HSL Solar
- Company typePrivate
- Founded2010
- HeadquartersWiesen, Germany
- Headcount51–100
- GTM typeB2B and B2C
- OfferingServices
HSL Solar firmographics
Firmographics- Name
- HSL Solar
- Legal name
- HSL Solar GmbH
- Website
- https://hsl-solar.de
- Company type
- Private
- Founded year
- 2010
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Ownership category
- akta.pro rank
HSL Solar industry classification
Industry- Product category
- Solar PV Installation Services
- NAICS
- Solar Electric Power Generation (221114)
- akta.pro primary industry
- Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)
- akta.pro secondary industries
- Renewable Distributed Generation (Rooftop/Onsite Solar, Small Wind, Small Hydro) (EUACALAJ), Solar Roofing & Roof-Mounted PV Systems (IMADAFAO), Solar Mounting, Racking & Trackers (Fixed-Tilt, Single/Dual-Axis, Rooftop Mounts) (EUAMABAF)
Keywords
Where HSL Solar is headquartered
LocationHeadquarters
- HQ city
- Wiesen
- HQ country
- Germany
- HQ region
- Europe
Offices1 record
Markets served
HSL Solar business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Supply Chain, Personnel, Operations, Marketing or Sales, Technology or R&D
Revenue model
- Photovoltaic System Sales and Installation: Sale and installation of complete photovoltaic systems including solar modules, inverters, mounting systems, and battery storage for residential and commercial customers. One-time hardware and installation revenue with comprehensive service from consultation to commissioning.
- Maintenance and Service: Ongoing maintenance, cleaning, troubleshooting, and warranty services for installed PV systems. Regular maintenance ensures efficiency and longevity of systems.
- Photovoltaic Insurance: Free 5-year photovoltaic insurance included with system purchase, protecting customers' investment against all eventualities.
- Dynamic Electricity Tariffs: Partnership with E.ON offering dynamic electricity tariffs for PV system owners, enabling customers to benefit from low stock market prices during high renewable energy periods.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Multi-year contract | Custom PV system pricing based on individual requirements |
| Other | Pay-as-you-go | Referral bonus program |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels4 records
HSL Solar product offering
Product offeringCore offering
HSL Solar plans, installs, and maintains photovoltaic (PV) systems for residential households and commercial-industrial customers across Bavaria, Hesse, and Baden-Württemberg. The offering bundles solar modules, inverters, battery storage, EV charging stations, mounting systems, heat pumps, and E.ON-powered energy management into turnkey installations, supported by ongoing maintenance, warranty, insurance, and subsidy advisory services.
Product overview
HSL Solar is a regional photovoltaic installation company serving Bavaria, Hesse, and Baden-Württemberg, operating as a 100% subsidiary of E.ON. The product portfolio centers on a comprehensive solar energy ecosystem comprising PV systems (solar modules from Heckert Solar, JA Solar, and Futura Sun, paired with inverters from Fronius, Solax, Kostal, and Enphase), complemented by battery storage solutions (BYD, HVS+), EV charging stations (Kostal wallboxes), heat pumps (Calor), and smart energy management (E.ON platform). The company offers end-to-end services including consultation, installation, maintenance, warranty, insurance, and government subsidy advisory. The offering is a unified solutions approach combining hardware products with services, not a modular software platform.
Differentiator
Problem solved
Functional benefit
Products and services
- Photovoltaik-Anlagen (PV Systems) Turnkey photovoltaic systems including solar modules (from Heckert Solar, JA Solar, Futura Sun) and inverters (Fronius, Solax, Kostal, Enphase) for converting sunlight into electrical energy, available for residential and commercial customers in southern Germany.
- Stromspeicher (Battery Storage) Battery storage systems including BYD and HVS+ models that store excess solar energy for later use, maximizing self-consumption and reducing grid dependency for residential and commercial customers.
- Ladestationen (EV Wallbox) Electric vehicle charging stations including Kostal products that enable solar-powered charging of electric cars for residential and commercial customers.
- Wärmepumpen (Heat Pumps) Heat pumps from Calor for sustainable residential heating solutions that can be integrated with solar energy systems.
- Montage & Installation Professional installation services for PV systems performed by in-house qualified personnel for residential and commercial customers.
- Wartung (Maintenance) Regular maintenance services to ensure optimal performance, efficiency, and longevity of installed photovoltaic systems.
- Photovoltaik-Versicherung (PV Insurance) Free 5-year photovoltaic insurance bundled with system purchase, protecting the customer's investment against all eventualities.
- Dynamischer Stromtarif (Dynamic Electricity Tariff)
Quantifiable outcome
- Reduce electricity bills through self-generated solar power
- +3 more outcomes
Companies that use HSL Solar
Customer profileNamed customers12 records
Segments3 records
Ideal customer profiles3 records
HSL Solar technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration8 records
Feature3 records
HSL Solar partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core and minor.
- E.ONcoreHSL Solar is a 100% subsidiary of E.ON (E.ON Energie Deutschland GmbH). This partnership provides brand credibility, access to E.ON's testing labs and quality assurance, the E.ON Additional Warranty program (10 years product and performance warranty), dynamic electricity tariffs, and the E.ON Energy Management system. The partnership enables HSL Solar to leverage E.ON's position as one of Germany's largest energy providers.
- EVA AlzenauminorCollaborative project partnership for Wall PV installation at a gas station. EVA Alzenau is a local partner for specific projects in the Alzenau area.
Scale indicators3 records
Recent moves6 records
Expansion highlights6 records
HSL Solar competitors and assessment
Company assessmentDirect peers
- Enpal GmbH: Berlin-based solar leasing and subscription company that installs residential PV and battery systems across Germany. Closely comparable in residential solar EPC and storage bundling, but uses a leasing/capital-light financing model rather than HSL's CAPEX purchase model.
- 1Komma5° GmbH: Hamburg-based, full-stack climate-tech company offering residential and commercial PV, battery storage, EV charging, heat pumps, and energy management across Germany — directly comparable product mix, customer segments, and service model to HSL Solar, but at significantly larger scale.
- Zolar GmbH: Berlin-based online solar marketplace and installer that connects German homeowners with regional installers and offers financing. Comparable to HSL in target customer (residential PV), channel approach (digital lead generation), and German geographic focus.
- Solarwatt GmbH: Dresden-based manufacturer of PV modules and glass-glass solar systems that also operates an installer network across Germany. Comparable to HSL in PV systems, battery storage, and EV charging offerings, with a similar residential and commercial customer base.
Broad incumbents
- Viessmann (Carrier): Major German heating and climate technology manufacturer (now part of Carrier) increasingly bundling heat pumps, PV, and storage. Comparable to HSL on the heat-pump and integrated home energy system layer, but at national/European scale.
- E.ON Energie Deutschland GmbH: Parent company of HSL Solar and one of Europe's largest energy utilities. Operates its own solar, heat pump, and EV charging businesses at national scale; relevant both as parent and as an indirect competitor through other regional and digital offerings.
- Stiebel Eltron GmbH & Co. KG: German heating, hot water, and renewable energy technology manufacturer with a strong heat-pump portfolio and growing solar offering. Comparable to HSL on the heat-pump and integrated home energy system layer, and a potential partnership or competitor for the same German residential customers.
- EnBW Energie Baden-Württemberg AG: Large German energy utility with a growing residential and commercial solar, heat pump, and EV charging offering through subsidiaries including SENEC. Competes with HSL in Baden-Württemberg and beyond via utility-scale reach and digital platforms.
Emerging players
- SENEC GmbH: Leipzig-based battery storage and energy management specialist (owned by EnBW). Comparable to HSL on the storage and energy management product layer, though SENEC primarily acts as a hardware/software supplier while HSL is the installer.
- Sonnen GmbH (Shell): German residential battery storage and virtual power plant company owned by Shell. Comparable to HSL's storage and energy management product layer; competes for the same residential self-consumption and energy independence use cases.
Market position
Strengths4 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
HSL Solar social profiles
Digital presenceHSL Solar compliance and trust
Trust signalCompliance3 records
HSL Solar financial estimates
Financial estimateRevenue estimate
Valuation estimate
HSL Solar leadership team
Management profileNumber of profiles
Profiles1 record
HSL Solar funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
HSL Solar 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 HSL Solar
What does HSL Solar do?
HSL Solar plans, installs, and maintains photovoltaic (PV) systems for residential households and commercial-industrial customers across Bavaria, Hesse, and Baden-Württemberg. The offering bundles solar modules, inverters, battery storage, EV charging stations, mounting systems, heat pumps, and E.ON-powered energy management into turnkey installations, supported by ongoing maintenance, warranty, insurance, and subsidy advisory services.
Is HSL Solar a public or private company?
HSL Solar is a private company. It is classified as corporate owned and is currently operating.
When was HSL Solar founded?
HSL Solar was founded in 2010. It employs 51 to 100 people.
Where is HSL Solar based?
HSL Solar is headquartered in Wiesen, Germany, in the Europe region.
How does HSL Solar make money?
Four revenue lines are on record. Photovoltaic System Sales and Installation is the primary driver. The others are maintenance and Service, photovoltaic Insurance and dynamic Electricity Tariffs.
Who are HSL Solar's main competitors?
Direct peers on record are Enpal GmbH, 1Komma5° GmbH, Zolar GmbH and Solarwatt GmbH. Broad incumbents are Viessmann (Carrier), E.ON Energie Deutschland GmbH, Stiebel Eltron GmbH & Co. KG and EnBW Energie Baden-Württemberg AG. Emerging players are SENEC GmbH and Sonnen GmbH (Shell).
Does HSL Solar have an API?
No public API is recorded for HSL Solar.
What industry is HSL Solar in?
HSL Solar's product category is Solar PV Installation Services. Its primary akta.pro industry code is EUAMABAB, Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System), with a secondary code of EUACALAJ, Renewable Distributed Generation (Rooftop/Onsite Solar, Small Wind, Small Hydro). Its NAICS code is 221114.