Yes, UL has certified small wind turbines under the product category Small Wind Turbine Generating Systems (ZGEN)
The world is changing rapidly and becoming more dependent than ever on expanded use of alternative energy systems and reducing and preserving grid-produced energy.
UL has created two new wind turbine certification product categories, Wind Turbine Drive-train Systems and Equipment (ZGDT) and Wind Turbine Tower Assemblies (ZGTA)
UL does certify PV module trackers under the product category Photovoltaic Solar Trackers (QIKA)
The term smart meter is becoming much more common around the country. These new digital meters for recording electricity use are replacing the traditional analog meters.