30 Jun '13, 1am

#IBMResearch is revisiting the #icetrade, eh @JuliusKusuma? via @IEEESpectrum

Photo: SSI-Schaefer Cold Case: A freezer warehouse operated by retailer Migros is helping to balance Switzerland’s electricity supply. Supplying electricity used to be so simple: some big coal plants, a few gigawatts of nuclear, maybe a hydroelectric dam for good measure—all of them capable of churning out a steady supply of watts. These days, more solar and wind energy means the electricity supply is often unpredictable and the power grid far more challenging to operate. A new project at a refrigerated warehouse in Switzerland could help meet that challenge. The warehouse is operated by Migros, Switzerland’s largest supermarket chain . Located in Neuendorf, 60 kilometers west of Zurich, it’s a vast facility that stores goods heading for the company’s 630 stores. It’s also cold, with an average temperature of –28 °C maintained throughout the 200 000-square-meter space. Bey...

Full article: http://spectrum.ieee.org/energy/the-smarter-grid/swiss-wa...

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How hard is it to integrate renewables into the grid? @SeanCasten gets into the weeds.

How hard is it to integrate renewables into the...

grist.org 30 Jun '13, 6pm

In January, EEI said [PDF] that the incentives paid to renewable energy are going to jeopardize grid reliability and elect...