You can see lots of attention is focused towards alternative and renewable energy systems. This is due to the soaring energy costs and the need to decrease the climate change effects over earth. Though these solutions may seem complicated for the homeowners in their daily chores, however, the fact is that they are now becoming more accessible to common man. There are number of options available for homeowners which can prove pretty affordable financial investment. Also, by treading these paths, you can benefit from state and federal tax and avail the utility rebates and incentives. The below are the top seven ways which the home owners can heat and power their homes via renewable energy systems.

1) Solar panels

These are generally installed over the roof at any home or simply at some large size backyard area. The cost may range around 10, 000 -20,000 dollars. If you install these solar panels at your place, you become eligible to benefit from most of the state and federal utility tax incentives and credits. This can therefore help you in reducing the cost up to 50 percent. It can be a good choice due to lots of flexibility attached in it.

The buyers get the choice of storing the produced electricity in batteries or selling it back to any utility company. You can therefore always remain connected to the grid at your home and at the same time have a backup for several days of high energy use. Hence when there is any power failure or shutdown from the utility company, you have sufficient power to use at home. Hence no more worries about the any rolling blackouts and severe winter storms. Generally, you will find the solar panels with ten year warranty and within that amount of time, you can recover easily your initial investment through the utility bill savings.

2) Solar hot water system

These systems are competent to render radiant heat in your home and cost wise, the solar hot water system can range around 7,000 to 15,00o dollars. It can save around 60 percent of your hot water heating costs on an annual basis. The federal, state and utility tax incentives and credits can help you in saving 50 percent of the total cost on energy consumption. You can use this system at different places like spas, pools and for your home heating. Also, the hot water heaters can be fueled using the solar energy via this system.

3) Wind turbines

By installing wind turbines you can save up to 15 percent in your utility bills. Any smaller wind turbines can range around 1000 to 5000 dollars and can benefit for federal, state and utility incentives and tax credits. In order to install the wind turbines for your home, you should be based at a proper location along with having right wind conditions and lastly, it must accommodate in your home owners association.

4) The hydrogen gas fuel cells

The hydrogen gas can easily be extracted through the natural gas coming at your home via a gas line. This extracted hydrogen gas can be then used to power the hydrogen gas fuel cells to create electricity, water and oxygen. By generating electricity via this system you are able to harness heat, water and oxygen. In this way you get three things at the same time with one system. You can use the heat at your place along with getting electricity. To run this system, you simply need a natural gas line at your home. The cost of Hydrogen gas fuel cells system start from 20,000 dollars and is eligible for the federal, state and utility incentives and tax credits.

5) Geothermal heating and cooling systems

In this system a liquid tube is drilled 400 feet inside the earth surface near your home. This liquid tube is meant to pump the cooling or heat from the earth in your house which helps in maintaining the temperature inside your place. The geothermal heating and cooling systems decrease cooling and heating cost to around 50 percent and the cost may range around 10,000 to 20,000 cost dollars. The geothermal heating and cooling systems is eligible for the federal, state and utility incentives and tax credits.

6) Biomass combustion boilers

The number of waste wood and other kind of biomass stuffs can be used to generate steam and electricity with the help of running the generator or turbines. The kind of biomass you select would determine the emissions produced. By converting the biomass into a gas before the combustion procedure can help you in harnessing cleaner burning and find low level emissions. This can be obtained by simply decaying biomass into the methane gas. Generally, this system is used by farmers and people who keep live stock.

7) Micro hydro energy systems

This system utilizes reaction or impulse turbine generator along with stable water supply to produce electricity. This option can only availed by people who live nearby any stream, river or at places receiving steady kind of rainfall. Hence places where you can see water funneling on a consistent basis can benefit from the micro hydro energy systems. If water utility can supply you water then with proper piping mechanism, you can get power from this system. The micro hydro energy systems can range around 1000 to 15,000 dollars. If you plan to have this system at home, you have to check whether its installation is eligible for the federal, state and utility incentives and tax credits.

By generating your own energy can be both environment friendly and money saving exercise. Also, you can benefit from the state and federal financial incentives by treading any of the method discussed above in the article.

About the author: Alia Haley is a blogger by profession. She loves writing on technology, health and parenting. Beside this she is fond of games and gadgets. These days she is busy in writing articles on her sites diyhealth and automotto.

Here’s a good article on a recently completed solar thermal tower (aka concentrated solar power or CSP) in the desert between Las Vegas and Reno, NV.

The thing to like about solar thermal, as we’ve often discussed here, is that it affords us a fairly low-cost way of storing energy and delivering it when the sun isn’t shining. This is due to the fact that in today’s world, we can store heat energy (in vats of molten salt) far less expensively than we can store electrical energy (in batteries). Thus solar thermal installations can be treated as baseload, delivering power on a consistent 24X7 basis.

That’s the good news.

The bad news is that they’re still expensive – in the neighborhood of $5 – $7 per Watt.

Yet those of us who favor solar thermal believe that costs will fall dramatically as these technologies mature. Solar thermal is really in its infancy, lagging several decades behind photovoltaics (PV) and wind in terms of its development. The plummeting cost of PV (to about $1 per Watt) wouldn’t have happened in a million years without the support of an enormous number of public and private agencies. I’m among those who hopes that solar thermal will be given the same chance.

Here’s an interview with 2GreenEnergy Associate Agostinho Miguel Garcia, who’s working on a very interesting solar thermal (concentrated solar power / CSP) project in Namibia – a country whose conditions are perfect for CSP.  

Agostinho’s headquartered in Lisbon, but works all over the Eastern Hemisphere.  Great guy.   

In response to my congratulatory email, Agostinho writes:  ”Thank you! This is very important for Namibia. I hope this brings them on the CSP map.”

I hope so too.

I’ve often written about how astonishingly little of the Earth’s surface needs to be covered in a solar collecting technology, e.g., solar thermal, in order to provide 100% of the world’s energy needs. Linked above is a wonderful graphic that makes this clear.

Don’t get me wrong: the task of deploying that much solar thermal is not something that we can do overnight, but it sure provides something to think about. We receive 6000 times more energy from the sun every day than we need to supply all our energy needs. It sure seems a shame that we can’t come up with a way of making this happen, and that, as a consequence, we keep depleting our ever-shrinking supply of fossil fuels, while destroying our natural environment.

While we advocate in favor of solar generally, we believe that it’s best to arm people with the unvarnished facts, one of which is “there is no such thing as a free lunch,” i.e., all forms of energy generation come with certain costs and other downsides. It’s by understanding the totality of these facts that one becomes able to have a meaningful, informed, and relevant discussion on the subject.

It’s the birthday of Alexander Graham Bell, whose telephone came as the accidental consequence of his interest in developing a tool that might teach deaf people how to speak. To me, it’s another reminder that accidental discoveries are extremely common. My friend Wally Rippel discussed this with me last time we got together.

When Sputnik was launched, we were thinking about bombs and spy satellites. Now, the applications are hurricane observation and navigational systems. 

Rudolph Diesel envisioned that the diesel engine would be used in people’s homes where they had shops so that they could do woodworking and things like that.

It sure makes one wonder about what we’re doing here and now, when the development of technology for things like clean energy is happening at an ever-accelerating pace. In fact, one of the start-up opportunities that I favor, the concentrated solar power project as described here, is based on a breakthrough that its CEO made while working on the space program decades ago.

For me, the take-away from all this is humility. I try never to be too sure I’ve fully understood the consequences of a certain idea. It may have application where I least expect it.

I just received this terse question from a reader: “What’s the ROI (return on investment) on solar thermal?”

I responded, hoping to prompt more discussion: “That’s an interesting but impossible question to answer. What is the nature of your interest in the subject, if I may ask?”

I post this brief conversation because it’s indicative of two much larger and incredibly important issues:

1) Computing the ROI for investors in new technologies like these is impossible, as no one can pick the winners from the losers at this point. Personally, I’m betting on solar thermal, and, though many agree, there are far greater minds than mine that don’t see it this way.

2) Not to get too flippant, but what’s the ROI on saving our civilization from destruction? According to Lester Brown, whom the Washington Post calls “one of the world’s most influential thinkers,”

Ice is melting so fast that even climate scientists are scrambling to keep up with the shrinkage of ice sheets and glaciers. The melting of the earth’s largest ice sheets—Greenland and West Antarctica—would raise sea level dramatically. If the Greenland ice sheet were to melt entirely, it would raise sea level 23 feet. Melting of the West Antarctic ice sheet, the most vulnerable portion of the Antarctic ice because of its exposure to both warming air and warming ocean water, would eventually raise sea level 16 feet. Many of the world’s coastal cities would be under water; over 600 million coastal dwellers would be forced to move.

Solar thermal holds the single greatest promise of clean, abundant, inexpensive energy — in the absence of which mankind will be unable to make its way across these next critical 50 years.

I’m sure this latter point was not contemplated in the reader’s question, but some folks may find it worth considering.