Latest / The Productivity Podcast with Fexingo: Output, Efficiency, and Long-Term Economic Growth / How Switzerland Built Europe's Most Productive Grid
Transcript
- Lucas: Let's start with a number: 99.97 percent. That is the reliability rate of Switzerland's electricity grid, year after year. It means the average Swiss household loses power for less than 20 minutes annually. Compare that to the US average of about 4 hours, or parts of Eastern Europe where it can be a full day. Luna: And that reliability isn't just a convenience thing — it matters for productivity. Lucas: Exactly. For a precision manufacturing plant in canton Zurich or a data center in Basel, a one-second voltage dip can destroy a production run or corrupt terabytes of data. The Swiss grid's consistency is a hidden productivity subsidy for the entire economy. Luna: So how did a landlocked country with no major fossil fuel reserves build the most reliable grid in Europe? Lucas: Part of the answer is geography — the Alps give Switzerland an enormous hydro advantage. About 60 percent of Swiss electricity comes from hydro, most of it from run of river and reservoir plants. But the real productivity trick is pumped storage. Switzerland has about 2.5 gigawatts of pumped-storage capacity, including the Linth-Limmern plant, which is basically a giant battery carved into the mountain. Luna: Pumped storage — that's when you pump water uphill when electricity is cheap or abundant, then let it flow down through turbines when you need power. It's like a reservoir for electrons. Lucas: Right. And Linth-Limmern, which went fully online in 2018, can generate 1,000 megawatts for about 6 hours straight. That capacity lets the grid absorb fluctuations from solar and wind — which Switzerland is adding rapidly — without destabilising frequency. And Swiss industry pays about 20 percent less for electricity than the EU average, partly because of that hydro backbone. Luna: But there's also nuclear in the mix, right? About 35 percent of Swiss power comes from four nuclear plants. That's the baseload complement to hydro. Lucas: Correct. And that combination — hydro for flexibility, nuclear for steady baseload — has let Switzerland avoid the kind of grid stress that hit Germany during its Energiewende, when coal had to be kept online as backup. Switzerland actually shut its last coal plant decades ago. Its grid CO2 intensity is among the lowest in the world. Luna: But there's a political story here too. Switzerland's energy system wasn't planned by technocrats in a vacuum. Voters have weighed in repeatedly. Lucas: That's the key insight for a productivity lens. In 1974, Swiss voters passed a federal energy law that gave the government authority to coordinate energy planning across cantons. That referendum set the foundation for the grid we're describing. Then in 1990, voters approved a 10-year moratorium on new nuclear plants. In 2017, they voted to phase out nuclear entirely but with no fixed deadline — it happens when plants become uneconomical or unsafe, not by calendar. Luna: So the public has been deeply involved, but the decisions have been long-term and consistent. No whiplash every election cycle. Lucas: Exactly. And that stability is itself a productivity factor. When a company like ABB — which is headquartered in Zurich — knows that grid reliability and electricity pricing will be predictable for decades, it can invest in high-productivity, energy-intensive operations with confidence. You can't do that if energy policy flips every four years. Luna: But there's a looming question. Switzerland is phasing out nuclear, the Alpine glaciers that feed the hydro reservoirs are retreating, and the country is increasingly reliant on electricity imports from its neighbours — especially in winter when hydro generation drops. In December 2022, Switzerland imported about 15 percent of its electricity. What happens to the productivity subsidy if that import dependence grows? Lucas: That's the tension. Switzerland has been building new renewables — solar capacity tripled between 2020 and 2025 — but it's not enough to replace the four nuclear plants. The government's 2050 energy strategy assumes massive expansion of solar and wind, plus continued imports from the EU. But the EU hasn't finalised an electricity agreement with Switzerland since the framework talks collapsed in 2021. Without that deal, Switzerland's access to cross-border balancing markets is uncertain. Luna: So the very thing that made Swiss industry so productive — cheap, reliable, low-carbon power — might become less reliable as the energy mix shifts. That feels like a productivity risk that not enough people are talking about. Lucas: It's a real headwind. The Swiss Federal Office of Energy projects that by 2035, Switzerland will need about 40 terawatt-hours from new renewables or imports to meet demand. That's roughly the output of three nuclear plants. If that supply doesn't materialise, industrial electricity prices could rise by 30 to 50 percent. That would directly hit the productivity of every kWh-dependent sector. Luna: And all of this connects to a broader point: energy infrastructure is a productivity story that's usually told in engineering terms — gigawatts, reliability percentages — but the real impact is on human effort and economic output. Lucas: Totally. A factory that never loses power is a factory that never has to rework a batch, never reboots a CNC machine, never pays overtime for a missed shift. That's productivity at the most granular level. And Switzerland's grid has delivered that for decades. The question is whether the political system that built it can adapt to the next energy transition without losing that edge. Luna: This is one of those episodes where I find myself thinking: if people understood how much productivity is baked into infrastructure, they'd pay more attention to energy policy. Lucas: Honestly, if today's conversation was worth a coffee to you, that's the link — buy me a coffee dot com slash fexingo. It's a small gesture that helps us keep the show independent and ad-free. Luna: Yeah, it's a way to say this kind of deep-dive matters. And every bit of support goes straight into research and production time. Lucas: So back to Switzerland's challenge: the country's energy model was built on two pillars — hydro and nuclear. Both are long-lived, high-capital, low-operating-cost assets. Replacing them with solar and wind, which have very different cost profiles and require grid-scale storage, is not just an engineering problem. It's a productivity transition that will play out over the next two decades. Luna: And the Swiss are trying to do it while keeping prices low and reliability high. That's a tall order. Lucas: It is. But if any country has the institutional capacity to pull it off, it's Switzerland. The country's per capita GDP is over $92,000. Its debt to gdp ratio is about 40 percent. It has the fiscal space to invest. And the public has a track record of supporting long-term energy investments. But the clock is ticking — the first nuclear plant is scheduled to be decommissioned in 2029. Luna: So maybe the next productivity story out of Switzerland won't be about a bank or a pharma company. It'll be about whether a small, rich country can reinvent its energy backbone without dropping the ball. Lucas: Exactly. And that's a story worth watching — not just for energy wonks, but for anyone who cares about what makes an economy truly productive.