Renewable energy jobs at 1KOMMA5°
-
On-site Full time Today -
On-site Full time Today
-
Expired
Höxter, GermanyFlexible Full time More than 3 months ago
-
Expired
Chemnitz, GermanyOn-site Full time More than 3 months ago
-
Expired
Wernigerode, GermanyFlexible Full time More than 3 months ago
-
Expired
Kiel, GermanyFlexible Full time 2 months ago
-
Expired
Northeim, GermanyFlexible Full time 2 months ago
-
Expired
Metzingen, GermanyOn-site Full time More than 3 months ago
-
Expired
Heidenheim, Germany + 1 locationFlexible Full time More than 3 months ago
-
Expired
Kirchheim unter Teck, Germany + 2 locationsFlexible Full time More than 3 months ago
-
Expired
Frankfurt (Oder), GermanyFlexible Full time More than 3 months ago
-
Expired
Remscheid, GermanyOn-site Full time More than 3 months ago
-
Expired
Würzburg, GermanyFlexible Full time More than 3 months ago
-
Expired
Southern Germany, GermanyFlexible Full time More than 3 months ago
-
Expired
Berlin, GermanyFlexible Full time More than 3 months ago
1KOMMA5°
Company Overview
1KOMMA5° GmbH
Hamburg, Germany
2021
Approximately 2,500 employees worldwide (source: growjo.com). Revenue of 520 million euros in 2024 (source: startupcity.hamburg).
What They Do
1KOMMA5° is a Hamburg-based cleantech startup focused on accelerating the transition to carbon-neutral energy for households. This is achieved through the acquisition of electrical installation companies and the development of proprietary software. The company's core technology is the Heartbeat AI platform, which integrates photovoltaic systems, energy storage, heat pumps, and electric vehicle charging stations into Europe's largest virtual power plant. This platform optimizes operations through IoT connectivity and AI-driven planning, resulting in significant cost reductions in energy supply (source: tech.eu).
Projects & Track Record
By the end of 2023, 1KOMMA5° had installed over 170,000 energy systems, including the acquisition and integration of the Danish market leader Viasol. These projects enable the provision of photovoltaic systems, storage solutions, heat pumps, and charging infrastructure in residential areas. The company plans to increase the number of Heartbeat connections from 10,000 in 2023 to 40,000 in 2024, significantly enhancing the reach and efficiency of its services (source: tech.eu).
Recent Developments
In the past two years, 1KOMMA5° secured an oversubscribed Series B funding round of 215 million euros, making the company a unicorn with a valuation of 1 billion dollars. In 2024, a revenue of 520 million euros was announced, representing a doubling of revenue compared to the previous year. Recent initiatives also include the establishment of Heartbeat GmbH, which focuses on further developing the Heartbeat AI platform (source: startupcity.hamburg).
Working There
1KOMMA5° offers a variety of roles in sales and installation through acquired craft companies, as well as software development for the Heartbeat AI platform. The company has a culture based on transparency and trust, fostering an environment that supports rapid growth and innovation. Employees are encouraged to actively participate in shaping and improving services (source: 1komma5.com).
Last updated on Feb 23, 2026 | Report an issue
Get job alerts
Get renewable energy jobs delivered weekly to your inbox
Join Talent Pool
Let top clean energy employers find you
Featured jobs
Renewable energy blog posts
-
Renewable Energy Forecast for 2030
By 2030, renewables are poised to supply nearly half of global electricity, with solar and wind leading this explosive expansion. In this data-driven piece, we explore job creation forecasts, supply chain bottlenecks, and policy hurdles. -
Fastest Growing Renewable Energy Sector: Data and Trends
In 2023, solar photovoltaics surged by 32.59%, officially making it the fastest-growing renewable energy source worldwide. Yet offshore wind, which soared by 57.87% in 2021, remains a formidable competitor in total electricity output due to its high capacity factor. This concise overview highlights how policy incentives, cost reductions, and manufacturing advances are propelling solar to the forefront of the global energy transition. -
Career Opportunities in Solar Energy
The solar energy sector is experiencing unprecedented growth, with over 7.1 million jobs in solar PV alone as of 2023. For professionals considering a career shift into renewable energy, solar offers pathways across R&D, manufacturing, project development, and operations.
