January 26th, 2010 | 
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When we look at green energy technology it?s clear that two or more philosophies are at work here. There are major, often publicly-funded projects, such as offshore wind farms that use collections of turbines over 300 feet high and designed to provide enough green energy to run several small towns. Or there are hydro-electric and wave-power schemes that may cost hundreds of millions of dollars and take decades to come to fruition. The philosophy here is often related to political expediency as governments use their ostensibly green credentials to win votes and remain in power. This might be somewhat cynical but often we find that such large schemes are badly thought through and often have running and maintenance costs far in excess of original expectations.
The small scale approach
Then there is the small scale approach in which green energy generation is designed for either small groups of houses, or perhaps a small industrial unit or even individual homes. The market for green energy generating equipment is now growing at a very high rate despite the poor economies in much of the developed world. But commercially available green energy equipment like solar panels and wind turbines still cost more than most householders are prepared to pay. So for anyone wanting to cut their energy costs and reduce their carbon footprint but is not in a position to invest the large sums that commercially produced equipment demand, the Do It Yourself route is the only one available to us.
The DIY Green Energy approach
Now some people consider the DIY movement, if we can call it a movement, to be a penny-pinching way of doing things that has meant the death-knell of the professional tradesman. Other people might view it as an opportunity to experiment and make new things from old goods and materials. Doing things for yourself can be a very rewarding experience. To be able to understand a problem, think it through, and then experimentally and incrementally arrive at a practical solution is not only very satisfying but it is very instructive too.
DIY Green Power Guides
If you want to venture into the world of DIY green energy generation then there is plenty of help out there. The guides that now proliferate on the internet provide a wealth of information, not only on how and where to source the parts you?ll need at the lowest possible prices but also on construction methods and, crucially, the theory too. You will find as you embark on your solar panel or wind turbine projects that understanding the theory of how and why the systems work is very helpful if you want to deviate from the explicit instructions in the guides. The do it yourself concept ties in perfectly with the concept of generating green energy for your own use. Both concepts embody self-sufficiency in a way that long since seems to have disappeared from our national psyche. However, it may be that a resurgence of the indomitable spirit of the do it yourselfer is in the offing. Large-scale schemes may be the province of governments but for individuals the do it yourself approach to green energy generation is the perfect solution to cutting your costs and reducing your carbon footprint at the same time.
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It's about market research. Green is the new buzz word. I'm sure there are marketing people polling to see which words catch the attention of the viewers. It's a great generic term which can mean anything without offending anyone. If we say clean energy then people may say what about clean coal, which is still just a theory. If we say renewable that may make people think of huge turbines or solar panels and many still think these are too expensive or ugly. If you toss global warming or climate change into the conversation, many will just tune out or start a debate. So, "green" seems to be the safest choice for now.
Check out the 'fine print' with their options. These are usually (and should be) regulated by 3rd parties to verify that they are using 'green' sources. There is a minimum amount of 'green' power that all power companies must provide and that is mandated by law and not 'to make more profit' or because they want to do it.
Personally, I pay an extra $12/mo to not have my power come from coal which has so many downsides it's not practical.
Going green is more expensive, for now. The systems to provide the power simply aren't in place as of yet. As time progresses, it will become cheaper than traditional power sources. Green power has up front costs, but not many ongoing operational costs.
I would suggest the following:
Look into LEED (USGBC) and Green Globes. These are building assessment programs and are becoming mandatory for many new government buildings.
Go do Dice and other job boards and set up daily alerts for keywords like LEED and others that you come across. After a year of this you will be well aware of the trends and what companies are looking for.
Make sure you understand thermal auditing, large and small wind power generation and residential photovoltaic.
Look at getting certified in areas that interest you. Look at your state's web site and see what the requirements are for being able to perform energy audits. If they recommend a particular certification, go get it.
An engineering degree is not going to help you much other than as a credential. The stuff you learn in any undergrad degree is quite trivial, and as time goes on (people in your age bracket are talking about courses taken 25 years ago) it is the job experience that counts. This is a truly enormous area, crosses multiple scientific disciplines and to do it justice, you will probably need several years. I think the goal of taking a year to network, study, read books and prepare for certifications is a good way to land an entry level job. From there you can advance rapidly.
There are lots of good industry groups out there like ASHRAE and ASTM that you can join and get a discount on their publications. Amazon is a great place to find good books — there is a lot of garbage out there so the Amazon reviews are important. Many are available used, so you can build up an inexpensive reference library.
Organizations like the USGBC have groups that support them. You may be able to participate in their WebEx presentations and do volunteer work. You will learn a great deal about the politics that are driving this industry and adjust your direction accordingly.
Have a look at these links: http://nlcpr.com/Links1.php
Good luck.
1. It's reliable, working 24 hours a day, 365 days a year.
2. It doesn't waste a bunch of land.
3. It can be located pretty much anywhere (instead of where it's windiest, sunniest, or whatever).
4. The cooling towers look cool.
Cost in cents (or pence, if you're in the UK) per unit of electricity produced over the whole life cycle.
You have to take into account discounting too: money spent now is worth more than money spent later, because if you'd invested the money now you would have got more money later from interest. You also have to include the likely cost of fuel in the future, maintenance etc.
The calculations are relatively simple if you just want to work out how long it'll take for a solar panel to pay back its cost. It's quite hard, so I'd rely on published work.
So look up 'electricity costs per kWh by source' or something like that!
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