What Sesol does

Sesol is a Sweden-based total solutions provider of residential and small-commercial solar energy systems, operating under the Soltech Home brand within the Soltech group. Founded in 2016 and headquartered in Jönköping, the company sells and installs an integrated stack of solar panels (Solpaneler), solar batteries (Solcellsbatterier) from Polarium, inverters from Huawei, EV charging boxes from Zaptec, and CheckWatt smart energy monitoring services, supplemented by Wattif EV charging infrastructure. It targets two primary customer segments: residential homeowners (villa) and agricultural property owners (lantbruk), with secondary exposure to EV owners seeking integrated home charging. The technology base is conventional PV hardware integrated into a single bundled offering rather than proprietary core technology; the principal proprietary element is a custom aluminum scaffolding system co-developed with Monzon for safer, lighter villa installations.

The business model is predominantly one-time project revenue from equipment sale and certified installation, augmented by a modest recurring layer from 48-month installment financing, smart-meter monitoring subscriptions, and ongoing support services. Sesol runs a sales-led go-to-market with free in-home, video, and phone consultations, multi-city local offices across Sweden, website-based quote requests, a Hammarby IF co-marketing channel, and a customer referral program. Pricing is bespoke per property assessment with no public list prices.

Ownership and trajectory: Sesol was wholly owned by Nordic Capital prior to July 4, 2025, when Soltech Energy agreed to acquire 100% of the company, with Nordic Capital rolling into approximately 30% of the combined Soltech entity (pending regulatory and shareholder approvals). The company operates in Sweden and Norway, employs between 1,001 and 5,000 people, and reports no publicly disclosed revenue, funding rounds, or AI/ML capabilities in the available source material.

Name

Sesol

Legal name

Sesol

Website

https://sesol.se

Company type

Private

Founded year

2016

Operating status

Operating

Headcount range

1,001–5,000 employees

Ownership category

akta.pro rank

Product category

Residential Solar Energy Systems

NAICS

Solar Electric Power Generation (221114)

SIC

Cogeneration Services & Small Power Producers (4991), Switchgear & Switchboard Apparatus (3613), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Renewable Distributed Generation (Rooftop/Onsite Solar, Small Wind, Small Hydro) (EUACALAJ)

akta.pro secondary industry

Solar Roofing & Roof-Mounted PV Systems (IMADAFAO)

Keywords

• Solar panel installation
• Residential solar systems
• Battery energy storage
• EV charging solutions
• Solar energy services

Headquarters

HQ city

Jönköping

HQ country

Sweden

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. Solar Panel Sales and Installation: Complete solar panel systems for residential villas and agricultural properties, including consultation, supply, and professional installation
2. Battery Storage Systems: Solar cell batteries for energy storage, enabling households to store excess solar energy for later use
3. EV Charging Stations: Charging boxes for electric vehicles, both as standalone products and integrated with solar panel systems
4. Financing Services: Installment payment options allowing customers to pay over time (e.g., 48-month payment plans with setup fees)
5. Smart Meter and Monitoring Services: Smart measurement devices and monitoring applications for tracking energy production and consumption
6. Support Services: Customer support, maintenance guidance, and operational support for installed systems

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Sesol designs, supplies, and installs complete solar energy systems for residential villas and agricultural properties in Sweden and Norway. The offering bundles photovoltaic solar panels, battery storage, inverters, EV charging boxes, and smart energy monitoring into a single project that is sold through free home consultation, custom quotation, professional installation by certified electricians, and optional installment financing.

Product overview

Sesol is a total solutions provider of solar panels and EV charging stations for the Nordic market, offering both residential (villa) and agricultural (lantbruk) segments. The product portfolio is a unified offering built around the core solar energy system: solar panels (Solpaneler) for electricity generation, solar batteries (Solcellsbatterier) for energy storage, inverters (Växelriktare) for DC-to-AC conversion, EV charging boxes (Laddboxar) for electric vehicle charging, and CheckWatt smart energy management services. Financing options are offered as an add-on module to enable customer purchase. The company controls the full process from consultation through installation and after-sales support.

Differentiator

Problem solved

Functional benefit

Products and services

• Solar Panels (Solpaneler) Photovoltaic solar panels (monocrystalline and polycrystalline options) supplied and installed on residential villas and agricultural properties across Sweden, converting sunlight into grid-useable electricity and backed by a 30-year product guarantee.
• Solar Batteries (Solcellsbatterier) Battery storage systems (Polarium HomeBattery) that store excess solar electricity generated by the rooftop system for later household use, enabling peak shaving and energy independence.
• EV Charging Boxes (Laddboxar) Electric vehicle charging stations (Zaptec Go and Wattif-supplied models) installed at customer homes, sold standalone or integrated with the solar panel system to enable solar-powered EV charging.
• Inverters (Växelriktare) Huawei DC-to-AC inverters that convert direct current produced by the solar panels into alternating current for household and grid use, with built-in WiFi connectivity for remote monitoring.
• CheckWatt Smart Energy Services (Stödtjänster) Subscription-based smart energy management and monitoring services (powered by CheckWatt) for customers who want to optimize solar energy usage, track production and consumption, and manage peak power.
• Solar Panel Financing (Finansiering) Installment-payment financing solutions — including a 48-month installment plan with credit check — that allow customers to spread the cost of a Sesol solar system over time rather than paying upfront.

Quantifiable outcome

• 45gCO2-ekv/kWh carbon footprint
• +1 more outcomes

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Nine partnerships are on record, tiered flagship and core.

• Hammarby IFflagshipGTM or Marketing Partner · 1 January 2021Long-term sponsorship partnership with Hammarby IF since 2021, entering 5th year in 2025. Private customers donate 2% to Hammarby, business customers donate 5% to Blåljusmatchen initiative. Provides exclusive offers for club members including discounted solar installations.
• Svensk SolenergicoreGTM or Marketing PartnerIndustry association membership in Svensk Solenergi (Swedish Solar Energy Association), demonstrating commitment to the solar energy industry and adherence to industry standards.
• WattifcoreTechnology or IntegrationPartnership for EV charging solutions (laddboxar). Wattif provides charging infrastructure while Sesol handles installation and customer relationships. Binding periods and contracts between Wattif and customers.
• CheckWattcoreTechnology or IntegrationSupport services for energy management. CheckWatt provides smart energy services including energy storage optimization and peak power management for customers.
• PolariumcoreTechnology or IntegrationBattery storage provider offering Polarium HomeBattery products. Sesol integrates these batteries into their solar solutions for energy storage capabilities.
• ZapteccoreTechnology or IntegrationEV charging box manufacturer. Zaptec provides charging solutions (Zaptec Go model) which Sesol installs for customers as part of their solar and EV charging offerings.
• HuaweicoreTechnology or IntegrationInverter provider for solar panel systems. Huawei inverters are used in Sesol installations with WiFi connectivity for system monitoring and data tracking.
• MonzoncoreStrategic or Co-development PartnerCo-development of specialized aluminum scaffolding for villa solar panel installations. The resulting product is more than half the weight of standard steel scaffolding, improving safety and ergonomics for installers.
• Soltech EnergyflagshipOthersParent company of Sesol (operated as Soltech Home brand). In July 2025, Soltech Energy acquired 100% of Sesol shares from Nordic Capital as part of solar energy industry consolidation.

Scale indicators2 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Fortum: Nordic integrated energy utility with growing residential solar offerings (acquired solar installer). While primarily generation-focused, Fortum increasingly targets the same homeowner segment with bundled solar/storage products.
• Vattenfall: Swedish state-owned integrated energy utility offering residential solar and battery solutions ('Vattenfall Sol') across multiple European markets; broader incumbent with significant brand and balance-sheet advantages versus Sesol.
• E.ON Sverige: Large integrated utility (subsidiary of German E.ON) selling residential solar, batteries, and EV chargers in the Swedish market alongside electricity supply — competes for the same homeowner funnel but as part of a much broader portfolio of services.

Direct peers

• Otovo: Norway-headquartered, Oslo Børs-listed residential solar subscription/leasing provider; one of Sesol's main Nordic competitors with an asset-light digital-first model focused on homeowners across Sweden, Norway, France, and other European markets.
• Svea Solar: Swedish residential and commercial solar installer offering panels, batteries, and EV chargers with home-visit sales. Note: Sesol's quote flow is actually rerouted to sveasolar.se, indicating they share operational infrastructure — making Svea Solar a near-perfect direct competitor in the same Nordic rooftop market.
• Solkompaniet: Swedish residential and commercial solar installer with overlapping rooftop-PV-and-battery offerings and similar mid-market positioning to Sesol across Sweden. Comparable operating model and product mix.

Emerging players

• SunRoof: Sweden-based company developing integrated solar roofs (PV tiles), offering full rooftop solutions for homeowners. Competes with Sesol on residential roof-top solar, but with proprietary integrated roofing rather than panel-on-roof mount.

Others

• Zaptec: Norwegian EV charging hardware manufacturer partnering with Sesol; an enabling ecosystem company whose residential chargers are sold and installed by Sesol across the Nordics.
• Soltech Energy: Sesol's publicly listed parent company post the July 2025 acquisition; operates in commercial/utility-scale solar and EV charging. Highly comparable technology, customer-adjacent offerings, and overlapping leadership — relevant as the consolidator/acquirer rather than a pure competitor.
• CheckWatt: Swedish energy services and battery-optimization software provider already integrated into Sesol's offering. Serves as an enabling technology partner to multiple installers, including Sesol, providing smart-meter/peak-shaving services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/Sesol.se
• LinkedInlinkedin.com/company/sesol

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sesol