wind generator

   / wind generator
  • Thread Starter
#11  
Hmmm very interesting. Maybe PV is a better way to go also the hot water is very interesting to me. This house has an addition that has a concrete floor with water heat in the floor. So this would be somewhat of a natural. We have a LOT of trees around our place so shade might be a problem, but it all is very interesting. Keep the thoughts coming!!!:D
 
   / wind generator #12  
Insulation!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Bob

Yes, this is the biggest bang for you buck, but all too often, the one that I see most people ignore. Attic insulation always pays you back in noticeable savings over a very short period of time.

Every house that I sprayed insulation into their attic space had the exact same results. 30 percent less energy use!!!!!!!!!!!

Windows take 20 or more years to pay back the install price.

Buying ways to create your own energy sound real nice, but when you do the math with real numbers, you'll find it's either a very long road to make that money back, or even break even.

Solar for heating water and thermal for heating and cooling the house are proven methods that will save energy, but again, it's a math game. Run the numbers. It works for new construction, but with existing homes, it's not always cost effective.

It's kind of like buying new light bulbs at $5 each to save half a penny a month in energy usage. You are using less energy, but it cost you so much to buy the light bulb that it doesn't make any sense.

There are more scams out there in this whole green energy thing then there are new ideas that actually work. Most of it is just a way for somebody or company to make more money. Those pigtail light bulbs are a very good example. GE and the other light bulb companies are making a killing on selling them. People are throwing away perfectly good light bulbs for these new ones, and then not getting an noticeable savings on their energy usage.

Eddie
 
   / wind generator
  • Thread Starter
#13  
Tell me more about the spraying of insulation in the attic. I thought that was mainly for new construction? BTW nice list of goals for 08 hope you're finishing them up today:D
 
   / wind generator #14  
Well in my municipality there will never be wind generators because one 'smart' city councillor introduced a bill (that passed) banning any towers or structures that would be higher than tree tops.

Came about because a promoter wanted to erect an observation tower for tourist attraction, that coupled with a 'fast overnite' communications tower erection failed to raise enough objections. All done legally!

Also one builder, on a mountain top, clear cut the entire lot in order to enhance his view.
He built a virtual castle that has become an eyesore to most being to how it sits on a big bald spot in middle of town.
When he asked for a permit to cut trees he was refused it and asked what might be the fine. When told $250. he took out his wallet and prepaid the fine. Trees were cut within 24 hours!.

Even a challet or house cannot be higher than sourrounding tree tops and this has killed a fair number of 'rich' construction projects. (read high taxation properties)
 
   / wind generator #15  
Unless you are building all the components yourself, and your own time has no value, I find it hard to believe you will find any alternative energy generation scheme that will pay for itself in 3-4 years, unless it is heavilly subsidised. Perhaps hydro electric if you have a property where you can make this work, as it typically generates 24/7. The payback or ROI on most grid-tied PV setups(installed by contractors) I have looked into is forcast in the 10-20 year range. I remember the numbers because they were in most cases just before the PV panels reach their forcast lifespan...

I am sure some can be saved in doing much of the work yourself. Unfortunatly, a lot of the install work needs to be done, or at the least inspected and signed for by a utility certified technician...
 
   / wind generator #16  
Doc Bob - Why does a wind system hold its value? I'd think with changing technology - Companies folding up etc, that they wouldn't. A furnace doesn't hold it's value, a H20 Heater doesn't, a fridge doesn't. Why is it different with wind power?


Everyone talks about pay back with renewable energy (RE). I think that is the wrong way to look at it. Really wrong. Let me explain.

When you buy a refrigerator, or a hot water heater, or a furnace, or new truck, do you look at pay back? Nope. But when you buy a PV system, everyone talks about pay back. Seems odd to me. I know I am going against the grain here, but worth the thought.



PS Let the replies start!
 
   / wind generator #17  
A furnace doesn't hold it's value, a H20 Heater doesn't, a fridge doesn't. Why is it different with wind power?

You buy these products because you want the service and benefits that they provide you -- warm water, cool beverages, preventing food spoilage, ice, etc...

What service or benefit does the wind generator provide you other than possibly make noise as the propellor goes whoop, whoop, whoop? It generates some power, but if you're not off the grid, you can get the power needed much cheaper by other means....

Supposedly, PV technology is changing rapidly right now, and the cost MAY drop significantly in the future -- but right now, it's not cost-effective for much of the country...
 
   / wind generator #18  
Doc Bob - Why does a wind system hold its value? I'd think with changing technology - Companies folding up etc, that they wouldn't. A furnace doesn't hold it's value, a H20 Heater doesn't, a fridge doesn't. Why is it different with wind power?

A good wind genny holds it value. And with time, will increase in value based upon simple inflation.
Bob
 
   / wind generator #19  
Y
What service or benefit does the wind generator provide you other than possibly make noise as the propellor goes whoop, whoop, whoop?

Generates power.
Bob
 
   / wind generator #20  
Supposedly, PV technology is changing rapidly right now, and the cost MAY drop significantly in the future -- but right now, it's not cost-effective for much of the country...

"Supposedly" is the key word.

"May" drop is a key word.

If by cost effective, you mean payback, then my previous post still applies.
Bob
 

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