1KOMMA5°
Founded 2021 · 1,335 employees on LinkedIn · 18 known investors
Find your way into 1KOMMA5°
1KOMMA5° provides residential energy systems that combine solar panels, heat pumps, battery storage, and EV wallboxes, coordinated by its Heartbeat AI software to optimize electricity use and offer dynamic, individualized electricity pricing. It serves homeowners through a network of regional installation businesses and showrooms across Germany and Europe.
Founders & leadership
1KOMMA5° was founded in 2021 by Philip Liesenfeld.
PL

Philip LiesenfeldinFounder
Investors · 18
2150London
CoastCapVienna
eCAPITAL ENTREPRENEURIAL PARTNERSMünster · $2.2M – $6.5M
Norrsken VCStockholm · $1.1M – $3.2M
b2venturereported · 2 sourcesBerlin · $270K – $5.4M
EurazeoreportedParis
G2VPreported · 2 sourcesPortola Valley
Hamilton LanereportedConshohocken
HV CapitalreportedMunich, Bavaria · $540K – $54M
Porsche VenturesreportedLuxembourg
Also in the syndicate · 8
2150vcBlue Elephant VenturesCalSTRSeCapitalG2 Venture Partners (G2VP)leadHanielNorrskenSabanci Climate Ventures
Funding
SEC filings, press & company announcements- Undisclosed amountpre-IPO roundJul 2025Source ↗
- Undisclosed amountpre-IPO funding roundJul 2025
2150vc, b2venture, Blue Elephant Ventures, CalSTRS, eCapital, Eurazeo, G2VP, Hamilton Lane, Norrsken, Porsche Ventures, Sabanci Climate Ventures
Source ↗ - Undisclosed amountPre-IPOMar 2025
G2VP (lead), HV Capital
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does 1KOMMA5° do?
- 1KOMMA5° provides residential energy systems that combine solar panels, heat pumps, battery storage, and EV wallboxes, coordinated by its Heartbeat AI software to optimize electricity use and offer dynamic, individualized electricity pricing. It serves homeowners through a network of regional installation businesses and showrooms across Germany and Europe.
- Who founded 1KOMMA5°?
- 1KOMMA5° was founded by Philip Liesenfeld in 2021.
- Who are 1KOMMA5°'s investors?
- 1KOMMA5°'s investors include 2150, CoastCap, eCAPITAL ENTREPRENEURIAL PARTNERS, Norrsken VC, b2venture, Eurazeo, G2VP, Hamilton Lane and 2 more.





