ČEZ Distribuce

DSO - Czech Republic

Publication info

Publication status Published
Access link to GHC publication of the SO
Access type Open
Geographical Coverage Operational area of ČEZ Distribuce
Spatial granularity TSO and DSO level
Voltage Level Coverage MV/HV, LV partially
Time Horizon (e.g. Y+1, Y+3 / 202x / snapshot) Monthly
Data Format (Table, Map, etc.) Map
Displayed Capacity Type (e.g. available/requested/reserved/connected etc.) The interface displays information on the unavailability of the given capacity/limited capacity/availability of capacity.
API Availability Not Applicable
Grid hosting capacity downloadable & format PDF Format
Update Frequency Monthly
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

Fully available network capacity (8,760 hours/year)

Description of the aspects/methodology that leads to firm capacity results

The methodology for assessing connection feasibility is based on the Distribution System Operation Rules (PPDS), Annex No. 4. The basic technical parameters for assessing connection feasibility include:

  • Limit of connectable capacity to the Czech power system (ES), known as the balance limit 
  • Limits of node areas (UO)
  • Transformation capacity in the distribution system (HV/MV, MV/LV)
  • Transmission capacity of lines (HV, MV, LV)

Impact on power quality parameters – primarily voltage change (ΔU) for normal and backup supply conditions caused by the generating unit being connected, including all connected and approved generating units on the same feeder.

Description of what flexible capacity means (if applicable)

Flexible (non-guaranteed) capacity refers to a customer connection with a mutually agreed-upon contractual option for curtailment by the DSO, where connection to the distribution system is not guaranteed 100% of the time. This is to ensure the reliability of the distribution system.

Description of the aspects/methodology leading to flexible capacity results

The calculation methodology is based on the maximum possible use of the equipment’s transmission capability throughout the year and limits power output to 5% of the annual generated energy.

Description for the criteria and methodologies used that lead to the published information

Normal operating state (configuration) of the distribution system and the usability of the 110 kV/MV transformation transmission capacity.

Additional information for connection request and hosting capacity information

Connection request procedure Information at this link: https://www.cezdistribuce.cz/pro-vyrobce/podani-zadosti-o-pripojeni
Available options for the investors if the map shows “no capacity available” in their interested area Address the DSO regarding the “anticipated availability of capacity”
Connection request rules/principles First come, first served
Information published for volumes of connection requests/waiting lines No

Relevant references/Links/Additional material