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More than half of Germany is made of bedrock formations that would be suitable to house an underground disposal site for nuclear waste, the Federal Company for Radioactive Waste Disposal (BGE) has found.

Following an intricate process that is to ensure maximum transparency and public acceptance, the BGE today indicating that 90 areas, stretching over 54 percent of Germany, are possible locations for a radioactive waste repository that is to last for 1 million years, according to geological data. 鈥淲ith its geological conditions, Germany is very well suited for finding a site to store highly radioactive waste,鈥� BGE CEO Stefan Studt said at a press conference.

The nation鈥檚 27,000 cubic metres of nuclear waste 鈥� accumulated after producing electricity in nuclear reactors over 62 years 鈥� could find its final resting place in 15 out of the 16 German states. The only large connected areas that have now been excluded from the process are located in the very west and the very south of the country.

鈥淭hree years after the start of the procedure, we have achieved the first widely visible progress in the search for a final repository,鈥� federal environment minister Svenja Schulze said in a press release, adding that she expected all politicians to give the process their backing. 鈥淭he process is good. It deserves trust.鈥�

However, NGO鈥檚 following the process are not as convinced. Antje von Broock from BUND (Friends of the Earth Germany) said at their own press conference: 鈥淭his report has been written behind closed doors for three years. We have not been allowed to see parts of it so that we could start our evaluation.鈥� She said that the citizen participation process (so called sub-area conferences from October 2020 till June 2021) was too short.

Jochen Stay, spokesperson of anti-nuclear NGO said he feared that this process just like previous ones would result in pure conflict. 鈥淥ne location in Germany is to carry the burden of the entire nation鈥檚 nuclear waste. Today, more than half of all wind parks fail because of citizen protests and here we are talking about highly radioactive waste.鈥� He criticised that the data that the BGE used and produced was mostly not public.

The BGE followed a procedure prescribed by law that is designed to prevent any premature or prejudiced decision making in this highly sensitive area, since no German state or region is particularly keen on having the radioactive waste buried on its land. Starting from a blank map, the BGE had to use certain exclusionary criteria (e.g. volcanic activity, earthquakes) as well as minimum requirements (host rock must be clay rock, rock salt or crystalline rock) to arrive at the areas that remain in the running after the exclusion process. Initial research was conducted entirely based on geological data, so other criteria such as settlements or cultural sites, flood plains or protected areas were not incorporated in the 444-pages report (English summary ). They will be included in the following stages.

Jochen Stay from ausgestrahlt criticised that the BGE was going to be its own judge in the further citizen participation process. 聽鈥淚f there is criticism on the BGE鈥檚 report from the citizen conference, the BGE gets to decide itself, if it finds this criticism valid and may simply reject it if it doesn鈥檛鈥�, he said.

The necessary rock formations, including rock salt, crystalline rock (granite), clay rock, that also fulfil other geological requirements, such as having a 300-metre thick layer of rock between the surface and the storage area, exist in large parts of northern, eastern, central and southern Germany, including areas located beneath the North Sea. A total of nine areas are located in clay rock formations, 74 in salt formations and seven in crystalline (granite) bedrock, but their sizes vary between less than 50 square kilometres and areas stretching over almost entire states.聽聽

鈥淲e have found out where we can expect to find favourable geological conditions that make it worthwhile to take a closer look,鈥� said Steffen Kanitz, who is in charge of site selection at the BGE. 鈥淏ut the sub areas we have identified in the report are by no means waste disposal sites yet,鈥� he added.

Although all 16 states agreed to the search process, the Bavarian government in particular has caused unrest by stating in its coalition treaty that it 鈥溾��. Shortly before the publication of the BGE report, Bavarian environment minister the whole process by suggesting that a previously explored storage site at Gorleben (see below) should be looked at more closely than other suitable places. According to the BGE report, large parts of Bavaria have suitable formations of crystalline (granite) or clay rock.

Both Kanitz and Studt of the BGE stressed that their work had been independent and that state and regional governments had delivered the necessary data and had otherwise not tried to interfere in the process. But Studt also warned: 鈥淚t is the responsibility of politicians to back the legislation that they have agreed to and to not make remarks that damage the trust of the population in the procedure.鈥�

Federal environment minister Svenja Schulze reiterated his point in her press release, saying: 鈥淔or me, the central point is that political motives must not be allowed to influence the search for a permanent repository in any way, and a strictly scientific approach must be followed. Only then can a repository site in the end be accepted - regardless of where it will be located in the country.鈥�

By the time Germany shuts down its last nuclear reactor, the plants will have produced 1,900 large containers (around 27,000 cubic metres) of high-level (heat generating) radioactive waste. The decision to phase-out nuclear energy by 2022 and thereby also limiting the overall amount of waste, continues to enjoy overall . It is not challenged by the majority of parliamentarians in the Bundestag or the government, despite some voices expanding the run-time of the existing plants, either for or because they see supply security in the south of Germany potentially threatened when the last reactors are shut-down. In the first half of 2020 a share of 11.3 percent of electricity generated in Germany came from nuclear power plants.

Regardless of Germany鈥檚 decision to stop using nuclear power, searching for a waste storage location is a contentious subject. Only has so far succeeded in finding a final resting place for its nuclear waste (in granite), with France attempting to have one operational in 2035 (in clay rock). If all goes to plan in Germany, the site will be decided on in 2031 so that construction of the underground repository can begin and completed by 2050. Until then, the high-level radioactive waste will remain in temporary storage facilities at the nuclear power stations.

Previous attempts of storing low and medium-level nuclear waste have drawn large criticism and public discontent due to poor planning and execution. An exploration for a high-level waste repository in , Lower Saxony, has been fraught with administrative flaws and opaque 聽planning. To win back trust, the government in 2013 introduced the 鈥溾��, followed by an expert commission which in 2016 delivered a plan on how the search for a repository should be conducted. One of the main and most important aspects of the plan: Germany must be a blank map, i.e., every region could potentially be suitable for a storage facility, ensuring that no communities or states were pre-selected. The salt mine of Gorleben did not meet the criteria of the BGE鈥檚 search and has now been excluded from the process.