Comprehensive construction of a 110/20 kV substation. Reconstruction of the 110 kV line and cable lead-ins into the substation. Design, execution and start-up of a connectivity system with PSE Operator S.A. and PGE Dystrybucja S.A. Białystok Unit. Design, supply and start-up of green energy measurement systems in 16 WTGs, along with the supply, installation and start-up of the complete measurement system. Conduction of compliance tests on the Wind Farm, in accordance with IRiESD requirements (Polish Distribution Grid Code), includig the so called energy quality tests.