Sundust
Sundust AG is a Swiss renewable energy contracting platform that finances, installs, and operates solar PV, battery storage, and EV charging systems for commercial, industrial, and residential property customers under no-upfront-investment, multi-year contracts.
- Company typePrivate
- Founded2017
- HeadquartersZürich, Switzerland
- Headcount1–10
- GTM typeB2B
- OfferingServices
What Sundust does
Sundust AG, founded in 2017 and headquartered in Rotkreuz, Switzerland, is a privately held energy contracting platform that plans, finances, installs, and operates renewable energy systems for commercial, industrial, and residential property customers. Its core offering is a no-upfront-investment model across three product lines: Solar-Contracting (photovoltaic systems above 100 kWp), Batterie-Contracting (behind-the-meter battery energy storage paired with PV), and Ladestation-Contracting (EV charging infrastructure, optionally under a subscription/Abo model). These are complemented by service modules covering the planning, registration, billing, and ongoing administration of Swiss energy communities (ZEV, vZEV, LEG), as well as solar electricity delivery to end customers through those community structures.
The underlying technology stack is principally physical infrastructure (PV modules, BESS, EV chargers, metering) combined with administrative software for energy community contract management, registration, and billing; no proprietary AI/ML or software platform is disclosed. Sundust operates an asset-heavy financing model: it owns and operates the installed systems on customer premises and generates revenue through multi-year electricity supply contracts, with customers retaining an option to purchase the systems at any time. Go-to-market combines a consultation-driven direct sales motion targeting commercial real estate, industrial companies, and condominium owner communities with an asset-light channel through three named certified installation partners (Go Smart Solutions, Younergy, Ingene). Capital is sourced via Sundust Financing AG, a wholly owned subsidiary that received its first capital increase in October 2025 alongside a corporate group restructuring, with offerings structured exclusively as private placements to qualified investors.
Sundust firmographics
Firmographics- Name
- Sundust
- Legal name
- Sundust AG
- Website
- https://joinsundust.com
- Company type
- Private
- Founded year
- 2017
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Sundust AG is a Swiss renewable energy contracting platform that finances, installs, and operates solar PV, battery storage, and EV charging systems for commercial, industrial, and residential property customers under no-upfront-investment, multi-year contracts.
- Ownership category
- akta.pro rank
Sundust industry classification
Industry- Product category
- Renewable Energy Contracting
- NAICS
- Solar Electric Power Generation (221114)
- SIC
- Cogeneration Services & Small Power Producers (4991), Services-Miscellaneous Equipment Rental & Leasing (7350)
- akta.pro primary industry
- Solar Financing, Leasing & Ownership Platforms (Tax Equity, PPA, Securitization) (EUAMABAJ)
- akta.pro secondary industries
- Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB), Residential / Behind-the-Meter Storage Installation & Integration (EUAEAEAC)
Keywords
Where Sundust is headquartered
LocationHeadquarters
- HQ city
- Zürich
- HQ country
- Switzerland
- HQ region
- Europe
Offices1 record
Markets served
Sundust business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Infrastructure, Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales
Revenue model
- Solar Contracting: Financing and operating photovoltaic systems at customer locations. Customers benefit from reduced energy costs without upfront investment. Revenue generated through long-term energy supply contracts with option for customers to purchase systems. Minimum system size >100 kWp with high self-consumption (>60%) or electricity distribution via vZEV/LEG.
- Battery Contracting: Financing and operating battery energy storage systems combined with PV installations. Revenue from reduced electricity costs and additional income from grid services.
- EV Charging Station Management: Managing EV charging infrastructure with subscription (Abo) model financing option. Includes billing and administration services.
- Solarstrom-Lieferung (Solar Electricity Delivery): Supplying customers with locally produced solar electricity through formation of vZEV/LEG communities. Revenue from electricity delivery contracts.
- ZEV/LEG Administration Services: Management services for virtual joint self-consumption communities and local electricity communities, including contract management, electricity metering, and billing.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Multi-year contract | No upfront investment required; customers pay for energy supplied |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels6 records
Sundust product offering
Product offeringCore offering
Sundust finances, installs, and operates photovoltaic (PV) systems, battery energy storage systems (BESS), and EV charging infrastructure at customer sites in Switzerland under long-term contracting arrangements, with no upfront investment from customers. It complements these core contracting offerings with service modules for planning and administration of ZEV/vZEV/LEG self-consumption and local electricity communities and for supplying locally produced solar electricity. Customers benefit from reduced energy costs, long-term price stability, measurable CO2 reductions, and an option to purchase the systems during the contract term.
Product overview
Sundust offers a unified contracting platform for commercial and industrial energy solutions, combining three core product lines (Solar-Contracting, Batterie-Contracting, and Ladestation-Contracting) with modular service components. Solar-Contracting provides financing and operation of PV systems; Batterie-Contracting adds battery storage; Ladestation-Contracting manages EV charging infrastructure. These core offerings are supplemented by service modules including ZEV/vZEV/LEG-Planung, vZEV/LEG-Verwaltung, and Solarstrom-Lieferung, which enable energy community formation, administration, and local solar power delivery. The modular architecture allows customers to combine options tailored to their property requirements.
Differentiator
Problem solved
Functional benefit
Products and services
- Solar-Contracting Full-service financing and operation of solar PV systems at customer sites. Sundust finances and operates the installations while customers benefit from long-term reduced energy costs and an option to purchase the solar systems at any time. Targeted at commercial real estate owners, industrial companies, condominium owner communities (STWEG), and social institutions in Switzerland.
- Batterie-Contracting (Battery Energy Storage Contracting) Full-service financing and operation of behind-the-meter battery energy storage systems (BESS) at customer locations, combined with PV installations. Customers benefit from reduced electricity costs and additional revenue generation. Targeted at commercial and industrial property owners in Switzerland.
- Ladestation-Contracting (EV Charging Station Contracting) Provision and management of EV charging infrastructure for electric vehicles, offered via subscription (Abo) model financing or customer-financed arrangements. Sundust handles administration and billing of charging stations. Targeted at commercial, industrial, and residential property owners in Switzerland.
- ZEV/vZEV/LEG-Planung (Energy Community Planning) Planning and implementation services for Swiss energy communities, covering ZEV, vZEV, and LEG projects from contract management and planning through registration and execution. Subsequent ZEV/LEG administration can be handled by Sundust or third parties. Targeted at property owners, developers, and STWEG communities in Switzerland.
- vZEV/LEG-Verwaltung (Energy Community Administration) Ongoing administration of virtual self-consumption communities (vZEV) and local electricity communities (LEG), including contract management, electricity measurement, and billing. Targeted at operators of energy communities in Switzerland.
- Solarstrom-Lieferung (Local Solar Electricity Delivery)
Quantifiable outcome
- 60%+ electricity from solar (example customer achieved 60% of electricity needs from solar installation)
- +3 more outcomes
Companies that use Sundust
Customer profileNamed customers7 records
Segments5 records
Ideal customer profiles5 records
Sundust technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Sundust partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core and minor.
- Go Smart SolutionscoreCertified solar installation partner that handles planning, installation, and maintenance of PV systems. Partner provides customer acquisition and technical execution while Sundust provides financing and operations.
- YounergycoreCertified solar installation partner handling PV system installation and maintenance. Recommends Sundust financing solutions to their customers for projects over 100 kWp.
- IngenecoreCertified installation partner for solar and energy solutions. Works with Sundust on project financing and operations for commercial and industrial installations.
- SWISSOLARminorIndustry association membership demonstrating commitment to Swiss solar industry standards and best practices.
- Switzerland InnovationminorInnovation network membership supporting technology development and innovation in Swiss industry.
Scale indicators6 records
Recent moves6 records
Expansion highlights4 records
Sundust competitors and assessment
Company assessmentDirect peers
- Enpal: Germany's leading solar leasing / Contracting platform for residential and small commercial customers. Direct comparable to Sundust on the no-capex, long-term subscription model — Sundust operates the same archetype in Switzerland and the commercial & industrial segment.
- 1Komma5°: German one-stop-shop for residential solar, heat pumps, and EV charging, offering energy-as-a-service and owning the customer relationship. Closely comparable to Sundust's modular PV + BESS + EV charging contracting model, but at much greater scale and with broader geographic reach.
- Beegy: German solar leasing and energy services platform owned by EnBW, providing turnkey PV systems to homeowners and small businesses on a subscription basis. Direct business model peer to Sundust's Solar-Contracting offering, although focused on the German residential and SMB segment.
- Helion Energy: Swiss solar EPC and energy services provider offering turnkey PV, battery, and e-mobility solutions to residential and commercial customers. Direct Swiss peer to Sundust, competing for the same commercial real estate and industrial customer base.
Emerging players
- Zolar: German online platform for residential solar with integrated financing options. Comparable in offering a customer-facing solar + storage package, but lighter on the long-term asset ownership / operating side that defines Sundust's Contracting model.
- Younergy: Swiss solar installer and energy services company that is both a Sundust channel partner and a partial competitor in commercial PV sales and financing. Overlap in target customer (C&I property owners above 100 kWp) makes it a relevant emerging peer, though smaller and more installer-led.
Broad incumbents
- Energie 360°: Swiss utility and energy services company operating in the Zurich area, providing solar, heat, and e-mobility solutions. Comparable to Sundust in offering turnkey renewable energy and EV charging, but with broader utility infrastructure and balance sheet.
- ewz (Elektrizitätswerk der Stadt Zürich): Zurich municipal utility that finances, owns, and operates large-scale rooftop PV and renewable energy assets for commercial and residential customers. Directly comparable to Sundust in asset ownership and long-term solar supply contracting, but with municipal backing and far larger scale.
- EBL (Genossenschaft Elektra Baselland): Swiss regional utility offering solar, storage, and e-mobility services to commercial and residential customers in northwestern Switzerland. Comparable to Sundust in providing integrated renewable energy and EV charging solutions, with a comparable end-customer profile but utility-scale balance sheet.
- Lichtblick: German energy services and virtual power plant operator that finances and operates distributed residential PV and heating assets under long-term contracts. Direct business model analog to Sundust at much larger scale, with a deeper energy community and grid services overlay.
Market position
Strengths4 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Sundust social profiles
Digital presenceSundust financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sundust leadership team
Management profileNumber of profiles
Profiles6 records
Sundust subsidiaries and ownership
Company hierarchySubsidiaries1 record
Sundust funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sundust 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 Sundust
What does Sundust do?
Sundust finances, installs, and operates photovoltaic (PV) systems, battery energy storage systems (BESS), and EV charging infrastructure at customer sites in Switzerland under long-term contracting arrangements, with no upfront investment from customers. It complements these core contracting offerings with service modules for planning and administration of ZEV/vZEV/LEG self-consumption and local electricity communities and for supplying locally produced solar electricity. Customers benefit from reduced energy costs, long-term price stability, measurable CO2 reductions, and an option to purchase the systems during the contract term.
Is Sundust a public or private company?
Sundust is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Sundust founded?
Sundust was founded in 2017. It employs 1 to 10 people.
Where is Sundust based?
Sundust is headquartered in Zürich, Switzerland, in the Europe region.
How does Sundust make money?
Five revenue lines are on record. Solar Contracting is the primary driver. The others are battery Contracting, EV Charging Station Management, solarstrom-Lieferung (Solar Electricity Delivery) and ZEV/LEG Administration Services.
Who are Sundust's main competitors?
Direct peers on record are Enpal, 1Komma5°, Beegy and Helion Energy. Emerging players are Zolar and Younergy. Broad incumbents are Energie 360°, ewz (Elektrizitätswerk der Stadt Zürich), EBL (Genossenschaft Elektra Baselland) and Lichtblick.
Does Sundust have an API?
No public API is recorded for Sundust.
What industry is Sundust in?
Sundust's product category is Renewable Energy Contracting. Its primary akta.pro industry code is EUAMABAJ, Solar Financing, Leasing & Ownership Platforms (Tax Equity, PPA, Securitization), with a secondary code of EUAMABAB, Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System). Its NAICS code is 221114 and its SIC code is 4991.