3S
- Company typePrivate
- Founded2015
- HeadquartersTirana, Albania
- Headcount51–100
- GTM typeB2B
- OfferingServices
What 3S does
3S Energy is an Albanian solar infrastructure company founded in 2015 in Tirana, building on a 30-year civil-infrastructure legacy. The company provides turnkey engineering, procurement, and construction (EPC/BoS) services plus long-term operations and maintenance (O&M) for utility-scale photovoltaic power plants. It has delivered seven utility-scale projects totaling 95 MWp across Albania and Greece, including the 67 MWp Blue 1 tracker plant (Fier, 2022) and the 29 MWp ESP 1 mountain-terrain plant (Erseka, 2024), with an additional 89 MWp in production pipeline.
The company's core technical offering spans civil works, mechanical mounting systems (fixed-tilt and single-axis trackers from third-party suppliers TrinaTracker and AXIAL), AC/DC electrical infrastructure, CCTV installation, and commissioning. Its execution methodology — treating civil, mechanical, and electrical work as a single coordinated process rather than separate trades — and an owned equipment fleet (pile drivers, drilling rigs, cranes, telehandlers, 4x4 vehicles) underwrite delivery. The firm holds 53 staff at its Tirana headquarters and reports deploying 80–150 skilled workers per construction site, consistent with a contractor-plus-subcontractor labor model at peak execution. Tracker installation procedures are standardized to industrial scale (1,831 units at Blue 1; 800+ units at ESP 1).
Revenue is generated through project-based EPC contracts (utility-scale plus commercial and residential PV installations) recognized on project completion, supplemented by recurring long-term O&M contracts on commissioned plants. Pricing is custom and quote-based, with no published rate card. The primary customer segments are international developers and investors seeking a regional EPC/O&M partner for multi-site utility-scale portfolios, plus commercial and residential PV customers. Go-to-market is direct enterprise sales driven by website project inquiries, with a 92% repeat client rate reported. The company is privately held with no disclosed funding rounds, institutional investors, or valuation data.
3S firmographics
Firmographics- Name
- 3S
- Legal name
- 3S Energy
- Website
- https://3s.al
- Company type
- Private
- Founded year
- 2015
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Ownership category
- akta.pro rank
3S industry classification
Industry- Product category
- Solar EPC and O&M Services
- NAICS
- Solar Electric Power Generation (221114)
- SIC
- Electric Services (4911)
- akta.pro primary industry
- Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)
- akta.pro secondary industries
- Solar PV Power Plant EPC (Utility-Scale) (EUAEAAAG), Solar Balance-of-Plant EPC (Piles/Foundations, Trenching, Combiner Networks) (EUAEADAJ), Renewable Energy Asset O&M (Wind, Solar, Hydro, Geothermal) (EUAEAGAB), Owner’s Engineering, Grid Interconnection & System Studies (PVsyst/Performance Modeling, Protection Studies) (EUACAGAG)
Keywords
Where 3S is headquartered
LocationHeadquarters
- HQ city
- Tirana
- HQ country
- Albania
- HQ region
- Europe
Offices1 record
Markets served
3S business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- EPC/BoS Services: Engineering, Procurement, and Construction (EPC) services for utility-scale solar power plants. Includes preliminary and detailed design, civil works, mounting systems, AC/DC electrical works, CCTV, commissioning, and project management. Revenue recognized on project completion basis.
- Operations & Maintenance (O&M): Ongoing maintenance contracts for solar plants post-commissioning. Includes monitoring, preventive and corrective maintenance, performance evaluation and optimization. Generates recurring revenue from long-term service agreements.
- Commercial & Residential PV Installation: Design and installation of PV systems for businesses and households, from initial layout to switch-on. Revenue recognized upon project completion.
- Engineering & Advisory Consulting: Technical consulting services including feasibility studies, design packages, CAPEX/OPEX assessment, owner's engineering, and technical due diligence for clients who already have contractors in place.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Project-specific custom pricing |
Go-to-market motion2 records
Distribution channels1 record
Marketing channels4 records
3S product offering
Product offeringCore offering
3S Energy provides turnkey Engineering, Procurement, and Construction (EPC) / Balance of System (BoS) services for utility-scale solar photovoltaic power plants, including civil works, mounting systems, tracker installation, AC/DC electrical works, CCTV, and commissioning. The company also delivers ongoing Operations & Maintenance (O&M) services (monitoring, preventive and corrective maintenance, performance optimization), commercial and residential PV system design and installation, and Engineering & Advisory consulting (feasibility studies, design packages, owner's engineering, CAPEX/OPEX assessment, technical due diligence).
Product overview
3S Energy is a solar infrastructure company offering a comprehensive lifecycle service for photovoltaic power plants. The core offerings consist of four integrated services: Utility-Scale Solar EPC/BoS (turnkey delivery of grid-connected PV plants), Commercial & Residential PV Systems (customized solar for businesses and households), Operation & Maintenance (ongoing monitoring, preventive/corrective maintenance, and optimization), and Engineering & Advisory (technical support, feasibility studies, and owner's engineering). The company has delivered major projects including the Blue 1 (67 MWp, 2022) and ESP 1 (29 MWp, 2024) solar parks, with Blue 2 (62 MWp) and Greennat Solar Park (75 MWp) currently under construction. All services are focused exclusively on solar PV infrastructure with no AI or software product components.
Differentiator
Problem solved
Functional benefit
Products and services
- Utility-Scale Solar EPC / BoS Turnkey Engineering, Procurement, and Construction (EPC) and Balance of System (BoS) services for utility-scale ground-mounted PV power plants (typically 20+ MWp). Includes preliminary and detailed design, civil works, mounting systems, tracker installation, AC/DC electrical works, CCTV, commissioning, and project management. Sold to international developers and investors executing multi-site portfolios in the Balkans and EU markets.
- Commercial & Residential PV Installation Design and installation of PV systems for businesses and households, from initial layout to switch-on. Includes customized design, CAPEX optimization and payback analysis, equipment specification and procurement, installation, and full electrical integration with monitoring. Built for predictable savings and long-term reliability.
- Operations & Maintenance (O&M) Ongoing post-COD Operations & Maintenance for solar PV power plants, including monitoring, surveillance, preventive and corrective maintenance, predictive maintenance based on performance data, performance evaluation and optimization, and technical support over the operational life of the plant. Sold under long-term service agreements to plant owners.
- Engineering & Advisory Technical support and consulting services including feasibility and conceptual design, civil and electrical design packages, CAPEX/OPEX assessment, owner's engineering, technical due diligence, and grid-connection coordination for clients who already have EPC contractors in place.
Quantifiable outcome
- 7 utility-scale projects delivered across Albania and Greece, all on time
- +5 more outcomes
Companies that use 3S
Customer profileNamed customers5 records
Segments3 records
Ideal customer profiles3 records
3S technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
3S partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered key supplier.
- AXIAL (Tracker System)key supplierTechnology supplier partnership for tracker systems used in mountainous terrain projects. ESP 1 project utilized AXIAL tracker systems with 800+ trackers installed. 3S installed AXIAL tracker mounting systems as part of their EPC scope.
- TrinaTrackerkey supplierTechnology supplier partnership for tracker systems used in utility-scale solar plants. Blue 1 project utilized TrinaTracker's tracker system with 1,831 trackers installed. 3S developed standardized procedures for ramming, alignment, and assembly of the TrinaTracker system at industrial scale.
Scale indicators8 records
Recent moves7 records
Expansion highlights6 records
3S competitors and assessment
Company assessmentBroad incumbents
- STRABAG: Austrian-based large infrastructure and civil contractor with growing renewable energy EPC capabilities across Central and Southeastern Europe. Direct overlap in solar BoP civil works and EPC delivery in the Balkans, with much greater capital and headcount.
- Acciona Energía: Spanish renewables developer and EPC contractor active across global and European utility-scale solar markets. Overlaps with 3S in utility-scale solar construction services, though Acciona is also a project developer/owner rather than pure EPC.
- Mortenson Construction (Renewable Energy): US-headquartered EPC firm with a major renewable energy division executing hundreds of utility-scale solar and storage projects across North America and Europe. Competes in the same utility-scale solar EPC category, though at materially larger scale and broader geographic footprint.
- Bechtel (Renewable Energy & Storage): Global engineering and construction firm that has expanded into utility-scale solar and storage EPC. Operates as a much larger incumbent across broader geographies; competes for the same large-scale Balkan/EU solar tenders.
Direct peers
- Solarpro Holding: Sofia-based utility-scale solar EPC and O&M provider active across Southeastern Europe including Bulgaria, Romania, and the Balkans. Direct competitor for utility-scale solar projects in overlapping Balkan geographies with similar EPC + O&M service model.
- Swinerton Renewable Energy: US-headquartered solar EPC contractor (now part of Primoris Services) delivering utility-scale PV plants with full lifecycle services. Highly comparable EPC + O&M operating model and tracker deployment experience.
- CJR Renewables: Portuguese-headquartered solar EPC contractor with a strong European project portfolio, including utility-scale PV plants and tracker installations. Comparable in scope (utility-scale solar EPC), technology stack (third-party trackers), and service offering (EPC + O&M).
Emerging players
- Enviromena Power Systems: Renewables EPC contractor with Mediterranean and Greek market presence delivering utility-scale solar projects. Regional competitor in Greek and adjacent markets where 3S has demonstrated cross-border capability.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
3S social profiles
Digital presence3S financial estimates
Financial estimateRevenue estimate
Valuation estimate
3S leadership team
Management profileNumber of profiles
Profiles8 records
3S funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
3S 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 3S
What does 3S do?
3S Energy provides turnkey Engineering, Procurement, and Construction (EPC) / Balance of System (BoS) services for utility-scale solar photovoltaic power plants, including civil works, mounting systems, tracker installation, AC/DC electrical works, CCTV, and commissioning. The company also delivers ongoing Operations & Maintenance (O&M) services (monitoring, preventive and corrective maintenance, performance optimization), commercial and residential PV system design and installation, and Engineering & Advisory consulting (feasibility studies, design packages, owner's engineering, CAPEX/OPEX assessment, technical due diligence).
Is 3S a public or private company?
3S is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was 3S founded?
3S was founded in 2015. It employs 51 to 100 people.
Where is 3S based?
3S is headquartered in Tirana, Albania, in the Europe region.
How does 3S make money?
Four revenue lines are on record. EPC/BoS Services are the primary driver. The others are operations & Maintenance (O&M), commercial & Residential PV Installation and engineering & Advisory Consulting.
Who are 3S's main competitors?
Broad incumbents on record are STRABAG, Acciona Energía, Mortenson Construction (Renewable Energy) and Bechtel (Renewable Energy & Storage). Direct peers are Solarpro Holding, Swinerton Renewable Energy and CJR Renewables. Enviromena Power Systems is listed as an emerging player.
Does 3S have an API?
No public API is recorded for 3S.
What industry is 3S in?
3S's product category is Solar EPC and O&M Services. Its primary akta.pro industry code is EUAMABAB, Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System), with a secondary code of EUAEAAAG, Solar PV Power Plant EPC (Utility-Scale). Its NAICS code is 221114 and its SIC code is 4911.