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March was a record month for renewable power in Germany

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Energy Transition

Renewable energy made up just over 41% of Germany’s power supply last month, the most ever at around 19.5 TWh. It’s a good thing, too, because nuclear power production may have fallen to its lowest monthly level since the 1970s – even though no nuclear plant has been switched off since 2015. Meanwhile, has France’s tentative nuclear reduction reached a milestone? Craig Morris takes a look.

Protest against the French nuclear plant Fessenheim, which will close in 2020 (Photo by Michael Schmalenstroer, edited, CC BY-SA 3.0)

Protest against the French nuclear plant Fessenheim, which will close in 2020 (Photo by Michael Schmalenstroer, edited, CC BY-SA 3.0)

In March, Germany posted yet another wind power record, with production peaking at 38.5 GW on March 18, just topping the old record of 38 GW on February 22. The month as a whole was the biggest ever for renewables in the country as well, thanks primarily to more electricity from wind and solar.

Together, they generated some 12.5 TWh, though it was not a record month for either. (The monthly record for wind is 11.2 TWh from December 2015; for solar, 5.5 TWh from July 2015.) Power from biomass (not wood pellets!) was also strong at 4.5 TWh but also far from its record of 4.8 TWh in December 2014. Likewise, hydropower was some 50% stronger than in recent months, but otherwise unremarkable.

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Meanwhile, Germany’s nuclear power production hit its lowest monthly level probably since the fleet was built up in the mid-1970s and 1980s – I simply don’t know where to find such old data by month (if you do, drop us a comment below). But based on annual production data, it seems that Germany has not had so little nuclear power since the mid-1970s. The phaseout alone does not explain it; eight reactors of the 19 that were once online are still in service. Half of them are now down:

  • Neckarwestheim II, the youngest reactor in Germany, went off on Friday night for scheduled refueling, but with a twist: the fuel rods are not simply to be changed. Rather, the operator, EnBW (now wholly owned by the government of the state of Baden-Württemberg, which has a Green Minister-President) wants to inspect each fuel rod and only swap out the ones that need it (report in German). The firm must close the reactor at the end of 2022, so it is working now to ensure that the fuel rods left over then are as spent as possible.
  • Grohnde, another reactor undergoing its regular overhaul, is expected to come online this week after more than a month.
  • Brokdorf remains offline after rust was unexpectedly discovered on its fuel rods at the beginning of February. It is still unclear when the reactor will go back online. Its fate also partly lies with the Greens in the state government of Schleswig-Holstein.
  • Finally, Philippsburg II has been off since December, when an emergency system failed. There is also no date for its ramp-up.

This summer, the next reactor is scheduled to be shut down for good: Gundremmingen B, a plant that is currently running full blast. Under the original phaseout plan from 2002, the reactor would have closed in 2016. It most recently made headlines for being infected with the Conficker computer worm. The last German reactor was switched off almost two years ago.

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Across the Rhine, France’s Bugey 5 reactor’s containment vessel is now to be held together with whitewash (lait du chaux) and resin (mastic), as a press release (in French) from French nuclear watchdog ASN explains. The resulting lime mortar is now undergoing tests to see if it does indeed patch up the leaky parts at the bottom of the containment vessel.

Bugey 5 has been offline since August 2015. The French hope to get another three reactors online this summer. At Fessenheim 2, the oldest in the country, excessively high carbon concentrations were found. Gravelines 5 needs a new generator, as does Paluel 2 – except that there, the old generator crashed inside the reactor as it was being removed, so a few other things are needed now as well.

In similar news, Fessenheim’s closure has become official with its publication in the Gazette on Sunday. The plant will close whenever the new reactor at Flamanville goes into operation. It is unclear what will happen if the EPR reactor turns out to be impossible to finish. France aims to reduce its reliance on nuclear power from 75% of demand to 50% by 2025.

Source: Energy Transition. Reproduced with permission.  

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  • GlennM

    Great,
    so on an annual basis how are they tracking towards the 2020 goal ?

    • heinbloed

      https://www.energy-charts.de/ren_share.htm

      (activate “annual” in the grey left column)

      • Bristolboy

        It’s good to see that after the slight blip in 2016, the upward trend has been reestablished!

        • heinbloed

          Yes, the 2016 blip seen in the linked chart shows the percentage of RE from the total power production.
          This total power production in 2016 went up for several reasons: economical growth,growth of population, an extra day in 2016, colder temperatures and a high demand for exports: the French and Swiss atom fleet was very limited and they both took whatever the cables could deliver. So plenty of spare generation capacity in Germany was started to help them out.
          RE power production increased as well in 2016 (by about some meager 10TWh I think, ca. +0.3%/year) but the output of the dinos was pushed up more.

  • Ian

    These plants seem to be falling apart. What is done with the accumulated spent fuel/high level nuclear waste?

    • nakedChimp

      Still searching for an Endlager on German ground I think, until then stuff is temporarily stored near the nukes in CASTORs.
      Some waste had been brought under ground some years back and last thing I heard about needs to get dug out again as it’s not safe.
      You can’t make this stuff up..

    • heinbloed

      https://euobserver.com/beyond-brussels/132085

      The atomic waste storage facilities are dissolving.

  • Macabre

    There is little doubt that German will achieve or exceed its plans to become nuclear free. The birth of the green movement dates back to Chernobyl, which had strong environmental impacts in Germany, particularly in the south west. That is where the green movement began and is still the Green’s biggest stronghold in Germany. The Germans (particularly those in Baden Württemberg) are particularly aggrieved by the continued operation of Fessenheim just across the border in France, despite well known problems, a history of cover-ups, and the fact that it has already exceeded its planned life.

  • heinbloed

    April looks like setting another record as well:

    https://www.energy-charts.de/ren_share.htm

    The forecasts are looking splendid:

    https://spotrenewables.com/index.php?page=freeresources