Ailit (YC F26) — Electrifying north american freight rail with swappable batteries
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Ailit is building the electric energy system for North American freight rail. Our first product, Superwagon, is a battery wagon designed to power existing diesel-electric locomotives, allowing railroads to electrify the fleets they already own.
Ailit is a Y Combinator company in the Fall 2026 batch. Its directory entry describes it as: Electrifying North American freight rail with swappable batteries. The founders listed are Christian Lind (Founder/CEO), Emil Tagesson (Founder/CTO) (Y Combinator directory entry, November 3, 2026).
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
Ailit is building the electric energy system for North American freight rail. Our first product, Superwagon, is a battery wagon designed to power existing diesel-electric locomotives, allowing railroads to electrify the fleets they already own.
Superwagon carries swappable battery packs that supply electricity to the locomotive’s existing electric motors. Discharged packs are exchanged for charged ones along the route and recharged off-board, providing operators with limitless range.
We deliver energy as a service, owning and operating the batteries and swapping sites. Railroads pay for energy with no upfront equipment purchase, with pricing set at 20% below today’s diesel cost.
Founded in Stockholm by Christian Lind and Emil Tagesson, our team is now based in San Francisco. We’re building our first full-scale prototype and targeting first deployment in summer 2027.
Checked away from the directory entry. What is below does not come from the company's Y Combinator page.
Battery power for existing locomotives, delivered as a service. Ailit supplies the batteries, charging and software. Starting with Superwagon.
The title and description the site itself served, answering 200. Not a cached copy and not the company's directory entry — what was live when we asked.
Christian Lind
Founder/CEO
Co-founder & CEO of Ailit, electrifying North American freight rail. Studied theoretical physics at KTH, where my thesis built a diffusion-based deep learning model of the US power grid that outperformed state-of-the-art models. Previously ML engineer at Modulai. Swedish, now in San Francisco.
Big fan of hardware startups and the push to reindustrialize.
Emil Tagesson
Founder/CTO
Co-Founder & CTO of Ailit Rail, replacing diesel in rail with swappable battery power.
At Candela, I took the world's first battery-electric hydrofoil passenger ferry from prototype through certification, into revenue service, and on to series production. Previously on the battery team at Koenigsegg. Led powertrain & electronics at KTH Formula Student, building fully in-house electric race cars. MSc Embedded Systems at KTH.
Founders, titles and bios as the company published them. Photographs are our own copies of the ones on that record, so they do not break when the original link expires.
One of 60 companies held here in Industrials › Energy.
No investor is drawn from a Form D — the form states how many invested and never who. The one investor on this graph is named because a batch has exactly one.
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
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The Short Answer
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What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
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Warning Bells
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