# Russia, Iran, and Azerbaijan regional cooperation > Live situation record from CLSTR: https://clstr.news/situations/russia-iran-and-azerbaijan-regional-cooperation > Updated: 2026-09-06T13:59:23.000Z. Sources: 5. Developments: 2. Russia and Iran have moved to expand energy and nuclear cooperation. Officials reported progress on a land-based natural gas pipeline project involving Gazprom, with a proposed route through Azerbaijan to the Iranian city of Astara. This project aims for a capacity of approximately 150 million cubic meters per day. Additionally, a $25 billion memorandum of understanding was signed for the development of the Hormoz Nuclear Power Plant, a project involving Rosatom and Iran’s private sector intended to reach a 5,000-megawatt capacity by 2031. Parallel to these energy developments, Azerbaijan and Iran are discussing expanded transit and infrastructure cooperation. Discussions between Azerbaijani and Iranian officials focused on the progress of railway construction, specifically noting that work in Azerbaijan has reached the Aghband area. Both nations emphasized the need to complete corresponding sections in Iran to increase regional transport capacity and proposed a joint committee to coordinate efforts in gas, electricity, and transport. ## Timeline ### 2026-09-06: Azerbaijan and Iran discuss railway and transit cooperation Azerbaijan and Iran discussed expanding transit cooperation and railway construction, focusing on completing key rail links to enhance regional transport capacity. 2 sources. https://clstr.news/cluster/azerbaijan-and-iran-discuss-railway-and-transit-cooperation ### 2026-08-27: Russia and Iran advance gas pipeline and nuclear energy deals Russia and Iran are advancing major energy projects, including a land-based gas pipeline through Azerbaijan and a $25 billion agreement to build a 5,000-megawatt nuclear power plant in Iran. 3 sources. https://clstr.news/cluster/russia-and-iran-advance-gas-pipeline-and-nuclear-energy-deals --- Cite as: Russia, Iran, and Azerbaijan regional cooperation. CLSTR, https://clstr.news/situations/russia-iran-and-azerbaijan-regional-cooperation