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This weekend, the #BalticStates #Estonia, #Latvia, and #Lithuania will disconnect from the #Brell power grid that has connected them to #Russia and #Belarus for the last 80 years. The will connect to the synchronous grid of Continental #Europe - the largest synchronous power grid in the world. This has been planned since 2018 and was affirmed by a decision of the #EU in 2023.
During the procedure,all power lines to the Russian grid will be severed. The Baltic States will become a power island for about one day. During this time, their regional grid will be synchronized to the Eurpean grid before it can be connected to it through a new power line between #Lithuania and #Poland.
The operation is not without risk. In addition to technical challenges, #sabotage from #Russia is expected. The Baltic States have set up their military to protect their critical power infrastructure over the weekend.
As a result of the process, #Kaliningrad will also be cut off from the Russian grid and become a power island for the foreseeable future.
https://www.ft.com/content/d64c2559-1d39-4c72-9317-887598f81799
@dgfeist I was first thinking that they were already synchronised, but of course the sea cables are DC.
Are there any websites where we can follow the progress?
@ahltorp You are right. At first, I was also confused when I heard that Estlink 2 was already transmitting ~600 MW of power when it was cut by the tanker Eagle S in December 2024. But the 3 undersea cable linking Scandinavia and the Baltic States are all DC. Hence, they do not provide synchronisation but are still critical for grid stabilization, especially during the short power island period on Saturday/Sunday.
Unfortunately, I do not know a web site that provides more detailed information. And even the FT article I linked to seems to be behind a paywall now (it was not, when I read it this morning). If you find a better web site please share.
@dgfeist The only website I found writing about it so far is the Swedish Svenska Kraftnät (the government authority handling national transmission services). They write (in Swedish) about the NordBalt connection and its importance during the switch.
@dgfeist I found a countdown on the Estonian Elering website:
There are different times for the different countries, so beware.
@ahltorp Very cool! The site also as more nice information.
Something I learned in the meantime: it seems like Russia tried to beef up their power grid infrastructure in #Kaliningrad as they will be cut off from the Russian power grid in the process. However, they did not coordinate their measures in any way with the EU or the Baltic States.
So, let's see how #Kaliningrad will be able to handle the situation now that the actual disconnection starts ~10 months ahead of the original planning (end of 2025).
Honestly, I don''t care if the lights go out in #Kaliningrad tonight (or later).