MVM Démász (South)
DSO - Hungary
Publication info
| Publication status | Published |
| Access link to GHC publication of the SO | https://mvmhalozat.hu/aram/oldalak/125383 |
| Access type | Public |
| Geographical Coverage | All six DSOs in Hungary |
| Spatial granularity | Nodal (substation) – HV/MV |
| Voltage Level Coverage | HV (132 kV), HV/MV (132/35 kV, 132/22 kV, 132/11 kV) |
| Time Horizon (e.g. Y+1, Y+3 / 202x / snapshot) | Y (2026Q1), Y+5 (2031Q1) |
| Data Format (Table, Map, etc.) | Table |
| Grid user types covered | Production: wind, solar, energy storage, hydro, gas, heat pumps |
| Displayed Capacity Type (e.g. available/requested/reserved/connected etc.) | Available, requested |
| API Availability | Openly available |
| Grid hosting capacity downloadable & format | Only internal (as per above explanation), Excel format |
| Update Frequency | Quarterly |
| Available language | National language(s) only |
Hosting capacity assessment
| Capacity type considered for available hosting capacity information (e.g., Firm and/or Flexible) | Firm |
| Description of what firm capacity means | HV/MV transformer capacity based on the supply/demand power that can be delivered on the MV network |
| Description of the aspects/methodology that leads to firm capacity results | Way of defining free capacity on the meshed HV network |
| Main assumptions/disclaimers behind calculations | The calculations assume technological neutrality, using standardised metrics like capacity, energy, and duration. They rely on scenario-based modelling from EU and national adequacy assessments, with seasonal time series data for demand and generation. Forecast errors, grid constraints, and operational limits are factored in. All inputs are based on validated data from TSOs and DSOs, and confidentiality is maintained throughout the process |
Additional information for connection request and hosting capacity information
| Connection request procedure | TSOs and DSOs must publish detailed information on available grid capacity for new connections, especially in areas where capacity is limited or unavailable. This includes spatially granular updates, typically monthly, to inform applicants and support transparency. If a connection request is neither granted nor rejected, the operator must regularly update the applicant on the status and potential for flexible connection. This includes quarterly updates and guidance on alternative options like flexible agreements. Link: https://mvmenergiakereskedo.hu/oldalak/70558 |
| Available options for the investors if the map shows “no capacity available” in their interested area | Mandatory need for network development/investment |
| Connection request rules/principles | Applicable window |
| Information published for volumes of connection requests/waiting lines | No |
Relevant references/Links/Additional material
Connection request process
Connection process link: https://mvmenergiakereskedo.hu/oldalak/70558
Legal references
13/2025. (VII. 31.) MEKH rendelet a villamos energia csatlakozási díjak alkalmazási szabályairól - Hatályos Jogszabályok Gyűjteménye – MEKH Decree on framework rules for determining electricity system usage fee, connection fees and special fees for the price regulation cycle
Contact point for hosting capacity information
Ministry of Energy and NRA - link https://kormany.hu/kormanyzat/energiaugyi-miniszterium
Contact point for connection requests
Hungarian Investment Promotion Agency - link https://hipa.hu/