Renewable Energy’s Bright Future: Green Energy’s Pros and Cons

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Recent international focus on secure power underscores the need to have for reevaluating all power alternatives, particularly those that are clean and renewable. Because despite the fact that the global economy is coming out of a current recession, oil prices are climbing and the demand for alternative renewable sources is consistently growing. Indeed, the option power market is one of the few markets that has observed substantial growth in the course of the recent recession of the last two years. 1 factor is clear the need for far more efficient use of electricity with the integration of renewable energy sources is present.

Intelligent Grid and the Integration of Renewable Energy Sources

The Intelligent Grid is a Department of Energy (DOE) supported project that entails an integrated program of mixed distributed resources to improve the penetration of renewable power – such as hydro, wind, solar, wind and geothermal, while delivering improved efficiency and reliability. These and other distributed resources will be fully integrated into the new intelligent, electrical grid.

What is Renewable Power?

Renewable power sources are sources of energy that are consistently replenished. These incorporate energy from water, wind, the sun, geothermal sources, and biomass sources such as power crops. In comparison, fuels such as coal, oil, and natural gas are non-renewable. As soon as a deposit of these fuels is depleted it can’t be replenished – a replacement source should be identified rather. In the United States, both renewable and non-renewable energy sources are utilized to generate electricity, power vehicles, and provide heating, cooling, and light. While renewable energy is usually more costly than conventionally produced supplies, alternative power assists to minimize pollution and to conserve fossil fuels. “Individuals at times get caught up in expense-effectiveness,” mentioned Paul Torcellini, a senior engineer at the DOE’s National Renewable Energy Laboratory (NREL) in Golden, Colorado. “But it can be a question of values and what we spend our income on.”

For comparison purposes, we will explore a few of the distinct sources of renewable power:

Hydropower

WHAT IT IS:

Hydropower refers to the use of water to generate electricity. Water is the most frequent renewable source of power in the United States nowadays. Hydroelectric power doesn’t necessarily require a huge dam – some hydroelectric power plants just use a tiny canal to channel the river water via a turbine. Other uses of hydropower contain water-cooled chiller and power systems.

PROS:

Hydropower is a renewable and non-polluting power source with out any greenhouse gas discharge and no toxic waste production.

CONS:

Exactly where dams are built in order to utilize hydropower, the expense can be substantial. Also, the unnatural block in the river’s method disturbs natural fish migratory and spawning patterns.

THE FUTURE:

Hydropower power sources should expertise powerful development in the coming decades simply because of their non-polluting nature and substantial unexploited prospective.

Wind Power

WHAT IT IS:

Wind power refers to the use of contemporary wind turbines that are utilised to generate electricity, either for individual use or for contribution to a utility power grid. The power in wind increases rapidly with its speed, which means that locating windmills in locations of strong winds is crucial. The strongest winds in the United States tend to be in Alaska, the western United States, and the Appalachians. Wind power presently supplies about 1% of United States electricity wants, but capacity is expanding rapidly.

PROS:

Wind power is plentiful, renewable and relatively inexpensive. Wind power does not produce emissions.

CONS:

Wind power produces power intermittently.

THE FUTURE:

Renewable power businesses are producing technology that is becoming far more attractive and despite the fact that this is to be expected with climbing oil prices, the demand for alternative power was climbing even two years ago when oil prices were low. In 2008, oil prices had been lower than they are these days, but 2008 was a marketplace year for wind energy installation. 1 out of two wind turbines in the United States are GE built. The painful recession that occurred in the last few years did not slow the growth of alternative renewable energy. Wind energy business is taking off with a lot more wind energy installed in 2008 than had been installed in the previous twenty years.

Solar Power

WHAT IT IS:

Solar power refers to the use of the sun’s power to offer heat, light, hot water, electricity, and even cooling, for houses, companies, and business. Regardless of sunlight’s significant prospective for supplying energy, solar power offers less than 1% of U.S. power wants. This percentage is expected to enhance with the development of new and far more efficient solar technologies.

PROS:

Solar power gives off no pollution, even so, in the course of the manufacturing, transportation and installation of these goods there is pollution produced.

CONS:

A big drawback of solar power is the big investment required in order to acquire solar cells. At present, prices of extremely efficient solar cells can be above 00, and some applications may need much more than 1. This makes the initial installation of solar panels quite expensive. Homeowners have been reluctant to embrace solar panel installations on their houses because the panels can be aesthetically unpleasing and since the technology could need puncturing an existing roof and bolting on metal supports, which can void the roof’s warranty.

THE FUTURE:

Solar panel roof tiles consist of grids of raised black cells that, up until now, have normally come in the form of significant clunky rectangular panels that either stand alone, or need to be bolted onto a roof. The marketplace prospective for aesthetically appealing solar panels that can be integrated into the roof of one’s residence is excellent. Read more at Sunslates (external link).

Geothermal Power

WHAT IT IS:

Geothermal power refers to the use of natural sources of heat inside the Earth to produce heat or electricity. Presently, most geothermal power is generated using steam or hot water from underground. Geothermal power generation produces few emissions and the power source is continuously available.

PROS:

Geothermal power is efficient and expense successful. This power source leads to savings. Moreover, this is about 70% less costly than heating a home making use of electric heating, oil or liquefied petroleum gas.

CONS:

Geothermal power is not a do-it-yourself project since of the technical understanding and machinery required for design and installation. The style alone could already be complicated to do and the pipe connection method requires appropriate training and the correct tools.

THE FUTURE:

For individual household applications, geothermal heat pumps pass air by means of a pipe below ground that stays a constant 50 to 60 degrees, heating in the winter and cooling in the summer, saving tremendous amounts on utility costs in the method. Though geothermal stocks lost considerable value in the course of the recent recession, it is anticipated that Federal incentives will lure private capital to the sector, allowing financing to go by way of for new projects.

Renewable, Green Power: Future Growth

Assumptions about world oil costs are not the only essential factor that underscores the need for renewable energy use and consolidation. It is projected that by the year 2030, the demand for electricity in the United States will jump by 30%. And with projected oil costs, as well as concern about the environmental impacts of fossil fuel use and strong government incentives for increasing the use of renewable energy, the prospects for renewable energy use will most likely improve worldwide.