A fire at an external contractor’s facility has stalled the deployment of the EDEN-LUNA greenhouse, pushing its integration into the Cologne-based LUNA testing site to the second quarter of 2027.
The delay, originally obscured by the German Aerospace Center (DLR), was confirmed following a parliamentary inquiry in the German Bundestag.
Fire Disrupts Greenhouse Refurbishment Timeline
The incident occurred while the EDEN-LUNA container was undergoing refurbishments, according to the response provided to the Bundestag on October 20. The DLR had disclosed a 2027 arrival date as early as September 4, but it did not provide a reason for the delay until prompted by members of the Alternative for Germany (AfD) party.
The documentation provided to the Bundestag remains sparse regarding the incident’s specifics. Neither the scope of the physical damage nor the identity of the external contractor has been publicly detailed.

From Antarctic Trials to Lunar Simulation
The EDEN-LUNA project builds on the agency’s EDEN ISS greenhouse, which was operated near the Neumayer III research station in Antarctica between 2018 and 2022. After being dismantled and returned to Germany in April 2023, the system began a transition phase at the Institute of Space Systems in Bremen.
Engineers are currently upgrading the unit to handle the rigors of lunar surface simulation. The upgraded facility will include robotic assistance, automated plant monitoring, and systems designed to recover nutrients from waste products. The facility is meant to integrate with the LUNA site, a 700-square-metre lunar terrain simulator inaugurated in September 2024 by the DLR and the European Space Agency.
International Cooperation on Lunar Agriculture
The technical challenges of lunar cultivation extend far beyond basic hydroponics. The Lunar Agriculture Module – Ground Test Demonstrator (LAM-GTD) project represents a tripartite effort between the DLR, NASA, and the Canadian Space Agency. These agencies are attempting to move past the small-scale experiments performed on the International Space Station—which previously yielded lettuce, chili peppers, and radishes—toward systems capable of sustaining entire crews.
The core objective is to move away from Earth-dependent supply chains. The environment on the Moon is hostile, characterized by extreme thermal fluctuations and high cosmic radiation levels. To mitigate these, the proposed architecture involves connecting a greenhouse module directly to a simulated living and working area for astronauts, allowing for a symbiotic exchange of resources and waste products between the two modules.
The 2032 Decision Horizon
- 2026: Initial target for LUNA facility installation (now missed).
- Q2 2027: Revised deadline for container installation at the LUNA site.
- 2032: Deadline for the DLR, NASA, and CSA to decide whether and how the demonstrator will actually be constructed.
Broader Implications for Controlled Environment Tech
The data harvested from these terrestrial tests also applies to terrestrial agriculture. By optimizing for minimal water and energy consumption, the research aims to improve food security in arid, desert-like environments on Earth.