Typical Grid Connection Process and Timeline for Renewable Energy Sources (RES)

STAGE 0 (ADMINISTRATIVE) – Collection of Project Documentation and Data
0.1Contract executionClient / NEZE
0.2Collection of documentation in accordance with the checklistClient
0.3Preparation of the equipment modification applicationNEZE
0.4Review of the equipment modification applicationDSO
STAGE 1 (DESIGN) – Design and Administrative Activities
1.1Grid connection design – documentation preparationNEZE
1.2Grid connection design – approval processNEZE / DSO
1.3Operational Cooperation Instructions (IWR)NEZE / DSO
1.4Testing and Commissioning Schedule (HPiT)NEZE / DSO
STAGE 2 – IMPLEMENTATION
2.2Transformer Substation Delivery
2.2.1Delivery of transformer substation / R_GENNEZE
2.2.2Installation of transformer substation / R_GENNEZE
2.3I/O CABINET DELIVERY AND INSTALLATION
2.3.1I/O cabinet installation in RG_BESS / GPZ / GPO / STNEZE
2.4METERING SYSTEM UPGRADE
2.4.2Delivery and installation of the metering systemNEZE
2.5COMMISSIONING OF PROTECTION SYSTEMS (EAZ) AND TELECONTROL
2.5.1Protection relay configuration in the MV switchgearNEZE
2.5.2Uploading protection settingsNEZE
2.5.3Verification of protection logic, automation and interlocksNEZE
2.5.4Testing protection settings implemented by the PV/CHP/BESS/WT supplierNEZE
2.5.5MSG modem configurationNEZE
2.5.6Scheduling and performing communication tests with the DSONEZE
2.5.7Telecontrol verification report with the DSONEZE / DSO
2.6PV/CHP/BESS/WT System Configuration
2.6.1Delivery of complete documentation and technical information from the BESS / PV / WT supplier (supplier contact details and commissioning procedure)Client
2.6.2Commissioning and configuration works, including support for PV/CHP/BESS/WT service engineersNEZE
2.6.3SCADA system for market functions – DATAMATIC?Client
2.7ENERGIZATION – GRID CONNECTION OF THE FACILITY
2.7.1Preparation and submission of the Distribution Services Agreement applicationNEZE
2.7.2Review of electricity supplier offersClient
2.7.3Execution of agreements:
Distribution Services Agreement (with the DSO)
Electricity Purchase Agreement (any supplier with a BRP)
Electricity Sales Agreement (any supplier with a BRP)
Balancing Agreement (BRP) (any supplier with a BRP)
Client / DSO
2.7.4Electricity supplier agreement becomes effectiveClient
2.7.5Completion of commissioning documentation and notification of readiness for acceptanceNEZE
2.7.6Technical inspection by the DSONEZE / DSO
2.7.7Commissioning of the installationNEZE
STAGE 3 – POST-COMPLETION
3.1AS-BUILT DOCUMENTATION
3.1.1Compilation and printing of as-built documentationNEZE
3.1.2As-built documentation (redline corrections)NEZE
3.1.3Formal procedure for obtaining FON (Final Operational Notification)NEZE
3.2SERVICE
Maintaining the 2-year warranty (including the supply and replacement of consumable components such as power supplies, batteries, etc.)
3.2.1Service 1-1NEZE
3.2.2Service 1-2NEZE
3.2.3Service 2-1NEZE
3.2.4Service 2-2NEZE