SAN JOSE, Calif.--(BUSINESS WIRE)--Echelon Corporation (NASDAQ:ELON), the open-interoperable control networking pioneer for the Industrial Internet of Things will announce results for the first quarter ended March 31, 2015, on Monday, May 11, 2015, after market close. The Company will hold a conference call for investors and analysts on May 11, 2015, at 4:30 p.m. Eastern Time. Interested parties can listen to the call via live webcast on the Investor Relations section of the Echelon website at