This standard provides a method for predicting sound pressure levels based on the ISO 9613-2 standard for propagation of sound outdoors utilizing the apparent wind turbine model-specific sound power level determined in accordance with International Electrotechnical Commission (IEC) 61400-11 for the downwind location. The Download button above will direct you to the American National Standards Institute webstore where you will be able to complete your purchase. Disclaimer: This document is proprietary and its use is subject to a legally binding license agreement and disclaimer (the “Agreement”) which can be found online here, as it may be updated from time to time.

Become a Member

Elevate Your Business with Insider Access:

  • Policy Direction: Your voice in critical industry discussions.
  • Exclusive Networking: Learn directly from key players in clean energy.
  • Insider Information: First-hand access to policy insights and premier events.
  • Advanced Tools: Our proprietary data at your fingertips to drive growth.

Act now to become a defining part of clean energy’s future.

Stay informed

Take Action

Subscribe to American Clean Power and receive the latest clean energy news, policy updates, and opportunities to get involved.