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Henri Horn

@henrihorn.mastodon.energy.ap.brid.gy
48 followers 2 following 88 posts

Renewable energy professional in Finland Finnish posts at @henrihorn 🌉 bridged from ⁂ mastodon.energy/@henrihorn, follow @ap.brid.gy to interact

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Reposted by Henri Horn
Chris Nelder 🤘 @chrisnelder.mastodon.energy.ap.brid.gy · 25/10/2026
Amazing engineering! For the Americans who don't speak metric, that's: Rotor diameter 564' Blade length 276' Total height 935' (more than the length of three football fields) Concrete tower height 354'
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Reposted by Henri Horn
Dan Gillmor @dangillmor.mastodon.social.ap.brid.gy · 8h
Trump world has systematically gerrymandered, cheated, and more to rig the mid-term elections for the Republicans. Some of their gambits have been blocked. Some -- maybe a lot -- are working as planned. Journos: We need a comprehensive explainer of how much they've done, and what impact it's had.
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 25/10/2026
Germany claims tallest onshore wind turbine with serial produced components using hybrid tower by Max Bögl and Vestas: Vestas V172 – 7,2 EnVentus 7,2 MW Rotor dia 172 m Annual yield 17.000 MWh Blade length 84,3 m Total height 285 m Concrete tower height 108 m Steel profiles: 4 Cranes: Liebherr […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 23/10/2026
"From March 2025 through June 2026, either solar or wind individually generated more electricity than nuclear every month. In March, April and May 2026, both technologies independently surpassed nuclear generation." […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 20/10/2026
Members of Green Party in Norway demand removing "unnecessary restrictions and bureaucratic obstacles” to plug-in solar and batteries, which are currently prohibited in Norway. Why doesn't the Finnish Green Party do this? […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 18/10/2026
The innovative #geothermal project by #Eavor in Geretsried, Bavaria has halted drilling and is apparently struggling to get #DistrictHeating delivery started. www.zfk.de/energie/waerme/eavor-geo…
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 18/10/2026
Not quite sure what this Wood Mackenzie study is comparing, since batteries don't generate any power, they just store it: 4-hour battery storage is 65% to 75% cheaper than new open-cycle gas turbine peakers, as gas turbine prices are projected to triple to $600/kW by 2027 What are the cost […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 15/10/2026
Battery waste recycling facilities in Germany 🇩🇪 report increasing damages caused by battery fires, reaching up to 395 million euros. Expenses have tripled in 5 years. The study comprises 180 facilities during the years 2021 to 2025 […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 14/10/2026
The Nuclear Illusion — A Field Guide Against the Myths of the Nuclear Lobby www.linkedin.com/pulse/nuclear-illu…
linkedin.com
The Nuclear Illusion — A Field Guide Against the Myths of the Nuclear Lobby
Why this guide exists Nuclear power is not losing the energy debate on ideology. It is losing on arithmetic, on calendars and on balance sheets — and its lobby knows it.
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 14/10/2026
www.tagesschau.de/ausland/europa/fi…
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 11/10/2026
French ground-mounted solar tender prices fell to €60/MWh in October 2026, down from €79.48/MWh in the previous comparable round in 2025, a decline of nearly 25%. Small-scale rooftop PV (100–500 kW) prices also dropped to €75/MWh, down 15.5% from €88.73/MWh in the first tender held in 2025 […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 11/10/2026
Historians and political scientists will undoubtedly spend the 2030's discussing a new breed of heads of state described as @ImmatureIndividual "Stubb's pragmatic and strategic handling of Trump, likening it to managing an immature individual while quietly […] [Original post on mastodon.energy]
Screenshot of the Conversation Summary of the Washington post article of Finland president Alexander Stubb

The conversation explores various perspectives on Finnish President Alexander Stubb's approach to international politics, particularly in relation to former U.S. President Donald Trump. Participants in this discussion highlight Stubb's pragmatic and strategic handling of Trump, likening it to managing an immature individual while quietly advancing Finland's interests. There is admiration for Stubb's intelligence and realism, with some commenters noting Finland's robust defense strategy and historical awareness of Russia's aggressive tendencies
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 08/10/2026
Rapid investment in demand flexibility and battery storage is crucial for the financial viability of existing power plants, as spot prices increasingly hover around zero. For the French nuclear fleet the annual 800 hours with negative price are economically equivalent to a drop in capacity […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 08/10/2026
Scarce resources induce innovation. During the embargo South Africa developed the Fischer Tropsch process to make gasoline from coal. Fortunately, today there are cleaner technology options to ensure mobility in an oil-constrained economy.
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 08/10/2026
Now that the EU has banned #Greenwashing, Munich's municipal utilities company SWM has replaced their official claim of carbon neutrality by 2040 with more vague statements, like district heating "mostly from deep geothermal" […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 05/10/2026
The same lack responsibility is featured in the race to the moon, including US and China. A station on the moon would probably be powered by a nuclear reactor. Scientists say they "can't be bothered" to worry about any nuclear waste on the moon […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 05/10/2026
The chanches that Rosenergoatom would spend the estimated 21 billion euros to responsibly decommission and dismantle their 35 ageing nuclear reactors in Russia are probably close to zero. The company’s own estimates point to a funding shortfall of approximately 18.7 billion euros […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 05/10/2026
Who else should pay for climate change if not Big Oil? The victims? www.washingtonpost.com/politics/202…
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 05/10/2026
If it is worth stealing, why was is waste to begin with?
newsie.social
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 03/10/2026
The new #Mispel law in Germany provides clear pathway for home batteries including bidirectional EV chargers to feed into the grid and avoid double grid charges. The existing EVs on German roads already have enough battery capacity to cover the entire national electricity demand for two hours […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 30/09/2026
Germany has increased the price of the #Deutschlandticket to 66€/month just a few days before reducing gasoline prices. The ticket allows unlimited rides on all public buses, trams, metros and local/regional trains. Experts point out that people should be […] [Original post on mastodon.energy]
Bar chart showing the cost of the Deutschlandticket from initial 49 to 58 to 63 and now 66,80 euros per month
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 28/09/2026
Finland is once more one of the baddies. EU is upset that Finland doesn't allow electricity consumers to share self-generated or stored renewable electricity with other customers “within the same bidding zone or a more limited geographical area,” as the Directive (EU) 2024/1711 mandates […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 27/09/2026
Contrary to what the Finnish army has always claimed, research of Lappeenranta University suggests that #WindPower offers better opportunities for surveillance of Finland's border with Russia. Passive radar equipment on towers can improve detection of low-flying drones despite some interference […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 24/09/2026
Helsinki’s new Kaivokatu plan is meant to make the city centre around the Railway station safer by banning through for private cars and giving more space to pedestrians and cyclists. But the national federation of visually impaired has appealed against the plan, saying the open layout, more tram […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 23/09/2026
Just used a Volkswagen ID4 with 17.000 km mileage and tires already worn out. As a new set of tires costs 1700€ it seems the cost of tires at 10ct/km is higher than the cost for electricity.
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 23/09/2026
While Google announces three new massive #DataCenters in #Finland with no limits to energy use, their home state is passing laws ensuring that "those profiting from data centers aren’t doing so at our expense." Data centers must pay for: -transmission and distribution upgrades and load […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 15/09/2026
Probably nothing to worry about www.washingtonpost.com/national-sec…
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 14/09/2026
Another remarkable discovery in the Finnish media is that #BalconySolar is actually safe and making huge progress worldwide. It feels as if Finns had no idea what is happening outside our borders. Germany already has millions of #Balkonkraftwerk units in use and Finland still claims this […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 14/09/2026
Even the traditionally pro-nuclear Finnish media appears to finally comprehend that nuclear power is prohibitively expensive. yle.fi/a/74-20245890
Graphic showing production cost of one megawatt hour of electricity for onshore wind 51, solar 56, offshore wind 126 and nuclear 150 to 200 euros
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 11/09/2026
One key phase of the solar age is coming to an end. Germany’s 20-year fixed EEG feed-in tariff, which helped kick-start the global solar boom in the 1990's and set off a downward spiral in panel prices, will end this year. Minister Reiche, a fan of gas and nuclear, appears determined to block […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 07/09/2026
There are unfinished nuclear plants in surprisingly many places. Typically the reason for cancelling construction is delays or budget overruns, like in Cuba. www.cnn.com/2026/09/07/world/video/…
cnn.com
The nuclear power plant Cuba never finished | CNN
Cuba’s blackouts have plagued the country for decades. In the 1980s, Fidel Castro turned to the Soviet Union to build the Juraguá nuclear power plant, a massive project and an ambitious attempt to reduce his country’s dependence on oil. But when the Soviet Union collapsed, so did the dream of a nuclear future for the communist island. CNN’s Juan Carlos López repots.
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 07/09/2026
This could spell trouble to Finnish nuclear startup Steady Energy and their heat-only small modular reactor. Their most likely first customer, the Helsinki energy utility Helen, seems to prefer producing both heat and power. Other interested customers […] [Original post on mastodon.energy]
Article in Kauppalehti, where Helen CEO appears to prefer SMR designs tha produce both heat and power. That would yield two income streams instead of just one
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 25/05/2026
Several jurisdictions mandate a rooftop DC isolator for solar PV. Unfortunately, these disconnect switches have become a leading cause of PV system fires. The latest example: a severe rooftop blaze in northern Finland triggered by a failed isolator swich. yle.fi/a/74-20223357
yle.fi
Poliisi vahvistaa: Näätämön kauppapalo johtui todennäköisesti aurinkokennoista
Tulipalo tuhosi Inarin Näätämössä sijaitsevan marketin täysin. Palonsyyn tutkinta on nyt valmistunut.
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 22/05/2026
The Finnish government demands a 1000‑meter buffer for wind turbines because they “ruin the view.” Meanwhile, clear‑cutting thriving forests into moonscapes just a few meters from existing homes is approved, encouraged, and subsidized. If this is environmental policy, it’s upside down.
Photo of forest after clear cutting in Finland
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 22/05/2026
Germany lowers air travel tax: www.tagesschau.de/inland/luftverkeh… Finland subsidises domestic air travel: yle.fi/a/74-20224968 So when it comes to air travel, the government has plenty of money to waste and climate is of no importance
tagesschau.de
Bundestag beschließt Senkung der Luftverkehrssteuer
Bei Flügen wird ab Juli eine geringe Ticketsteuer fällig. Das hat der Bundestag am Abend beschlossen. Ob das wirklich Einfluss auf die Ticketpreise hat, ist aber fraglich. Umweltverbände sprechen von "klimapolitischem Irrsinn".
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 22/05/2026
Pennsylvania gets it: the additional grid costs created by data centers should be paid by data centers, not everyone else. www.utilitydive.com/news/pennsylvan…
utilitydive.com
Pennsylvania releases ‘first-of-its-kind’ large-load model tariff
The guidelines call for utilities to charge large-load customers for upgrades that “would not have been needed ‘but for’ the interconnection” of that customer, “irrespective of whether other customers will benefit” from the infrastructure.
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 20/05/2026
What a strange moment to be a Finn. Four years ago we had a cabinet led largely by women; now a simple selfie with a minister can turn into a political liability for any high‑profile woman in public life […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 19/05/2026
#Electrification is a shield against chaos. When nations rely on imported #fossilFuels, they gamble with public stability. Kenya shows how quickly frustration can ignite when people are trapped in a fuel‑dependent system with no alternatives […] [Original post on mastodon.energy]
Chart of elctrification rates in various countries showing Kenya last. Image from Jan Rosenow.
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 17/05/2026
Even if drones can’t breach a reactor’s containment dome, hitting external transformers or switchgear can still knock out cooling systems — and without cooling, reactors can overheat or even face meltdown risk. aje.news/s8oigf
aljazeera.com
Drone strike sparks fire on perimeter of UAE’s Barakah nuclear power plant
Authorities say radiation levels remain normal, operations not affected.
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 17/05/2026
These killing machines are still allowed in the centers of our busiest cities. www.nytimes.com/2026/05/15/nyregion… www.cnn.com/2026/05/16/europe/moden…
cnn.com
Four bystanders tackle knife-wielding driver after car plows into crowd in Italy | CNN
Shortly after a car plowed into a crowd of pedestrians in Modena, Italy on Saturday, four Italian civilians stepped in and tackled the vehicle’s driver, pulling him to the ground, according to the city’s mayor.
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 15/05/2026
CNN cites historian at Columbia University about billionaires: ...taxing the rich “feels to them like an unbearable personal insult” that questions their “moral virtue.”.. "In reality, .. the wealthiest people in America pay lower taxes than the full population: The 25 top billionaires’ wealth […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 15/05/2026
Useful analysis from @nytimes on how Trump and the broader MAGA movement are steering the US away from democratic norms and toward autocratic practices. www.nytimes.com/interactive/2026/05…
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 13/05/2026
By dismantling the sustainable heating law, the German government is signaling that installing new fossil‑fuel systems is somehow an act of “freedom.” The article highlights what this really means: freedom to lock ourselves into outdated, harmful energy choices […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 13/05/2026
Masdar and Jinko sign a 2GW solar panel supply agreement on the world’s first gigascale round-the-clock renewable energy project in Abu Dhabi. Eventually the project will comprise a 5.2GW solar photovoltaic plant with a 19 GWh battery energy storage system […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 13/05/2026
Colorado introduces #BalconySolar, up to 2kW per apartment. The new bill prevents a utility from prohibiting or charging fees for use of #PlugInSolar systems. It also bars homeowner associations or landlords from unreasonably prohibiting their use […]
mastodon.energy
Original post on mastodon.energy
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Reposted by Henri Horn
Henri Horn @henrihorn.bsky.social · 30/03/2026
Solar-powered farming in Malawi increases crop yields, provides income and reduces the food price volatility due to fossil fuel price hikes. These micro-tractors will each cost $3,500 and the solar recharging arrays $1,500, sold to cooperatives or leased like Uber. edition.cnn.com/world/africa...
edition.cnn.com
Solar-powered micro electric tractors bring light to farmers in Malawi | CNN
An electric tractor that’s entirely powered by the sun could boost crop yields for farmers in sub-Saharan Africa and in doing so, improve access to electricity.
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 04/02/2026
Modern battery units for plugin balcony solar systems include automatic spot price arbitrage functionality: recharge battery when electricity is cheap and feed power to grid when prices are high: www.pv-magazine.com/2026/02/03/grow…
pv-magazine.com
Growatt launches 5 kWh AC-coupled balcony storage system
The IP66-rated Aura 5000 system features bidirectional inverter functionality and an AC output of up to 2.5 kW.
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 03/02/2026
Finland added a record breaking 227 MW of utility scale solar PV capacity last year www.pv-magazine.com/2026/02/03/finl… Germany adds that amount in about five days. The state of Bavaria alone added 4,5 GW in 2025, twenty times the Finnish […]
mastodon.energy
Original post on mastodon.energy
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Henri Horn @henrihorn.mastodon.energy.ap.brid.gy · 01/02/2026
As soon as the price of #BalconySolar units in the US drops 70% as they did in Germany and become widespread, their ability to provide disaster resilience will be acknowledged. A 5 kWh battery costs only 1500 Euros in Germany, or 1770 US dollars. Many units feature an emergency AC outlet. That […]
mastodon.energy
Original post on mastodon.energy
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Reposted by Henri Horn
Henri Horn @henrihorn.bsky.social · 21/09/2025
What a load of bullshit by Finnish Prime Minister Petteri Orpo on Winning the Debate on Climate Change. I lost my job in clean energy development in 🇫🇮 because of his governments utter lack of commitment, so I moved to Germany. NYT should do their homework. www.nytimes.com/interactive/...
nytimes.com
Finnish Prime Minister Petteri Orpo on Winning the Debate on Climate Change
We asked heads of state how they’re steering their countries as America retreats.
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