging the local environment.

There are three kinds of OTEC.

“Closed Cycle OTEC” uses a low-boiling point liquid such as, for example, propane to act as an intermediate fluid. The OTEC plant pumps the warm sea water into the reaction chamber and boils the intermediate fluid. This results in the intermediate fluid’s vapor pushing the turbine of the engine, which thus generates electricity.  The vapor is then cooled down by putting in cold sea water.

“Open Cycle OTEC” is not that different from closed cycling, except in the Open Cycle there is no intermediate fluid. The sea water itself is the driver of the turbine engine in this OTEC format. Warm sea water found on the surface of the ocean is turned into a low-pressure vapor under the constraint of a vacuum. The low-pressure vapor is released in a focused area and it has the power to drive the turbine. To cool down the vapor and create desalinated water for human consumption, the deeper ocean’s cold waters are added to the vapor after it has generated sufficient electricity.

“Hybrid Cycle OTEC” is really just a theory for the time being. It seeks to describe the way that we could make maximum usage of the thermal energy of the ocean’s waters. There are actually two sub-theories to the theory of Hybrid Cycling. The first involves using a closed cycling to generate electricity. This electricity is in turn used to create the vacuum environment needed for open cycling. The second component is the integration of two open cyclings such that twice the amount of desalinated, potable water is created that with just one open cycle.

In addition to being used for producing electricity, a closed cycle OTEC plant can be utilized for treating chemicals. OTEC plants, both open cycling and close cycling kinds, are also able to be utilized for pumping up cold deep sea water which can then be used for refrigeration and air conditioning. Furthermore, during the moderation period when the sea water is surrounding the plant, the enclosed are can be used for mariculture and aquaculture projects such as fish farming. There is clearly quite an array of products and services that we could derive from this alternative energy source.

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Saving Energy – Heating Your Home in a Lukewarm Economy

The practical approach and the classic way to do it are to apply the adage, “Use less, save more”. While everyone could agree on that, the devil will always hound the details, so how?

Even before the news of a cooling economy hit the papers, consumers across the globe have been finding ways to save money, trying always to have more with less. This is truer now.

With cooler winters ahead in many parts of the world and rising energy prices, the Alliance to Save Energy predicted that the average American household will have to spend $1,700 more on utility and gas pump this year compared to just two years ago. Using less and saving more is still a good idea, but alone, it may not suffice.

This year, winter heating cost is projected by the Energy Information Administration to increase an average of 15%. This is not only caused by higher energy costs but by the cooler winters that are expected.

The 15% projected higher heating costs will of course vary and is dependent to some variables like the characteristics of the space heated, the kind of fuel used for heating and where the consumer is located. Just the same, homes using natural gas as its fuel for heating, which comprise 50% of American households can expect an increase in heating cost by as much as 18%; households that are using oil could expect an increase in heating costs by as much as 23%; while those using electricity and propane will have to shell out about 10% to 11% more.

The advancement in technology gives rise to energy saving devices. Before, the main contention was that most of these devices cost more; and sometimes, the amount of energy saved did not really justify the price. But in today’s setup, the effort in cutting the energy cost has made some improvements on the efficiency of energy saving devices. With the threat of a cooling economy, energy saving devices are once again in focus. There are various and very practical devices that could be used in saving energy and they come in different brands, labels, methods of operation and products. Some saving energy suggestions are:

The solar heaters – this energy-saving device provides heating for both space and water. Depending on the type of solar heater that is used (be it a part of the structure of the home or one that engage the use of a mechanical device), solar heaters are definite money saver. It is easy on the environment too. Greenpeace should love this one.

Electrical saving devices. These are devices that you plug into your socket that promise to reduce the volume of energy that you consume by stabilizing the flow of your electric current. The only limitation to these devices is that it could only control a specific volume of wattage, say 3000 watts, at any given time. If the household will use more than the wattage capacity that the device could handle, another device should be plugged in.

Finally, there are the energy saving light bulbs, lamps, heaters, appliances and other gizmos and gadgets.

But the fact remains that saving energy is fast becoming the order of the day taking into account the current realities. So if all the energy saving devices out there will still not suffice, the “use less and save more” principle will still add a good deal to your savings.

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Solar Energy – New Discoveries

The day may not be far off when the use of solar energy becomes a norm. There is now a deep conviction among experts that given a few years time, solar power will be in high demand that the cost will go down, inexpensive enough to undercut the prices of oil-generated electricity.

Previous predictions that it will still happen in a decade may no longer be true. The anger generated by the recent prices in oil and its vulnerability to market forces and other events may have already been enough to polarized people, governments and scientific communities into seriously considering a reliable alternative energy source.

You can not get a source more reliable than the sun. Even today homes that uses its power does not only benefit from the silent, energy generating, inexhaustible power of the sun, it also spikes up the prices of their homes. Those that have solar powered homes are even reimbursed for the surplus power that they supply to the power grid.

Presently, heliostats, photovoltaic cells and plate collectors are being used to collect the solar energy by focusing these panels towards the sun or constructing and installing the panel’s on spots where the sun shines most. Development in technology as we all know often has a snowball effect. It never stops rediscovering and reinventing that the speed of development could often be surprisingly fast.

Flexible Solar Energy

Today, a polymer foil, thin as a sheet of paper and lighter by 200 times when compared to the regular glass collecting plates, are being developed. Chances are, these new inventions and discoveries could very well have a great potential for mass production. Previously, the glass-based materials used for heat collection need expensive substrates and require additional support for mounting due to its weight. The polymer foil, being very light could now be attached even to the walls of a structure.

So confident are scientists in the development of this technology that while the polymer foil is being developed, a plastic solar cell, based on nano technology is gaining breakthroughs. This plastic material can collect the power of the sun even on a cloudy day through harnessing the infrared rays is believed to be five times more efficient than the current technology.

While plastic materials for harnessing the power of the sun are not new, it is only recently that this plastic composite could harvest the infrared portion. Previously, only the visible rays are generated, the infrared part, which is half of the power of the sun, is invisible.

Currently, the best plastic solar cells could only harness 6% of the suns energy, with further study and development, this new plastic solar cells are expected to harness 30% of the suns solar power.

Scientists and researchers alike agree that ultimately, solar farms will be harnessing all our energy requirements and costs of power will drop. Today the price of solar powered energy is about 3 to 4 times per kilowatt hour compared with conventional electricity. That could change dramatically through the development of the existing technology and recent discoveries.

The roller pressed flexible plastic materials and the polymer foil are only two of the best hopes in arriving at a cleaner, greener and safer environment that could ultimately free the planet from its dependency on the depleting supply of oil.

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Hydrogen Fuel

In 2003, President George Bush announced a $1.2 billion hydrogen fuel initiative in his State of the Union address that was intended to reduce America’s dependence on foreign oil to provide the petroleum we need to produce gasoline that would power our vehicles.  That commitment allowed scientists to develop the technology for commercially viable hydrogen-powered fuel cells to power cars, trucks, homes and businesses with no pollution or greenhouse gases.

Since then, there has been so much new funding in developing hydrogen fuel as an alternative to gasoline that we are now seeing many vehicles being powered by hydrogen fuel than ever before.  Hydrogen fuel depends on fuel cells to store and process the gas that will power a vehicle.  As a result of the initiative promised by President Bush, fuel cell technology has developed so much over the years that General Motors now boosts a one hundred percent hydrogen fuel powered vehicle.

Hydrogen Fuel Reality

Hydrogen fuel doesn’t come without its downfalls.  Hydrogen is four times as expensive to produce as gasoline (when produced from its most affordable source, natural gas). The hydrogen fuel initiative seeks to lower that cost enough to make fuel cell cars cost-competitive with conventional gasoline-powered vehicles by 2010; and to advance the methods of producing hydrogen from renewable resources, nuclear energy, and even coal.

Hydrogen Fuel = Energy Independence

By using hydrogen fuel instead of gasoline, we can actually become energy independent.  We won’t have to depend on other countries for our energy resources.  Hydrogen is domestically available in abundant quantities as a component of natural gas, coal, biomass, and even water.  The Department of Energy estimates that the hydrogen fuel initiative may reduce our demand for petroleum by over 11 million barrels per day by 2040 – approximately the amount of oil America imports today.

Hydrogen Fuel = Less Pollution

Vehicles are a significant source of air pollution in America’s cities and urban areas. Hydrogen fuel cells create electricity to power cars without any pollution. The hydrogen fuel initiative may reduce America’s greenhouse gas emissions from transportation alone by more than 500 million metric tons of carbon equivalent each year by 2040. Additional emissions reductions could be achieved by using fuel cells in applications such as generating electricity for residential or commercial uses.
Hydrogen fuel is the key to a clean energy future.  It has the highest energy content per unit weight of any known fuel.  When it is burned in an engine, it produces no emissions.  In fact, the only emission given off by hydrogen fuel when powering an engine is water vapor.

The newest, biggest thing in the alternative fuel industry is hydrogen fuel.  President Bush knew that and now the American people know that as well.  With new fuel cell technologies, owning a vehicle that is powered by hydrogen fuel alone is now a reality.  And it’s just the beginning!  How exciting!

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Overview of Geothermal Energy

As we look to alternative energy sources for our power hungry world, geothermal energy is getting attention. Here is a brief overview of geothermal energy.

Overview of Geothermal Energy

There are many different types of energy available to power our world. For years, people have used the power of burning fossil fuels, such as coal (also used to produce steam power) to create energy. In recent times, there has been a shift to using renewable resources to create the energy we need. These resources include hydroelectric power, solar power, wind power, biomass energy and geothermal energy. While many people know about the first four of these resources, geothermal energy is less well-known.

The word geothermal comes from two Greek words, “geo” and “therme”. These words mean “earth” and “heat”, which pretty much describes what geothermal energy is. Geothermal energy is energy that comes from the heat of the Earth, deep underground. The Earth’s core, where chemical reactions create massive amounts of heat, is 4,000 miles below the Earth’s surface. In this core, temperatures can reach up to 9,000 degrees Fahrenheit, and this extreme heat can be used to produce energy.

While these are the basics of geothermal energy, there are many other parts in the process to make this sort of energy usable. We can’t tap directly into the Earth’s core to receive this heat, for many reasons. So instead, people must create systems that harness the residual heat that is in the magma (molten rock) under the Earth’s crust. This heat is able to be used by tapping into the water reservoirs that are within the magma – these water stores can reach up to 700 degrees Fahrenheit. Think of Old Faithful in Yellowstone.

A well can be drilled down into the superheated water contained within the Earth’s magma -  the geothermal reservoir. Once these geothermal reservoirs are tapped into, the heated water and steam can rise to the surface, and be used to power geothermal power plants as well as in smaller scale projects for personal household use. When used in geothermal power plants, the steam from the heated underground water is often used to power turbines, which then generate energy which can be harnessed as electricity.

By using the Earth’s own heat and water, energy can be created that can be used on a small or large scale. This renewable resource (you can’t deplete the Earth’s heat!) is also cleaner and safer than many other types of energy, making it a great type of ecologically sound energy source.

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