Stabl Energy
- Company typePrivate
- Founded2019
- HeadquartersMünchen, Germany
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
Stabl Energy firmographics
Firmographics- Name
- Stabl Energy
- Legal name
- STABL Energy GmbH
- Website
- https://stabl.com
- Company type
- Private
- Founded year
- 2019
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Ownership category
- akta.pro rank
Stabl Energy industry classification
Industry- Product category
- Battery Energy Storage Systems
- NAICS
- Switchgear and Switchboard Apparatus Manufacturing (335313), Relay and Industrial Control Manufacturing (335314)
- SIC
- Switchgear & Switchboard Apparatus (3613)
- akta.pro primary industry
- BESS OEMs (Containerized Systems, Racks, Turnkey Solutions) (EUAFAAAC)
- akta.pro secondary industries
- Stationary Energy Storage Systems (BESS/ESS Integrators) (IMAGAHAD), BESS Operations, Maintenance & Asset Performance Management (APM) (EUAFAAAG)
Keywords
Where Stabl Energy is headquartered
LocationHeadquarters
- HQ city
- München
- HQ country
- Germany
- HQ region
- Europe
Offices2 records
Markets served
Stabl Energy business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Technology or R&D, Supply Chain, Operations, Marketing or Sales, Infrastructure
Revenue model
- Battery Storage Systems (Hardware): Sale of complete battery storage solutions including outdoor containers and Battery Hotel configurations. Systems are sold as 20ft containers with nominal storage capacity of 1,958-1,979 kWh per container and output of 405 kW. Revenue from initial capital equipment sale plus ongoing service contracts.
- Feasibility Studies: Paid feasibility studies that analyze whether battery storage is worthwhile for a business, including detailed simulations, tailored suggestions for dimensioning, profitability assessments, and clear recommendations for action.
- Partner Program Services: Comprehensive 360° service package for partners including planning, installation, commissioning, and ongoing after-sales support. Partner portal access, training courses, webinars, and exclusive partner status.
- Performance Guarantees and Extended Warranties: Performance guarantees of 10 years or 5,000 cycles at 75% remaining capacity, extendable to 12 years or 7,000 cycles, and up to 15 years or 8,000 cycles at 75% remaining capacity.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Pay-as-you-go | Feasibility Study - Initial analysis service |
| Unit Pricing | Multi-year contract | Container Battery Storage System (20ft) |
| Other | Multi-year contract | Battery Hotel Solution |
Go-to-market motion4 records
Distribution channels5 records
Marketing channels9 records
Stabl Energy product offering
Product offeringCore offering
Stabl Energy designs, manufactures, and sells modular battery energy storage systems (BESS) for commercial and industrial customers, built around a patented Modular Multilevel Inverter that enables safe and efficient integration of second-life and zero-life electric vehicle batteries. Its core hardware offerings are the 20-foot STABL Container (1,958–1,979 kWh / 405 kW) and the Battery Hotel solution for e-fleet operators, complemented by the STABL Cloud monitoring platform and feasibility study services.
Product overview
STABL Energy is a German technology company offering modular battery energy storage systems (BESS) for commercial and industrial applications. The product portfolio centers on two main hardware solutions: the STABL Container (20-foot outdoor battery storage with 1,958-1,979 kWh capacity and 405 kW output) and the Battery Hotel (scalable solution for e-fleet operators). These are powered by the proprietary STABL Modular Multilevel Inverter technology, which replaces conventional central inverters and enables up to 99.4% conversion efficiency. The STABL Cloud provides remote monitoring and over-the-air updates with cell-level analytics. The Power Conversion System (PCS) integrates Cell Monitoring Units, inverter modules, and connection boxes for battery management. Applications include Self-Consumption Optimisation, Peak Shaving & Atypical Grid Usage, and Dynamic Electricity Tariffs & Trading. A Feasibility Study service helps determine storage viability for prospective customers. The company specializes in second-life and zero-life battery repurposing, extending battery lifecycle by up to 67% and reducing CO2 emissions by 70% compared to new batteries.
Differentiator
Problem solved
Functional benefit
Products and services
- STABL Container
- Battery Hotel Scalable, modular storage solution for e-fleet operators that converts decommissioned electric vehicle batteries from their own fleet into stationary storage systems. Delivered as a full service from collection, testing, and processing through integration, supporting peak shaving, self-consumption optimization, and grid fee reduction. Currently piloted with Nobina AB targeting 500 MWh total battery capacity.
- STABL Inverter (Modular Multilevel Inverter) Patented modular multilevel inverter that replaces conventional central inverters and battery management systems. Dynamically interconnects low-voltage battery modules in different states of health, enabling touch-safe operation below 60V, conversion efficiency up to 99.4% (measured at Technical University of Munich), and efficiency loss reduction up to 70% versus conventional systems.
- Power Conversion System (PCS) Smart power conversion system combining Cell Monitoring Unit (CMU), STABL inverter module, and Inverter Connection Box for monitoring, controlling, and protecting batteries. Includes state-of-charge management, dynamic switching, redundant security, and cloud connectivity, with deep cell-level battery analytics in the STABL Cloud.
- STABL Cloud Cloud-based monitoring and control platform for STABL battery storage systems. Enables remote monitoring, remote control, and over-the-air updates, providing real-time insights on battery condition, temperature, current, and voltage down to cell level. Data is monitored in real time and sent to the cloud in encrypted form.
- Feasibility Study Analysis service that determines whether an electricity storage system would be worthwhile for a business, including potential savings and optimization options. Based on real data, precise simulations, and individual consumption profiles, with tailored suggestions for dimensioning and clear recommendations for action.
Quantifiable outcome
- 94.6% round-trip efficiency vs. 85% conventional systems
- +8 more outcomes
Companies that use Stabl Energy
Customer profileNamed customers8 records
Segments5 records
Ideal customer profiles5 records
Stabl Energy technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Stabl Energy partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core and minor.
- Nobina ABcoreStrategic partnership with Scandinavia's largest public transport and e-bus fleet operator for Battery Hotel concept development. Pilot project to repurpose electric bus batteries from real-world fleet operations as stationary second-life battery storage systems at depot locations. Focus on depot energy optimization, electricity market participation, and balancing services. Target of 500 MWh total battery capacity.
- Greenflash GmbHcorePartnership with Greenflash for combined PV and battery storage solutions. Greenflash installed 2 MWp photovoltaic system on Giga Coating and System Trailers halls, controlled by GreenX1 Controller. Joint planning and installation of battery storage systems.
- Partner Program NetworkcorePartner program including Boewing, Energielenker, e2m, ES Power, Greenflash, Levonova Energy, Maxx Solar, Outarky, Setrade, SM Energy and other specialist partners for sales, installation, and service of battery storage systems.
- Technical University of MunichcoreAcademic spin-off origin. Technology developed through research projects at Technical University of Munich, University of the Federal Armed Forces in Munich, and Osnabrück University of Applied Sciences. Conversion efficiency tested in scientific studies and master's thesis at TUM.
- University of the Federal Armed Forces MunichminorAcademic partner for research projects that led to company founding and technology development.
- Osnabrück University of Applied SciencesminorAcademic partner for research projects that led to company founding and technology development.
Scale indicators13 records
Recent moves6 records
Expansion highlights7 records
Stabl Energy competitors and assessment
Company assessmentDirect peers
- B2U Storage Solutions: US-based developer of large-scale stationary energy storage using repurposed second-life EV batteries. Directly comparable to STABL's Battery Hotel concept, both targeting grid-scale and C&I applications with heterogeneous battery chemistries.
- Connected Energy: UK-based provider of second-life battery energy storage systems (E-STOR) for commercial and industrial customers. Closest European peer to STABL with similar focus on repurposed EV batteries for grid-support applications.
Broad incumbents
- Sungrow: Leading Chinese inverter and BESS provider with strong presence in European C&I storage. Competes with STABL on inverter efficiency and integrated containerized systems across DACH.
- Sonnen (Shell): German residential and C&I storage provider now owned by Shell. Direct overlap in the DACH market with focus on self-consumption optimization and PV-coupled storage.
- Tesla Energy (Megapack): Tesla's utility-scale BESS product with global deployments. Sets pricing and reliability benchmarks that all C&I and grid-scale storage providers, including STABL, must position against.
- Fluence Energy: Global leader in utility-scale and C&I battery energy storage with the Gridstack and Edgestack product lines. Represents the scaled incumbent STABL must compete against for large C&I and grid-support projects.
- Wartsila Energy Storage (GridSolv): Global energy storage and optimization platform serving utilities and C&I customers. Competes with STABL for large C&I and grid-services projects, though typically at higher power ratings.
Emerging players
- Relectrify: Australia-based company developing advanced battery management technology that enables second-life battery use. Competes with STABL at the cell-management/integration layer rather than full containerized systems.
- Energy Vault: Public company developing gravity and hybrid storage solutions. Less direct overlap but competes for capital and customer mindshare in the stationary storage market STABL targets.
Others
- Nuvve: V2G and fleet energy management company. Comparable to STABL's Battery Hotel strategy through its focus on EV fleet battery monetization, though with a different technical approach.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights6 records
Customer concentration
Stabl Energy social profiles
Digital presenceStabl Energy compliance and trust
Trust signalCompliance5 records
Stabl Energy financial estimates
Financial estimateRevenue estimate
Valuation estimate
Stabl Energy leadership team
Management profileNumber of profiles
Profiles18 records
Stabl Energy funding detail
Funding detailFunding overview
Funding rounds4 records
Investors5 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Stabl Energy M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Stabl Energy
What does Stabl Energy do?
Stabl Energy designs, manufactures, and sells modular battery energy storage systems (BESS) for commercial and industrial customers, built around a patented Modular Multilevel Inverter that enables safe and efficient integration of second-life and zero-life electric vehicle batteries. Its core hardware offerings are the 20-foot STABL Container (1,958–1,979 kWh / 405 kW) and the Battery Hotel solution for e-fleet operators, complemented by the STABL Cloud monitoring platform and feasibility study services.
Is Stabl Energy a public or private company?
Stabl Energy is a private company. It is classified as venture growth investor backed and is currently operating.
When was Stabl Energy founded?
Stabl Energy was founded in 2019. It employs 51 to 100 people.
Where is Stabl Energy based?
Stabl Energy is headquartered in München, Germany, in the Europe region.
How does Stabl Energy make money?
Four revenue lines are on record. Battery Storage Systems (Hardware) is the primary driver. The others are feasibility Studies, partner Program Services and performance Guarantees and Extended Warranties.
Who are Stabl Energy's main competitors?
Direct peers on record are B2U Storage Solutions and Connected Energy. Broad incumbents are Sungrow, Sonnen (Shell), Tesla Energy (Megapack), Fluence Energy and Wartsila Energy Storage (GridSolv). Emerging players are Relectrify and Energy Vault. Nuvve is listed as an others.
Does Stabl Energy have an API?
No public API is recorded for Stabl Energy.
What industry is Stabl Energy in?
Stabl Energy's product category is Battery Energy Storage Systems. Its primary akta.pro industry code is EUAFAAAC, BESS OEMs (Containerized Systems, Racks, Turnkey Solutions), with a secondary code of IMAGAHAD, Stationary Energy Storage Systems (BESS/ESS Integrators). Its NAICS code is 335313 and its SIC code is 3613.