Standards & Performance Testing Session Chair: Larry Sherwood Executive Director Small Wind Certification Council AWEA Small and Community Wind Conference December 8, 2010

SWCC certifies Mechanical Strength, Durability, Function & Performance of turbine system to new AWEA standard NRTLs certify Electrical Safety of Turbine & Controller (new UL Standards in development) PE certifies Tower & Foundation NABCEP certifies the Installer NRTLs certify Inverter to IEEE 1547/UL 1741 Wired per National Electrical Code (NEC) (new article in 2011) Grid-tie Small Wind Turbine in the US

TM AWEA Standard  AWEA Small Wind Turbine Performance and Safety Standard (AWEA Standard 9.1 – 2009)  Harmonized with the BWEA Standard (some differences such as acoustics)  Incorporates, with modifications, existing IEC standards for small wind turbines  Written to ensure the quality of the wind turbine can be assessed while imposing only reasonable costs and difficulty

TM Equipment Eligibility  Per the AWEA standard Newly manufactured, electricity-producing wind turbines with a swept area up to 200 m 2 200m 2 ~ 16m diameter rotor ~ 65 kW (or less) Horizontal and vertical axis turbines are eligible

TM SWCC: Small Wind Certification Council  New independent, third-party certification body to serve North America  Certify that small wind turbines (SWTs) meet the requirements of the new AWEA Small Wind Turbine Performance and Safety Standard  Used as state-level eligibility

SWT Manufacturer (structural analysis) Test Organization (field testing) the Standard Certifies Conformity

TM SWCC Certification Label  Rated Annual Energy annual average wind speed of 11.2 mph (5 m/s)  Rated Sound Level (dBA) Sound pressure level not exceeded 95% of time with average wind speed of 11.2 mph (5 m/s) at 60 meters from rotor  Rated Power 24.6 mph (11 m/s)

TM SWCC Certification Applications Pending ManufacturerTurbine American Zephyr CorporationAirdolphin GTO Bergey Windpower Co.Bergey 5kW & Bergey Excel-S Cascade EngineeringSwift Wind Turbine Endurance Wind Power Inc.Endurance S-343 Enertech, Inc.Enertech E13 Evance Wind Turbines Ltd.Evance R9000 Eveready Diversified ProductsKestrel e400i 3kW 250V & 48Vdc Polaris America LLCP15-50 Potencia Industrial S.A.10kW Hummingbird Renewegy, LLCRenewegy VP-20 Seaforth EnergyAOC Southwest WindpowerSkystream 3.7 Taisei Techno Co.TTK-10kW Urban Green EnergyUGE-1k and UGE-4k UrWindUrWind O 2 Ventera Energy CorporationVentera VT10 Windspire EnergyWindspire – Xzeres Wind CorporationARE442 8

TM Benefits of Certification  Certification labels ease consumer comparison of products  Funding agencies and utilities will gain greater confidence that small turbines installed with public assistance have been tested for safety, function, performance and durability and meet requirements of consensus standards  Certification can help prevent unethical marketing and false claims, thereby ensuring consumer protection and industry credibility

TM Standards & Performance Testing  Tim Zgonena, Underwriters Laboratories Public and Regulatory Acceptance – New Developments in Small Wind Codes and Standards  Chris Simpson, Proven Energy Practical Implications of Certification – The UK Experience  Paul Smart, Campbell Scientific Inc. Component Measurements for Assessing Total System Performance of a Small Wind Turbine  Kelly Winder, Saskatchewan Research Council Small Wind Turbine Performance – A Case Study

Larry Sherwood Executive Director Small Wind Certification Council