Permission to connect/inject

This LAP concerns the permitting framework and processes (or restrictions) for hydrogen based SNG (via methanation) and injection into the gas grid at TSO or DSO level, along with technical requirements for and oversight of local grid connection facilities

Glossary:

Permission and additional restrictions regarding connection points for SNG from hydrogen compared to natural gas connection points.
Connection: “Network connection” refers to the connection of the hydrogen generating plant to the existing gas supply network, the link to the connection point of the existing gas supply network, the gas pressure control measuring system, the means for increasing the pressure and the verifiable measurement of the hydrogen to be fed.
Injection: Gas grid access (injection) is the system under which market players are allowed to use capacity in a pipeline, network, gas store or other gas facility.
The injection installation is related to the connection facility.

select country:

Is it a barrier?

Assessment Severity

Questions:

Question 1 Is the legislation with regard to injection of Methane (SNG) via methanation from hydrogen the same as for hydrogen? If yes, question 2-9 are the same as for category 7, application 1: injection of hydrogen in the gas grid and do not have to be answered.

Yes

Question 3 Is it possible for a TSO to refuse to feed in hydrogen from neighbouring countries at cross-border interconnection points? a - If yes, under which conditions?

a - n/a

Question 3 Is it possible for a TSO to refuse to feed in hydrogen from neighbouring countries at cross-border interconnection points? b - Can you have a differentiated treatment (i.e.: applying a more stringent threshold than the one applying under your national law?

b - n/a

Question 5 Connection to the gas grid of hydrogen producing facility a - What are the requirements for connection of the methanation plants which primarily use renewable energies to the gas supply network: i. Is TSO/DSO obliged to connect the facilities; can TSO/DSO deny the connection and under which conditions? ii. Are there requirements for TSO/DSO to ensure the availability of connection? iii. Which are the requirements for facility operator/ SNG from hydrogen supplier?

a - i. – n/a ii. – n/a iii. – n/a

Question 5 Connection to the gas grid of hydrogen producing facility b - Is required to conclude a connection agreement and if yes, what are the requirements for conclusion of a gas grid connection agreement: i. Connection assessment by the TSO/DSO ii. Assessment of grid compatibility by TSO/DSO iii. How much time does it take to conclude a connection agreement

b - i. – n/a. ii. – n/a iii. – n/a

Question 6 Grid access (injection into grid) Is it required to conclude a feed-in agreement (grid access contract) between DSO/TSO and SNG from hydrogen supplier? a) Is DSO/TSO obliged to feed-in the H2; can DSO/TSO deny the injection and under which conditions? b) Are there requirements for DSO/TSO to ensure a minimum feed- in capacity? c) Are there requirements (technical) for the supplier of H2 (or for the supplied H2)?

a – n/a b – n/a c – n/a

Question 6 Grid access (injection into grid) Is it required to conclude a feed-in agreement (grid access contract) between DSO/TSO and SNG from hydrogen supplier? a - Is DSO/TSO obliged to feed-in the H2; can DSO/TSO deny the injection and under which conditions?

a - n/a

Question 6 Grid access (injection into grid) Is it required to conclude a feed-in agreement (grid access contract) between DSO/TSO and SNG from hydrogen supplier? b - Are there requirements for DSO/TSO to ensure a minimum feed- in capacity?

b - n/a.

Question 6 Grid access (injection into grid) Is it required to conclude a feed-in agreement (grid access contract) between DSO/TSO and SNG from hydrogen supplier? c - Are there requirements (technical) for the supplier of H2 (or for the supplied H2)?

c- n/a

Question 7a - Will you treat a connection for SNG from hydrogen injection in the same way as a regular connection for natural gas injection? Or are there other legal/administrative responsibilities/requirements for you as TSO/DSO but also for the supplier with regard to the permission to connect/inject Hydrogen? If yes: please name them.

a-n/a

Question 7b - Are there other requirements for the injection of SNG from hydrogen-NG blends compared to SNG from hydrogen ?

b-n/a

Describe the comparable technology and its relevance with regard to hydrogen

Biogas

National legislation:

Energy Industry Law (Energiewirtschaftsgesetz – EnWG)
§3 (10c) Biogas
Hydrogen generated by water electrolysis and synthetically produced methane when the electricity used for the electrolysis and the carbon dioxide or carbon monoxide used for the methanation in each case originates primarily from renewable energy sources within the meaning of Directive 2009/28 / EC
§49 Requirements for energy installations
(1) Energy installations shall be installed and operated in such a way that technical safety is ensured. The recognized rules of technology must be observed.
(2) Compliance with the generally accepted rules of technology is presumed when in the case of installations for the generation, transmission and delivery of gas the technical regulations of the German Association of the Gas and Water Supply (DVGW) have been respected
Gas Network Access Ordinance (Gasnetzzugangsverordnung – GasNZV
Worksheets DVGW G 260 (Gas quality) DVGW G 262 (Usage of gases from renewable sources in the public gas supply) DVGW G 265–3 (Installations for the injection of hydrogen into gas supply networks – Planning, manufacturing, erection, testing, commissioning and operation), issued by the German Association for Gas and Water Supply
DVGW G 260 and 262 provide the overall requirements for gases in the public supply grids.
DVGW 265–3 sets the technical requirements for installations for injection of hydrogen into gas supply network.