Data item details

Name: Changes to net transmission network gas flows, winter 2025/2026 vs winter 2024/2025 (TWh)

Comment: Large changes are defined as those exceeding 10 TWh in absolute terms.
The aggregation of cross-border gas flows is based on tailored strategies that generate timeseries for each edge of the target topology using JRC’s eurogastp Python package. Low-calorific gas flows and pipelines are excluded from this analysis. PLYAM represents the Polish part of the Yamal pipeline.

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Last updated: 2026-04-21 17:09

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Flow

Fields to export Flow 2024 Flow 2025 Changes to net transmission network gas flows (TWh)

Flow	Flow 2024	Flow 2025	Changes to net transmission network gas flows (TWh)
AT HU	3.44	12.20	8.70
AT SI	4.77	6.30	1.50
AT SK	−23.98	2.10	100000.00
BE DE	60.43	123.80	63.40
BE NL	14.46	11.20	−3.20
BG GR	14.64	9.10	−5.50
BG RO	14.35	26.80	12.40
BG RS	61.56	60.70	−.80
CH IT	26.54	37.60	11.00
CZ PL	2.05	5.00	2.90
CZ SK	−12.10	8.40	100000.00
DE AT	18.07	49.50	31.50
DE CH	4.54	12.10	7.60
DE CZ	18.54	38.10	19.60
DE DK	−.71	2.10	100000.00
DE LU	0.00	0.00	0.00
DE PL	5.35	8.00	2.70
DE PLYAM	0.37	13.10	12.80
DK PL	44.18	56.60	12.40
EE FI	3.81	3.00	−.90
ES PT	−1.12	1.80	100000.00
FR BE	39.91	41.20	1.30
FR CH	37.55	42.90	5.30
FR DE	0.00	0.90	0.90
FR ES	−1.16	0.70	100000.00
HR HU	1.72	0.90	−.80
HR SI	1.15	0.10	−1.10
HU SK	16.49	11.20	−5.30
HU UA	12.32	18.30	6.00
IGB BG	5.22	6.80	1.60
IT AT	−7.06	4.40	100000.00
IT SI	0.07	0.40	0.30
LT LV	1.97	5.70	3.70
LT PL	1.99	1.90	−.10
NL DE	56.87	67.50	10.60
PL UA	−3.03	19.50	100000.00
PLYAM PL	0.35	15.30	14.90
RO HU	6.43	8.80	2.40
RO MD	7.40	10.40	3.00
RO UA	0.23	3.30	3.00
RS HU	40.25	41.70	1.40
SK PL	0.04	2.20	2.20
SK UA	−35.57	8.00	100000.00
UA MD	6.95	1.20	−5.70