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Month: March 2012

Standards Harmonization Good for Growth of Solid State Lighting

Standards Harmonization Good for Growth of Solid State Lighting

Recently, NEMA published SSL 4-2012, SSL Retrofit Lamps: Suggested Minimum Performance Requirements.  The purpose of this standard is to provide suggested minimum performance levels for SSL retrofit products. Federal programs such as Energy Star set high performance goals to encourage growth of such products, but do not provide minimum acceptance criteria for products as a whole.  Since its publication, NEMA has been approached by several organizations wishing to adopt, in part or in total, Read more [...]
Comparing apples and oranges and energy storage

Comparing apples and oranges and energy storage

As more and more grid energy storage projects are planned, how do you select the best technology for the need, or even begin to report and compare performance?  Comparing pumped hydro, compressed air, sodium sulfur batteries, flow batteries, lead acid batteries, lithium ion batteries, flywheels, and capacitors is akin to comparing apples to oranges to pears to kumquats to….you get the point. Ambiguity in measuring performance in energy storage could result in slowing down adoption of Read more [...]
DOT Rulemaking Revision Pending for Lithium Batteries

DOT Rulemaking Revision Pending for Lithium Batteries

A new approach to updating U.S. regulations on air shipment of lithium batteries is expected this spring following President Obama’s Feb. 14 signature on legislation authorizing activities of the Federal Aviation Administration and a Feb. 10 agreement at the International Civil Aviation Organization (ICAO) on new requirements set to take effect on January 1, 2013. The ICAO Dangerous Goods Panel chose to require all bulk shipments of lithium cells and/or batteries shipped by air to be treated Read more [...]