I own a comersial property that uses about 3000gals of oil /yr. My concern is that the price will soon go out of sight and this stay there. This is my plan and I think I would need the opinion of an experienced heating tech or engineer. I would like to set up a hot water storage system using wind power to charge a bank of batteries which will heat the water in a large storage tank. Then the hot water could go through the boiler, and into the baseboard heat, without having to fire up as often. What size wind generator will be necessary? Do you think it will work?

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With a 15% capacity ratio and a 180 day heating system, neglecting losses from transferring battery power to heat, it looks like a 200 KW turbine would be required. See costs of such a turbine and storage and transfer system, I believe it means a many, many year payback period.
I am no engineer, but it takes a great deal of energy to heat water.  I don't think that the scheme you propose will work.  Have you considered using a heat pump that collects geothermal heat?  That, I would think, would be a more efficient heat collection system.  I think the idea of having a large heat sink in the form of water is a good idea.  You could use the natural underground aquafer.  That would probably be cheaper than putting in a huge storage tank.  The electricity needed to run the electric motors of this system could be generated by wind turbines, however, you would need a backup electricity supply, either from the grid and/or photoelectric panels and/or water turbines that could harness rainwater resevoired from a roof.  There is also natural gas, a fossil fuel, but with less of a carbon footprint than oil.

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Hannah Pingree on the Maine expedited wind law

Hannah Pingree - Director of Maine's Office of Innovation and the Future

"Once the committee passed the wind energy bill on to the full House and Senate, lawmakers there didn’t even debate it. They passed it unanimously and with no discussion. House Majority Leader Hannah Pingree, a Democrat from North Haven, says legislators probably didn’t know how many turbines would be constructed in Maine."

https://pinetreewatch.org/wind-power-bandwagon-hits-bumps-in-the-road-3/

 

Maine as Third World Country:

CMP Transmission Rate Skyrockets 19.6% Due to Wind Power

 

Click here to read how the Maine ratepayer has been sold down the river by the Angus King cabal.

Maine Center For Public Interest Reporting – Three Part Series: A CRITICAL LOOK AT MAINE’S WIND ACT

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(excerpts) From Part 1 – On Maine’s Wind Law “Once the committee passed the wind energy bill on to the full House and Senate, lawmakers there didn’t even debate it. They passed it unanimously and with no discussion. House Majority Leader Hannah Pingree, a Democrat from North Haven, says legislators probably didn’t know how many turbines would be constructed in Maine if the law’s goals were met." . – Maine Center for Public Interest Reporting, August 2010 https://www.pinetreewatchdog.org/wind-power-bandwagon-hits-bumps-in-the-road-3/From Part 2 – On Wind and Oil Yet using wind energy doesn’t lower dependence on imported foreign oil. That’s because the majority of imported oil in Maine is used for heating and transportation. And switching our dependence from foreign oil to Maine-produced electricity isn’t likely to happen very soon, says Bartlett. “Right now, people can’t switch to electric cars and heating – if they did, we’d be in trouble.” So was one of the fundamental premises of the task force false, or at least misleading?" https://www.pinetreewatchdog.org/wind-swept-task-force-set-the-rules/From Part 3 – On Wind-Required New Transmission Lines Finally, the building of enormous, high-voltage transmission lines that the regional electricity system operator says are required to move substantial amounts of wind power to markets south of Maine was never even discussed by the task force – an omission that Mills said will come to haunt the state.“If you try to put 2,500 or 3,000 megawatts in northern or eastern Maine – oh, my god, try to build the transmission!” said Mills. “It’s not just the towers, it’s the lines – that’s when I begin to think that the goal is a little farfetched.” https://www.pinetreewatchdog.org/flaws-in-bill-like-skating-with-dull-skates/

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