Authorities that already set up a validator node on the network are EWFs affiliates Centrica, Elia, Engie, SempraEnergy, Shell, SPgroup, Statoil, STEDIN, TEPCO and TWL, together with EWF founders Grid Singularity, Rocky Mountain Institute and implementation partners Parity Technologies, Brainbot AG and Slock.it. The list is constantly growing with the arrival of new EWF affiliates http://energyweb.org/wp-content/uploads/2017/11/EWF_Test_Network_Public_PR_Nov_1_2017.pdf