Documents

Balancing Fluctuating Wind Energy with Fossil Power Stations: Where are the limits?

Leonhard_windenergy1_thumb Wind energy, fed to the grid to save resources and reduce emissions, requires control power for balancing fluctuations; this causes fuel losses in thermal power stations and limits the degree of energy substitution. Facilities for energy storage are needed when greatly extending wind power use off-shore, at the same time generating secondary fuel for stationary and mobile applications.
1 Oct 2002

Wind Energy Economics in the State of New York

200_wind_energy_economics_new_york_1__thumb On August 20, New York Governor Pataki announced that the state would give $17 million to four private companies to develop five more “wind farms” in various parts of New York, adding to the 3 existing “wind farms.” The proposed “wind farms” raise questions that will need to be considered by New York’s electric customers, taxpayers, and citizens concerned about impairment of property and scenic values and other environmental concerns.
5 Sep 2002

In re Petition of Tom Halnon: The Quechee Test

In_re_halnon_(aesthetics)_1__thumb Under Vermont's two-part Quechee test, a determination must first be made as to whether a proposed project will have an adverse impact on aesthetics and the scenic and natural beauty of an area because it would not be in harmony with its surroundings. If the answer is in the affirmative, the inquiry then advances to the second prong to determine if the adverse impact would be undue.
20 Aug 2002

Green Power and Energy Efficiency Opportunities for Municipalities in Massachusetts

Synapse_energy_thumb The purpose of this report is to identify and characterize the range of options available to municipalities for purchasing green power and improving the efficiency with which electricity is consumed. Municipalities have several viable options for purchasing electricity in a fashion that is consistent with the energy, cost, and environmental goals of the community. Municipalities are in a better position to achieve certain policy goals than are individual customers through their collective buying power. A municipality’s advantage lies in the size of its electricity load, in the potential for more sophisticated decision-making than individual customers can apply, and in the potential for reflecting more of the public interest in the decision-making process.
22 May 2002

Impact of Views on Property Values

Impact_of_views_on_property_values_thumb The Tennessee Valley Authority proposes to construct and operate a wind farm in Tennessee. TVA also proposes to construct and operate a Regenesys™ Energy Storage facility near the selected wind farm site. The wind farm would demonstrate a technology for generating electric power with minimal environmental pollution to be marketed through TVA’s Green Power Switch® program and would consist of 13 to 16 wind turbines. The Regenesys facility would demonstrate an effective technology for storing the energy generated by the wind farm and releasing it at times of high energy demand. This final environmental assessment examines the potential effects of building on Buffalo Mountain in Anderson County (Alternative 1), building on Stone Mountain in Johnson County (Alternative 2), or not building a 20 MW wind farm and associated energy storage facility (Alternative 3). Appendix F: The Impact of Views on Property Values "Widely varying opinions have been expressed about the potential impact of windfarms on the value of nearby property. For example, the proposed (now cancelled) Addison Wind Farm in Wisconsin became controversial, in part, over allegations about property values. Opponents argued that property values would depreciate significantly if the wind farm were built (Don Behm, 2001). On the other hand, RENEWWisconsin quoted several persons representing the real estate industry in other places in Wisconsin and Iowa where wind projects had been built, saying that such projects had no impact on property values (RENEWWisconsin, 2000)....
1 Apr 2002

A case study of low frequency noise assessed using DIN 45680 criteria

J165244-casestudylowfrequencynoise_thumb This paper describes a case study in which low frequency noise (LFN) was suspected of causing disturbance in a semi-rural location close to an industrial estate. Previous attempts using conventional acoustic measurement techniques to resolve the case, or even prove the existence of a real acoustic problem, had proved unsuccessful. The study does not involve wind turbine noise directly, but the work done and resulting findings provide insight into identifying the problem of LFN and predicting annoyance.
1 Jan 2002

Unpredictable Wind Energy-the Danish Dilemma

With limited reserves of only oil and gas and the perceived onset of global warming, Denmark has a great incentive to develop new technologies for exploiting alternative sources of renewable energy and reducing energy demand. One of its many options is the harnessing of wind energy - a route that it has explored in great detail. This report describes some serious problems encountered in the extensive deployment of wind turbines in Denmark, and briefly summarises published accounts of the experiences and opinions of variously implicated Danish and foreign organisations and bodies.
1 Jan 2002

Encouraging Environmentally Sustainable Growth In Denmark

Oecd_denmark_thumb This paper analyses aspects of environmental policy in Denmark, including, among others, policy on surface water quality, clean air and support for renewable energy, waste disposal and transport policy. Environmental policies are an important priority in Denmark, with implementation often highly decentralised, but in some cases environmental objectives have been pursued at what seems a high price, perhaps through a wish to support the development of a domestic industry or to protect existing industry from loss of competitiveness. The paper criticises some of the arguments used in favour of this high cost approach in a number of contexts, including wind power subsidies, the carbon tax and the treatment of nutrient discharges from agriculture. The paper also discusses a number of innovative and efficient policies introduced or planned, for example the new approach to promoting renewable energy (including wind power) through tradable “green certificates” and a CO2 trading scheme in electricity production. In some areas, such as policy for non-hazardous waste, apparent expansion of the role of economic instruments (through a series of differentiated taxes on disposal) seems to be dominated in practice by quantitative targets which may not provide the best outcomes.
25 Dec 2001

Insects can halve wind-turbine power

Insect_debris_thumb This short report discusses the impact of insect debris build-up on turbine blades and the resulting reduction in performance. Questions remain regarding how the blades are cleaned, whether detergents or chemicals are used in cleaning, the source of water to be used during the process, and whether the waste water is treated.
5 Jul 2001

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