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Tag Archives: Ontario Ministry of the Environment and Climate Change

Ottawa area citizen groups to sue Ontario over wind turbine noise

28 Sunday Jan 2018

Posted by ottawawindconcerns in Health, Ottawa, Renewable energy, Wind power

≈ 1 Comment

Tags

Concerned Citizens of North Stormont, Eric Gillespie, MOECC, Ontario Ministry of the Environment and Climate Change, Ottawa wind farms, wind energy, wind farm, wind farm noise, wind power, wind turbine noise

CBC.ca

Citizens sue province over proposed industrial wind turbine projects

Groups allege 5 wind power projects are allowed to defy safe noise limits

By Amanda Pfeffer, CBC News Posted: Jan 28, 2018 6:20 AM ETLast Updated: Jan 28, 2018 6:20 AM ET

Citizens living near five proposed wind turbine parks in Ontario have launched a lawsuit alleging the provincial government is allowing the companies behind the projects to defy safe noise limits.

The province approved the wind park projects in 2016. They are scattered around rural Ontario, and two are within an hour’s drive from Ottawa.

The projects are now going through a “technical review” as part of the final approval process by the Ontario Ministry of Environment and Climate Change.

  • Wind turbines approved for eastern Ontario despite objections

In 2016, the Ontario government also introduced new and more accurate standards for how companies model the noise impact of turbines before they’re built.

Map of wind turbine impact, Eastern Fields Wind Power Project

Map depicting range of impacts of wind turbines for Eastern Fields project near St Bernardin and St Isidore, east of Ottawa [Photo: Radio-Canada]

Suit alleges standards out of date

The lawsuit, however, alleges the proponents behind the five projects have been using old modelling standards.

“It appears that the majority of proposed turbine sites are out of compliance with the [new] requirements,” states the suit, which has been filed with the Ontario Divisional Court.

If the projects were forced to adhere to the new standards, three quarters of the more than 200 proposed turbines in the province would be breaking the rules, according to Eric Gillespie, the Toronto lawyer who filed the suit on behalf of concerned citizens.

If the companies used the new guidelines for modelling, Gillespie said, those rule-breaking turbines “will have to be relocated or removed.”

Citizens concerned about impact on health

The suit doesn’t ask for monetary damages, said Gillespie, but is about ensuring “that anyone living near an industrial wind turbine project is safe.”

“There’s well-documented research that you don’t want to go above the legislated level,” said Gillespie, adding that the noise associated with the loud, rhythmic drumbeat of the turbines can affect sleep, heart health, and general well-being.

“Unfortunately, it appears almost all these projects and most of the turbines in them are going to [break the guidelines] if they’re allowed to proceed.”

The lawsuit includes affidavits from experts on noise pollution, as well as from residents affected by the projects.

Gary Wheeler, a spokesperson with the Ontario Ministry of Environment and Climate Change, wrote in an email that the ministry is working with the companies behind the wind turbine projects to make sure they meet “our stringent noise standards.”

“We will be determining the appropriate next steps,” said Wheeler, who declined to comment on the lawsuit.

Margaret Benke

Margaret Benke, right, lives near the proposed Nation Rise Wind Farm located in the Township of North Stormont. She met Saturday with other residents to discuss the lawsuit. [Photo: Radio-Canada]

Residents plan strategy

The five proposed projects include two in eastern Ontario:

  • Eastern Fields Wind Power Project, in the Municipality of The Nation.
  • Nation Rise Wind Farm, in the Township of North Stormont,

Some of the residents living close to those projects met Saturday to discuss the suit and their next steps.

“We’re asking the government to consider the sentence they’re imposing on the people of rural Ontario,” said Margaret Benke, who lives near the proposed Nation Rise Wind Farm, about 60 kilometres southwest of Ottawa.

Benke said she’s concerned that almost three quarters of the turbines proposed in her community would break the current noise standard.

“I can move out,” she said, “but there are many people without that option. Even if their health is affected.”

The three other projects are all in southern Ontario:

  • Otter Creek Wind Farm, north of Wallaceburg, Ont., in the Municipality of Chatham-Kent.
  • Romney Wind Energy Centre, in Lakeshore, Ont.
  • Strong Breeze Wind Power Project in the Municipality of Dutton/Dunwich.

###

Wind Concerns Ontario obtained records of noise complaints and government response in two batches, 2006-2014 and 2015-2016, under Freedom of Information legislation. There are thousands of unresolved citizen complaints about wind turbine noise and vibration; yet, the government is in the process of approving more industrial wind power projects. Read the WCO report here. NoiseResponseReport-FINAL-May9

NOTE: these power projects are NOT “parks.”

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Serious questions still unanswered as Nation wind power developer holds final Open House

28 Monday Aug 2017

Posted by ottawawindconcerns in Health, Ottawa, Renewable energy, Wind power

≈ 1 Comment

Tags

Eastern Fields wind farm, Julie Leroux, Leda Clay, MOECC, Ontario Ministry of the Environment and Climate Change, Renewable Energy Approval, Save The Nation, The Nation municipality, wind farm, wind farm noise, wind turbine, wind turbine noise

Citizens have concerns about impact of noise, and about environmental effects on water and wildlife

Citizens have unanswered questions about a huge power project in Nation Municipality [Photo: Ontario Farmer/PostMedia]

 

August 28, 2017

Wind power developer RES Canada has scheduled the final Open House events for the Eastern Fields wind power project in The Nation, east of Ottawa. The Nation includes St Bernardin and Casselman.

The power project proposed would be 32-megawatt capacity, and cost Ontario almost $140 million over the 20-year contract. Ontario is currently in a situation of surplus power, and is regularly selling off surplus power as well as paying power producers to “constrain” or not to produce.

Community group Save The Nation/Sauvons La Nation has many unanswered questions about the project says spokesperson Julie Leroux.

For example, the corporate power developer has not actually confirmed the type of turbines it will use, but has provided a Noise Impact Assessment Report based on computer noise modeling for a type of Vestas wind turbines.

There are questions too about studies of waterways and groundwater, and how the wind turbine foundations will affect the ground. The Nation has Leda Clay which can be unstable.

The water issue is of special concern as property owners in Chatham-Kent are now experiencing contaminated water or Black Water as vibration from turbine construction and operation has been implicated in disturbing aquifers, and causing toxic heavy metals to contaminate wells.

Another concern is the company’s response to complaints of excessive noise and vibration. Wind Concerns Ontario received documents under Freedom of Information legislation showing that thousands of noise complaints have been filed since 2006, very few of which have had any response or resolution. RES Canada’s Talbot development was the source of hundreds of noise complaints. The Ministry of the Environment and Climate Change (MOECC) leaves response to noise complaints up to the power developers, in spite of the Ministry’s mandate to protect the environment and health.

There will be two Open Houses, the final events before the developer files documents for a Renewable Energy Approval.

Tuesday August 29, 2017 from 5:00 pm to 8:00 pm

Caledonia Community Centre

6900 County Road 22

St-Bernardin, ON

 

Wednesday August 30, 2017 from 5:00 pm to 8:00 pm

Vankleek Hill Curling Club

136 Bond Street

Vankleek Hill, ON

To contact Save The Nation and donate toward pre-operational environmental testing and legal fees

Website: www.sauvonslanation.ca

Email: Sauvonslanation@xplornet.com

Tel.: 613-678-6471

 

Hard questions for wind farm developer in Finch

28 Wednesday Jun 2017

Posted by ottawawindconcerns in Renewable energy, Wind power

≈ 1 Comment

Tags

Concerned Citizens of North Stormont, EDP Renewables, Finch Ontario, IESO, Jim McDonell MPP, MOECC, North Stormont Ontario, Ontario Ministry of the Environment and Climate Change, surplus power Ontario

Community concerns about giant wind power project in quiet rural area remain unanswered

Concerned Citizens of North Stormont leader Margaret Benke, in Finch, Ontario

Last evening marked the final public engagement session in the lead-up to power developer EDP applying for Renewable Energy Approval for its 100-megawatt “Nation Rise” power project.

The local population has made it clear they are not in favour of the giant wind power project, which will cost the people $3.3 million over the 20-year contract with the IESO, and add more to everyone’s electricity bill.

For power that Ontario doesn’t need.

People attending had some questions for the developer that may have been tough to answer. Some examples:

The Draft Project Description Report, under Wind Turbines states that the hub height will be anywhere from 100 to 140m. This is significantly higher than the 100m towers at your South Branch Wind Project in Brinston, where residents have filed complaints.

How will the proposed 132m height affect the transmission of noise across our flat, relatively non-forested terrain and how will it differ when there is a hard ice/snow covering on the frozen ground and no leaves on the trees, a condition often found between late November and early April in North Stormont?

In your noise report, you use a global ground absorption factor” of 0.7.  This number is supposed to reflect the worst-case scenario, in our case when surfaces are hard/non-absorptive, like those we see repeatedly in winter, when the ground is frozen and following ice rain events (6 or more this past winter).  Why have you not included a more accurate “0” absorption factor, which is our “worst case” scenario, or something closer to it, which reflects local conditions in North Stormont?

Who are the engineers referred to in Section 3.2.6 of your “Site Considerations” Review? Will they sign, without “qualifying” their report, and assume professional responsibility for all information provided?

Given that over 3,200 noise complaints were officially documented in Ontario from 2006-2014, (just as EDP’s South Branch was brought on-line) and from your prior experience internationally, how have you addressed noise and health complaints?

Community members were particularly concerned that EDP, even though this was the last community event, still could not provide information on the exact equipment to be used, and how many turbines there would actually be in the project that could have as many as 34 50-storey structures.

For more information or to provide support and donations for possible legal action, contact the Concerned Citizens of North Stormont here.

Wind turbines are a nightmare: Ontario family

31 Wednesday May 2017

Posted by ottawawindconcerns in Ottawa, Renewable energy, Wind power

≈ 1 Comment

Tags

Brian Hill Global, Global News, La Nation, MOECC, North Stormont, Ontario Ministry of the Environment and Climate Change, The Nation, Wind Concerns Ontario, wind farm noise, wind turbine noise

Global News has a report today on information related to wind turbine noise complaints.

Carla Stachura and her husband Mike thought they’d found the perfect spot to retire.

A house in rural Ontario where they run a wildlife sanctuary with lamas and a variety of birds, and planned to spend their retirement years enjoying the peace and quiet of country life.

But that dream was shattered when wind turbines began popping up near their Goderich, Ontario home. Since then, their dream has become a nightmare. The couple says they’ve been unable to sleep and exposed to prolonged periods of annoying noise. Adding to their frustration, they say the provincial government won’t lift a finger to help them, other than order more tests.

“We’ve been having issues since they turned the turbines on,” said Carla.

The couple purchased the property in 2003. They say it was paradise until the K2 Wind Farm, operated by Pattern Energy, started operations in the spring of 2015.

READ MORE: Ontario residents fight wind turbines planned near Collingwood airport 

“I immediately called K2,” Carla said.

Over the past two years, officials from the ministry have measured violations of the province’s noise limits at the couple’s home on two occasions, first in August 2015 and again in March 2017. Despite these violations, the couple says the government has done nothing other than order more tests.

Ministry of Environment does not respond to majority of wind turbine complaints

The Stachura’s complaints of government inaction are not unique. In fact, Global News has learned that Ontario’s Ministry of the Environment and Climate Change does not respond to the majority of complaints made by residents concerned about wind turbines.

Documents released through Ontario’s Freedom of Information Act and obtained by Global News reveal officials from the Ministry of Environment chose not to investigate or deferred responding to – meaning they did not make immediate plans to investigate – roughly 68 per cent of all noise and health complaints lodged against wind turbine operators in the province between 2006 and 2014. This represents nearly 2,200 individual complaints.

The documents also show limited resources sometimes prevented the ministry from responding to complaints.

Originally obtained by Wind Concerns Ontario, the documents include a list of 3,180 complaints. They also include a 458-page collection of “master incident reports,” which the ministry has verified as authentic, detailing the ministry’s response – or lack thereof – in cases where residents complained multiple times.

The documents show that in 54 per cent of all cases – more than 1,700 individual complaints – the ministry did not investigate residents’ concerns. In another 450 cases, roughly 14 per cent of total incidents, the ministry deferred responding to complaints.

In most cases, the documents do not reveal why the ministry chose not to respond. Instead, they tend to focus on whether the wind farm was compliant with ministry standards or past efforts to resolve residents’ concerns.

“The lack of response from the ministry shows just how unprepared they were for the potential effects of putting these giant machines so close to people and their communities,” said Jane Wilson, president of Wind Concerns Ontario.

Read more here, and watch the story today on Global News.

Two wind power projects have contracts but not Renewable Energy Approvals yet in the Ottawa area: the Nation Rise project in North Stormont (Finch, Berwick) and Eastern Fields in The Nation (St Bernardin, Casselman).

Wind Concerns Ontario is recommending that approvals not be granted for these projects, and that new tougher noise standards be developed for turbines, and enforced.

New wind turbine noise guidelines fail to address problems

26 Wednesday Apr 2017

Posted by ottawawindconcerns in Health, Renewable energy, Wind power

≈ 1 Comment

Tags

community opposition wind farm, Glen Murray, infrasound wind turbines, low frequency noise, MOECC, Ontario, Ontario Ministry of the Environment and Climate Change, renewable energy, tonal noise wind turbines, wind farm, wind farm noise, wind farm siting, wind mill, wind power, wind turbine, wind turbine noise

New Ontario wind turbine noise compliance protocol falls short

Way short.

As in, little or no understanding of the problems with wind turbine noise emissions.

New noise protocol misses all the problems

 

On Friday, April 21, the Ministry of the Environment and Climate Change released a new protocol document intended for “assessing noise from wind turbines that have already been built. It is used by industry and ministry staff to monitor compliance.”

While in the absence of guidance for staff, and the complete lack of compliance audit information from wind power developers and operators, this is a step forward, the truth is, the protocol doesn’t change much.

Here’s why:

  • the protocol still relies on audible noise only, when many of the complaints registered with the MOECC concern effects that are clearly linked to other forms of noise
  • the protocol does not take into account lower wind speeds, which is where problems are being experienced, particularly with newer, more powerful turbines
  • there is no comment on any sort of transition between the protocol that existed before and this one

Improvements:

  • the Ministry’s action in producing this protocol is an indication that they know they have a problem
  • the description of Ministry response is a good step forward
  • requiring wind power companies to actually have, and to publish, compliance audit documents could be a sign of expectations of greater accountability among the power developers/wind power project operators.

This table outlines the critical gaps in the new protocol document.

 

Issue     Protocol Requirements Actual Experiences
Wind Speeds Assessment of noise at wind speeds between 4 m/s and 7 m/s MOECC testing indicates problem noise starts below 3 m/s which is outside of wind speeds involved in the protocol.
Ambient Noise Narrow time period assessed Wide seasonal variations while wind turbine noise constant
Location Only test outside of home Very different inside noise conditions
Tonal Assessments Uses criticized techniques Narrow band analysis shows tonal noise present.
Resident Input None Resident concerns drive other MOECC procedures
Frequencies Excludes Infrasound Elevated levels of infrasound in homes

 The Ministry of the Environment and Climate Change needs to acknowledge that there is a problem with wind turbine noise, and accept that it must play a role as a government agency charged with protecting the environment and people in it — preparing an industry-led document may look like a positive step, but this document does not meet the needs of the people of Ontario forced to live with wind turbines, and their noise emissions.

Wind Concerns Ontario

Wind power developer uses threat to influence environmental agency

15 Saturday Apr 2017

Posted by ottawawindconcerns in Renewable energy, Wind power

≈ 9 Comments

Tags

Alliance to protect Prince Edward County, APPEC, Blanding's Turtle, Environmental Review Tribunal, Ontario Ministry of the Environment and Climate Change, prince Edward County, wind farm, wind fram environmental damage, wind power, wind turbines

Power developer announcement it is about to clear land which is habitat for an endangered species is an attempt to force the Environmental Review Tribunal to issue a decision on the Prince Edward County wind power project, and proposed “remedies” for species at risk

The Environmental Review Tribunal determined the Blandings Turtle was endangered by the wind farm; the company is proceeding with construction in the absence of a final decision

April 15, 2017

Minutes before 4 PM on the Thursday of the Easter weekend, Germany-based wind power developer WPD issued notice to the Environmental Review Tribunal that the company intends to start clearing land in advance of building the White Pines power project.

Land clearing is to begin on Wednesday, the corporate power developer said, which meant there is only one day after the Easter weekend to file any documents against the action.

The White Pines project has been contested in an appeal before the Tribunal; the original decision found that the power project would cause harm to endangered species of turtles and bats. A hearing was held in late January to hear possible “remedy” actions to prevent loss of life, but a decision accepting or rejecting the remedies has not yet been rendered.

WPD is in danger of being in breach of its contract with the Ontario government if it does not begin supplying power by the critical Commercial Operation Date.

The Blandings Turtle, one of the endangered species at risk from the wind power project construction, has already been seen in the County by residents, so has emerged from hibernation.

The rush to construction shows how willing the wind power developer is to risk environmental damage, a spokesperson for the Alliance to Protect Prince Edward County told news media Quinte News.

At an earlier phase of the White Pines project WPD began unauthorized land clearing but was halted by an order from the Environmental Review Tribunal. WPD is also the power developer behind the contentious Fairview Wind project near Collingwood. It threatened to sue the Ontario government if a contract was not issued for the power project.

Previous attempt by WPD to clear land for unauthorized construction of the Prince Edward County wind power project

 

 

Wind turbines found to exceed legal noise levels

12 Wednesday Apr 2017

Posted by ottawawindconcerns in Health, Renewable energy, Wind power

≈ 4 Comments

Tags

Brinston wind farm, environmental impact wind farms, Goderich, health effects wind farm noise, infrasound wind turbines, K2 wind, low frequency noise wind turbines, MOECC, Ontario Ministry of the Environment and Climate Change, renewable energy, Scott Miller CTV, South Branch wind farm, wind farm infrasound, wind farm noise, wind turbine noise

Ministry of the Environment and Climate Change to conduct more tests on homes near Goderich; wind corporation says it is confident the power project is operating legally

April 11, 2017

CTV News London is reporting that several residents living near the K2 wind power project have received notification from the Ontario Ministry of the Environment and Climate Change (MOECC) that the turbines near their homes, and causing them to report excessive noise, are in fact out of compliance with provincial noise regulations for the power generating machines.

In the conclusion of the “Acoustic Recording Quantitative Screening Measurement Report” of testing performed by the MOECC recently, the MOECC states

… it is acknowledged that sound from the wind turbines was audible during the measuring campaign at levels that appear to exceed the applicable sound level limits, and based on C3 measurements conducted at a nearby receptor (the distance is about 1250 m from R876; where the same turbine(s) within 1500 m distance impact both receptors) it was further concluded that there is a possibility that sound from the nearby turbines could be tonal.

The use of the word “tonal” is key as the MOECC–and the wind power industry–have up to now refused to admit that the noise emissions from turbines are tonal, or producing vibration.

The complaints voiced by people living near turbines, however, seem to indicate that pressure or vibration is a key feature of the emissions being experienced.

See the CTV London video here:

http://london.ctvnews.ca/video?clipId=1098781&binId=1.1137796&playlistPageNum=1

K2 wind is located in Huron County and is operated by a consortium of Capital Power, Pattern Energy, Manulife, and the Alberta Teachers pension fund.

Residents near the South Branch project are reminded that they should report any adverse effects from wind turbine noise to the MOECC Spills Action Centre by calling 1-800-268-6060. Callers should provide their name and telephone number, location, location relative to the nearest wind turbines, direction of the wind and wind speed if available (this can be noted from weather data on your cellphone), and a rating of the noise/vibration on a scale of 1-10, with 10 being the most severe.

Callers should be sure to get an INCIDENT REPORT reference number at the time of their call, and keep a record of their call(s) together with the reference numbers.

 

Wind farm construction may affect wells, says groundwater association

14 Thursday Jul 2016

Posted by ottawawindconcerns in Health, Renewable energy, Wind power

≈ 2 Comments

Tags

environmental damage wind turbines, Ontario Ground Water Association, Ontario Ministry of the Environment and Climate Change, Water Wells First, wind farm, wind turbines, windmills

A citizens’ group concerned about the effect of wind turbine construction and the vibration coming from operating turbines is calling for the resignation of the Ontario Minister of the Environment. The government’s response to the problem of damaged wells? Bottled water. Not so great for dairy herds…

Chatham Daily News, July 11, 2016

A citizens’ group worried about the potential impact on groundwater from wind turbine vibrations is calling for the provincial minister’s resignation.

Water Wells First placed protest signs on Monday at the Windsor, Sarnia and London offices of the Ministry of the Environment and Climate Change, said group spokesman Kevin Jakubec in a media release..

“Water Wells First no longer sees the MOECC as credible stewards of the environment.

We are asking for the immediate resignation of Ontario’s Minister of the Environment and Climate Change Glen Murray,” he said.

Last week, Water Wells First held a demonstration at a Chatham Township farm to show how difficult it would be logistically for farmers and their livestock to use bottled water, if it was required.

Jakubec said the management of the Renewable Energy Program could jeopardize the health and safety of Ontario’s livestock when “the MOECC put forward the impractical use of using bottled water to resupply livestock farms” that have lost their water wells due to wind farm construction and operation.

The proposed North Kent 1 Wind Project, which calls for 40 to 50 wind turbines to be constructed in the area, had some residents worried that the vibrations could result in dirty water.

“Water Wells First will protest the actions of the MOECC until the MOECC recognizes that groundwater must be protected as the first line of defense against climate change,” Jakubec said.

Last month, the group held an initial media conference to help raise awareness about the issue.

In an e-mail on Monday, the ministry stated that it was taking the necessary precautions.

“The MOECC takes all public concerns very seriously. That is why MOECC included an extremely stringent series of conditions on the proponent for the North Kent Renewable Energy Approval,” it stated. …

Read the full news story here.

See also a London Free Press editorial on this today, here.

Editor’s note: looking ahead, we would think this might be a concern for liability on the part of both the landowner leasing land for turbines and the wind power developer. Another reason to carefully examine the pro’s and cons of signing a lease agreement.

Wynne government ‘stealing our future’ says Kemptville resident

16 Wednesday Mar 2016

Posted by ottawawindconcerns in Ottawa, Renewable energy, Wind power

≈ 1 Comment

Tags

EDP Renewables, Kemptville, North Stormont wind farm, Ontario Ministry of Energy, Ontario Ministry of the Environment and Climate Change, wind farm leases, Wynne government

The wrong people profit from wind farms, says homeowner. ‘Grossly unfair’ for government to steal our futures, says Kemptville letter writer

Nowhere near Toronto and Queen's Park: wind power projects reduce rural property values
Nowhere near Toronto and Queen’s Park: wind power projects reduce rural property values

Ottawa Citizen, March 16, 2016http://ottawacitizen.com/opinion/letters/your-letters-for-wednesday-march-16-water-windmills-women

Re: New Eastern Ontario wind farms a betrayal, mayors near Ottawa say, March 11.

Home ownership is the biggest investment a person can make.  Many people depend on the value of their homes to underwrite their futures, whether it be generating capital for their kids’ educations, serving as a stepping stone to a better home, or even financing their retirement. Folks who choose to live in rural areas already face challenges in marketing their properties, compared to their city cousins.

With the looming prospect of giant wind farms in their backyards, they are now told they must accept unanticipated decreases in their property values without complaint because “the needs of the many outweigh the needs of the few.” Rural dwellers also pay comparatively huge electricity transmission costs – and, ironically, will likely continue to do so even with the gargantuan structures towering over their homes. It is also likely that their municipal tax burden will not be adjusted to reflect the decrease in their property values.

It is grossly unfair for an all-powerful government authority to callously steal rural homeowners’ futures so that a corporate entity can profit from huge government subsidies and distant cities can meet their rapacious energy consumption needs. At the very least, these folks should be compensated for their loss.

Perhaps a good starting point would be to waive the “welcome tax” levied by the provincial government on home sales for those located within a set radius of wind farm installations, thus boosting the marketability of affected properties. Another measure would be to give these homeowners a discounted rate on their electric bills, or even the same remuneration provided to the farmers who profit from having such installations on their lands.

Burton Blais, Kemptville

Wind farm noise measurements questioned by acoustics consultant

27 Saturday Feb 2016

Posted by ottawawindconcerns in Health, Renewable energy, Wind power

≈ Leave a comment

Tags

Ontario Ministry of the Environment and Climate Change, Swallow Acoustics, wind farm environmental assessments, wind farm noise, wind farm noise regulations, wind turbine noise, wind turbine noise regulations

Ministry of Environment noise study for wind power project was done using average wind speed at a “particularly quiet site” says consultant hired by Kincardine: increase in sound from wind alone is “staggering”

(Re-posted from Wind Concerns Ontario)

Kincardine Independent, February 24, 2016

GROUNDBREAKING INFRASOUND STUDY RESULTS UNVEILED

By Barb McKay

An acoustics engineer is questioning the Ontario government’s methods for setting baseline sound limits for wind turbines after field testing was recently conducted in Kincardine.

Todd Busch, project manager for Swallow Acoustic Consultants Ltd., was in front of the Municipality of Kincardine council during its meeting last Wednesday to go over data from a study conducted within the boundaries of the Armow Wind Project last fall. Swallow was contracted by the municipality to study baseline acoustic and infrasound levels prior to the 92-turbine, 180-megawatt project becoming operational.

Engineers conducted interior and exterior sound testing at five homes within the project area between Oct. 30 and Nov. 14, 2015, using special microphones designed specifically to record infrasound (sound not picked up by the human ear). The sound measurements account for sound levels from wind in exterior testing.

Busch said when a noise impact study was conducted with audible sound testing for Armow Wind in 2013, engineers who did the study declared that the project would comply with Ontario Ministry of the Environment noise limits for industrial wind turbines. He said the study was done using an average wind speed at a particularly quiet site and a measurement of seven decibels was added to factor in sound levels at a higher wind speed. In the noise impact assessment summary, Busch said sound levels were calculated at between 37 and 39.8 decibels. The noise level limit set by the province is 40 decibels. Infrasound levels were not tested.

Busch said the report that was generated from the noise impact study did not explain why seven decibels was assumed for higher wind speeds and he questions the mehodology used to measure residual noise levels in the background environment. He does not believe the study factored in noise levels associated with wind and therefore is concerned the testing was compromised.

“We placed our microphones within 10 metres of where the noise impact assessment (study) microphones would have been,” Busch said. “A measurement of 39.8 decibels would be a candidate for scrutiny.”

Testing by Swallow generated acoustic sound levels of between 37 and 57 decibels outdoors and 20 to 40 decibels indoors. Infrasound levels measured between 57 and 88 decibels outdoors and 53 to 72 decibels indoors. He said the increase in sound from wind alone is staggering and should be explored further.

“We have been told many times from the provincial government that we can’t measure infrasound,” councillor Randy Roppel said. “Can you?”

“We did,” Busch replied.

Read the full story here

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