electricity requested on the grid (27) = (25+26) = (28+29+30+31+32) GWh 10,836.07 10,612.68 10,609.35 distribution, transport and commercial losses (28) GWh 747.40 6.90% of (27) 763.74 7.20% of (27) 741.14 7.0% of (27) -3.0 uses for own transmission and distribution (29) GWh 40.39 39.63 39.47 -0.4 net electricity transferred to third parties (30) GWh 2.59 2.59 16.45 535.1 net electricity conveyed from Acea to clients of the open market (31) GWh 7,393.80 7,463.10 7,615.16 2.0 net electricity sold by Acea Energia to clients of the open market on distribution company grid (Areti) GWh 5,847.37 6,041.16 6,119.50 1.3 net electricity sold by other sellers to clients of the open market on distribution company grid (Areti) GWh 1,546.43 1,421.94 1,495.66 5.2 net electricity sold to managed clients (32) GWh 2,651.90 2,343.60 2,197.13 -6.2 sale in Italy – summary data net electricity sold by Acea on the open market – including sale on Rome (33) GWh 4,190.94 3,684.54 4,234.54 14.9 Acea Energia GWh 3,852.12 3,322.62 3,825.82 15.1 other associated companies GWh 338.82 361.92 408.72 12.9 net electricity sold by Acea in Italy (open market + managed) (34) = (32+33) GWh 6,842.84 6,028.14 6,431.67 6.7 GAS – SALES m.u. 2017 2018 2019 ∆% 2019/2018 gas sold by Acea Energia in Italy (35) MSm3 102.98 128.29 139.75 8.9 Acea Energia MSm3 77.73 98.17 108.38 10.4 other associated companies MSm3 25.25 30.12 31.37 4.1 PUBLIC LIGHTING m.u. 2017 2018 2019 ∆% 2019/2018 luminous flux to Rome (36) Mlumen 1,991 2,010 2,002 -0.4 CONTROLS AND MEASUREMENTS m.u. 2017 2018 2019 ∆% 2019/2018 measurement and control activity (37) no. 371 526 375 -28.7 electro-magnetic field measurements no.