I started with a simple question: how many barrels of oil does Uruguay import per year, and can you see the energy transition in that number? Not in institutional reports, but in raw data, year by year, compared with the country's economic growth.
What I found is worth telling. And how I got there, too.
The role of AI in this analysis
I used Claude as a research collaborator, not an oracle. The distinction matters: AI is good at searching, synthesizing, and visualizing data, but it needs the person on the other side to know what to ask and when to be suspicious of an answer. With that framework, the process was surprisingly fast: import data from MIEM and the CIA World Factbook,[1] historical GDP data from the World Bank,[2] energy milestones from official Uruguayan sources[3] — all normalized and charted in minutes.
Without judgment, AI generates plausible text about anything. With judgment, it's an enormous productivity multiplier. This article is an example of that.
The story in the data
Uruguay produces no oil. Not a single barrel.[4] The U.S. Department of Commerce puts it bluntly: "the country does not produce hydrocarbons domestically and relies entirely on imports." ANCAP operates the country's only refinery (La Teja, Montevideo), but all the crude it processes comes from abroad — primarily Nigeria, the United States, and Argentina. In 2025 the government authorized offshore exploration with possible production after 2030, but for now, zero.
With that context, in 2000 Uruguay imported ~33,000 barrels per day. By 2007 it was over 52,000: the economy was growing strongly post-2002 crisis and oil tracked along.[5] The GDP-barrels correlation was nearly perfect. The peak came in 2012 at ~65,000 bbl/day, and here something important needs explaining.
Uruguay generates a large share of its electricity from hydroelectric dams — historically between 40% and 60% of the electric grid.[6] When rainfall is low and reservoirs drop, UTE (the state power utility) needs to compensate with thermal plants that burn diesel and fuel oil — both petroleum derivatives. In 2012 three factors converged: a severe drought forcing thermal plants to run at maximum capacity, a post-global-crisis economic rebound with high fuel demand, and ANCAP stockpiling operations. The result: the highest import peak in the country's recent history.[7]
After 2012, something structurally different happens.
Both axes show an index with base 1975 = 100, to compare two variables with different units. EIA/MIEM data from 1980; 1975–1979 estimated. Sources: World Bank, EIA, MIEM-DNE.
The policy decision behind the chart
In 2006, Uruguay does something unconventional: instead of subsidizing renewables with artificial prices, it opens competitive international tenders. Private companies compete to offer the cheapest energy; the State guarantees clear rules and long-term contracts. In 2011, 150 additional MW of wind were tendered — bids came from over 20 international companies, and the government contracted well beyond the original plan, expanding capacity by more than 40% of the total system.[8]
By 2016, Uruguay had 1,000 MW of installed wind power — equivalent to all the hydroelectric capacity built over decades — and thermal generation dropped to nearly zero under normal conditions.[9] That's the mechanism: the plants that burned diesel every time reservoirs dropped were no longer needed. Wind replaced not only thermal generation but also the hydrological climate risk.
Why aren't barrels still falling?
Since 2016, imports have stabilized at ~40,000–43,000 bbl/day. GDP grew another 60% in that period. Uruguay's energy transition decarbonized almost exclusively the electricity sector. Transportation, industry, and agriculture still run on diesel and gasoline — they represent ~70% of final petroleum product consumption.[10]
That organic demand growth (estimated at 1–2% annually in similar economies) was offset almost exactly by the reduction in thermal generation. The two forces canceled out, leaving the curve flat. The plateau is not stagnation: it's consumption growth masked by renewable substitution. Without the wind transition, Uruguay would likely be importing between 50,000 and 55,000 bbl/day today.
What the chart can't prove — and what it does suggest
A temporal correlation is not causation. But what is verifiable: before 2008, thermal generation represented 15% to 30% of electricity in dry years; by 2020 it was just 6%.[11] The drop in imports is consistent with that number. And when Brent rose to USD 120 after the invasion of Ukraine in 2022, Uruguay weathered that shock better than its neighbors — because it no longer depended on oil to keep the lights on.[12]
What comes next
The Uruguayan government calls it "the second energy transition": decarbonizing transportation. In 2025, 14,387 electric vehicles were sold, a 147% year-over-year increase.[13] If the vehicle fleet electrifies at a rate comparable to how wind generation advanced, the barrel curve should begin its second descent before the end of this decade. That too will be visible in the data.
Sources