Embedded video for Wim van Helden at ESTEC 2009 Wim van Helden at ESTEC 2009 Submitted by Baerbel Epp on June 9, 2009 This is a interview with Wim van Helden, a research consultant at Renewable Heat. Wim is the operating agent of IEA Task 42 and speaks about the latest developments of compact heat storage technologies. NewsGermanyestec 2009IEA SHC Task 42ESTIFIEA SHC