1Komma5
$1Bpaper valuation
// OVERVIEW
1Komma5° is a German climate tech rollup that spent three years acquiring 70+ solar installers across Europe and turned the fragmented residential energy market into a €1 billion vertical integration play. The company sells solar panels, heat pumps, battery storage, and EV chargers through a unified platform that promises homeowners they can hit net-zero emissions while making money on electricity arbitrage. The problem is that Europe's residential energy subsidies are contracting, interest rates turned installation financing from cheap to expensive, and the company is racing to prove that hardware aggregation at scale generates software-level margins.
// HQ
Hamburg, Germany
// STATUS
PRIVATE
// FOUNDED
2021
// TIER
The Unicorn Herd · $1B – $9.9B
// PRIMARY SECTOR
climate
// FOUNDERS
// FUNDING ROUNDS
// SECTORS SERVED
// TECHNOLOGY
The core product is Heartbeat — an AI energy management system that optimizes when to charge home batteries, when to sell electricity back to the grid, and when to run heat pumps based on real-time electricity prices. It is essentially a smart controller for residential energy assets that makes arbitrage decisions homeowners would never make manually. The platform aggregates thousands of distributed batteries into virtual power plants that can sell grid stabilization services to utilities.
// WOWLS ASSESSMENT
1Komma5° raised €430 million in equity and debt by mid-2024 and was installing 1,000 solar systems per month across Germany, Sweden, and Italy. The business model works if three things hold: electricity price volatility stays high enough to make battery arbitrage worth the capital cost, European subsidies for heat pumps and solar remain generous, and customers believe the 15-year payback period on a €40,000 all-in home energy system. Germany cut solar feed-in tariffs in 2024, Sweden's electricity prices dropped 60% from 2022 peaks, and financing costs doubled. 1Komma5° is now competing with Tesla Energy, Octopus Energy, and dozens of local installers who did not raise €430 million and therefore do not need to hit venture-scale returns on residential energy retrofits.
// WHY WOWLS HUNTS THIS
The company raised €430 million to prove that aggregating solar installers generates software margins — the actual evidence is that it generates hardware margins at software burn rates. WOWLS hunts companies where the unit economics only work if you do not count the cost of capital.
// VALUATION NOTE
€1B valuation cited in mid-2024 reporting; €430M in combined equity and debt raised through Series B
VERDICT: BLOATED — €1 BILLION VALUATION ON A ROLLUP OF 70 SOLAR INSTALLERS BETTING HOMEOWNERS WILL PAY €40,000 FOR NET-ZERO WHEN GERMANY JUST CUT THE FEED-IN TARIFFS THAT MADE THE MATH WORK
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// LOADING INTEL…
// BROADCAST INTEL
// SIMILAR TARGETS
// INTEL UPDATED: MAY 2026
// INTELLIGENCE DISCLAIMER: Assessments represent editorial opinion based on publicly available data including filings, press reports, and market data as of the date shown. Valuations are approximate. Not financial or investment advice.
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