Friday, September 17, 2010
When I was in the planning phase with this house, I investigated both solar and wind generation of electricity. Solar is efficient and affordable but has the problem of generating power only during sunny conditions, which means no generation at night and hugely reduced generation during the frequent cloudy periods we have here in coastal New England.
Wind turbines, however, operate at any hour of the day and night as long as there's sufficient breeze, which isn't that much of a problem in this area. The only option several years ago were the big propeller type of turbines, the type that look so sculptural out in the fields but are very tall, require extensive foundations and cost a fortune.
Turbines made to mount on a house or garage top, on a post in the yard, or in the middle of plantings come in many different forms, some not much wider than 3 feet, and one source claims that you can get a turbine that will put out 5 killowatts a day for $3000 to $5000 and see it repay its total investment in three years. The four below are just a few of the designs available, the one top left being our favorite, hands down. This one would be lovely mounted on top of the ventilation cupola that crowns the big pyramidal main roof of the house, if it's structurally strong enough to take the stress of the turbine in a strong wind.
We've done a lot of speculation about the part a second source of electricity might play in our over-all energy system, as our photovoltaic panels are hooked directly into the grid and do not function when the grid is down for any reason. We both immediately thought that a turbine could give us electricity during power outages, and that we might include a storage battery array to take us through days when the winds are calm. We've had multi-day outages the last two winters and I would much prefer a wind turbine to a gas-fired generator.
Buildings can even be designed to incorporate these smaller turbines in their walls; a whole cornice of spinning turbines around the top of a building like a shimmering crown would be very beautiful.
The type to the right comes in a variety of colors.
We're not going to rush into anything. I think we can take some time this winter to investigate the options, and visiting a business that sells and installs these devices would be essential.
Adding wind would also be of interest to a study that's being done on this and two other "green" houses in the area by a professor and his class at Laconia Technical College. They've done a number of tests here to measure how tight the skin of the house is (extremely) and I supply them with copies of our energy bills at intervals through the year. The addition of wind would add another dimension to the study which I'd welcome as we both hoped the house could serve as a teaching tool.
The garden's going into fall mode now with night temperatures into the 40s but a lot of sun still by day. The tomatoes are slowing down rapidly but there were still enough last night to contribute to a "red dinner": baked salmon with a spice rub, red cabbage and apple chunks in an Asian sweet and sour sauce, and slice tmatoes and minced red onion in a light vinaigrette. After the first couple of frosts the kale will develop its full flavor and the parsnips will be sweet and ready to dig. Autumn is my favorite season of all and it's finally here!
The latest picture of my granddaughter, now almost fourteen mnths old. I'm told she liked the pony until it began to move with her on it, and she LOVED the pony and had a great time. Fritz immediately pulled out an album with a picture of him on a pony as a kid. I have pictures of me on a pony in the days when the ponies were brought right into the streets of New York City to give kids a ride and create a photo op. It's still a ritual of early childhood.
Very interesting information on those wind turbines. We've talked about options here for a while. Mostly, we've discussed solar options, but a wind turbine that could work on the roof would be interesting. I wonder if we get enough wind here to make it work.
Most importantly... love the photo of your granddaughter! So how thoroughly does she have her grandfather wrapped around her finger? ;)
I love the notion of wind power. Out here we should be utilizing sun power. So much potential; I hope some day we try it.
Oh look a pony!
Your granddaughter is adorable...I'm sure you can't stand having her so far away.
I want a pony, can I have pony, can I, can? Please?
I thought of your last week when I read that it was the anniversary of the Met at Lincoln Center on the 16th. It opened in 1966 with the world premiere of Samuel Barber's Antony & Cleopatra. but you know that. & today in 1869 – Richard Wagner's opera Das Rheingold premiered in Munich.
I was at the opening of the new MET in '66. As the ticket holder of the last seet next to the wall in the last row of the Family Circle, I probably got the last available seat in the house, but I gtot in!