Orefice Generators

What Orefice Generators does

Orefice Generators (legal entity: Orefice Powergen S.r.l.) is a privately held, family-owned Italian manufacturer of power generation equipment founded in 1947, with family heritage in electromechanics dating to the 1930s. The company operates from a manufacturing facility in San Sperate, Sardinia (with a registered office in Sestu), positioned near the industrial port of Cagliari, and runs with a lean headcount of 15 employees. Its core product is sound-attenuated diesel generator sets spanning 2.2 kVA to 3,000 kVA, organized into four families: Silengen (ultra-low-noise, <55 dB(A) at 7 m), Tesla (wide-range 9–2,200 kVA), Wattfast (compact professional 2.2–15 kVA), and Volta (cost-effective 9–60 kVA). All enclosures are internally designed acoustic canopies backed by 30+ years of proprietary R&D, and engines/alternators are sourced from major OEMs including Perkins, FPT, Yanmar, Doosan, MWM, and Stamford.

The business model combines one-time capital equipment sales, usage-based generator rental (3–2,000 kVA in Sardinia with 24-hour delivery), subscription-style maintenance contracts in three tiers (Basic, Standard, Full), and multi-brand spare parts. Complementary product lines include CHP cogeneration systems (up to 90% efficiency), the Vitacell15 modular battery energy storage system (BESS) for backup and PV self-consumption, and certified pre-owned generators. All pricing is quote-based with no public list prices. End markets span 20+ sectors including hospitals, data centers, telecom, military, mining, agriculture, events, airports, and public administration, with named customers such as the German Navy, Italian Air Force, INAF (Italian National Institute for Astrophysics), Vigili del Fuoco (Romania), Eredi Manghina, and IN.E.CO.

The go-to-market blends direct enterprise sales in Italy (with 24-hour quote turnaround and on-site technical sizing) with an authorized distributor network covering 30+ countries across Southern Europe, North Africa, Sub-Saharan Africa, and the Middle East. Distribution is supported by content marketing (blog, Instagram), trade shows, and company-hosted events such as Orefice PowerDay 2025. The company's structural attributes are an established "Made in Italy" brand, a 10,000+ machine installed base, mission-critical certifications (EU Directive 2000/14/EC for Silengen), and 24/7 technical support with a 2–4 hour emergency response in Sardinia. There are no disclosed funding rounds, M&A, public listing, or external institutional investors.

Name

Orefice Generators

Legal name

Orefice Powergen S.r.l.

Website

https://oreficegenerators.com

Company type

Private

Founded year

1947

Operating status

Operating

Headcount range

11–50 employees

Short description

Orefice Generators is a family-owned Italian manufacturer of sound-attenuated diesel generator sets (2.2–3,000 kVA), modular battery energy storage, and CHP cogeneration. Founded in 1947 in Sardinia, it serves mission-critical customers across hospitals, data centers, telecom, defense, and 30+ countries.

Ownership category

akta.pro rank

Product category

Power Generation Equipment

NAICS

Engine, Turbine, and Power Transmission Equipment Manufacturing (3336)

SIC

Motors & Generators (3621), Engines & Turbines (3510)

akta.pro primary industry

Reciprocating Engine Generator Sets (Diesel/Gas/HFO) (IMAHAFAC)

akta.pro secondary industries

Emergency & Standby Diesel Generator Power (Critical Facilities) (EUACACAH), Diesel Engine Power Plants (Medium/High-Speed Reciprocating) (EUACACAB)

Keywords

• Diesel generator sets
• Cogeneration systems
• Battery energy storage
• Power generation equipment
• Sound attenuated enclosures

Headquarters

HQ city

Sestu

HQ country

Italy

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Generator Sales (New): Sale of new diesel generator sets across four product families (Silengen, Tesla, Wattfast, Volta) with power ranges from 2.2 kVA to 3000 kVA. One-time capital purchase model with custom engineering options.
2. Generator Rental: Short and medium-term rental of generator sets from 3 to 2000 kVA in Sardinia with 24h delivery, maintenance, and technical assistance included.
3. Service and Maintenance Contracts: Scheduled maintenance programs (Basic: annual visit; Standard: bi-annual with oil/filters; Full: quarterly with spare parts and 24/7 emergency response). Also includes remote support and uptime guarantees.
4. Spare Parts: Original spare parts for multi-brand generator support. Multi-brand compatibility for engines and alternators from Perkins, FPT, Yanmar, Doosan, MWM, Baudouin, Mecc Alte, Stamford, Leroy Somer.
5. Cogeneratori (CHP): Combined heat and power systems delivering up to 90% efficiency. Cogeneration units produce simultaneous electrical and thermal energy.
6. Used/Certified Pre-Owned Generators: Sale of refurbished generator sets with warranty, including models from Perkins, Volvo, Caterpillar, Cummins, John Deere, Mitsubishi.
7. BESS (Battery Energy Storage Systems): Vitacell15 modular storage systems for backup, photovoltaic self-consumption, and peak shaving applications.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Orefice Generatori designs, manufactures, and sells sound-attenuated diesel generator sets ranging from 2.2 kVA to 3,000 kVA, cogeneration/CHP systems, and battery energy storage systems (BESS). The company also provides custom engineering solutions, certified pre-owned generators, generator rental services, and scheduled maintenance contracts to mission-critical facilities and industrial operators.

Product overview

Orefice Generators is an Italian manufacturer of power generation equipment headquartered in San Sperate, Sardinia, with over 75 years of family heritage dating to the 1930s. Its core product portfolio consists of four sub-brand diesel generator families: the ultra-quiet Silengen (9–200 kVA), the wide-range Tesla (9–2200 kVA), the professional compact Wattfast (2.2–15 kVA), and the cost-effective Volta (9–60 kVA). These are complemented by the Vitacell15 BESS (battery energy storage), CHP cogeneration systems, certified pre-owned generators, generator rental (3–2000 kVA), scheduled maintenance contracts (Basic, Standard, Full tiers), and custom engineering for mission-critical applications. All products are designed and manufactured in Sardinia (100% Made in Italy), with sound-attenuated enclosures as a core differentiator across the range.

Differentiator

Problem solved

Functional benefit

Products and services

• Silengen Series

Quantifiable outcome

• Noise levels as low as <55 dB(A) at 7 meters (Silengen series)
• +3 more outcomes

Named customers6 records

Segments13 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Distributor Network (Europe, Africa, Middle East)coreChannel Partner/ Reseller/ DistributorAuthorized distributor network covering 30+ countries across Europe (Italy, France, Spain, Portugal, Greece, Malta, Romania), North Africa (Morocco, Tunisia, Algeria, Egypt, Libya), Sub-Saharan Africa (Senegal, Côte d'Ivoire, Cameroon, Nigeria, Kenya), and Middle East (UAE, Saudi Arabia, Jordan, Lebanon). Distributors resell and support Orefice generator products in their respective territories.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Himoinsa: Spanish manufacturer of diesel and gas generator sets, BESS, and hybrid power solutions serving telecom, data centers, mining, and events — a direct mid-market competitor with overlapping product families and international distribution.
• SDMO (Kohler SDMO): France-based generator manufacturer (now part of Kohler) producing standby and prime gensets across residential, commercial, and industrial segments — comparable mid-to-large market positioning and EU distribution overlap.
• Pramac: Italian-headquartered manufacturer of generators and power solutions with a comparable product portfolio (diesel/gas gensets, BESS, mobile power) and a similar mid-market positioning across industrial, data center, and rental applications.
• Aksa Power Generation: Turkey-based manufacturer of diesel generator sets across similar power ranges, with comparable custom-engineering capability for telecom, data centers, and industrial customers, and broad emerging-market distribution.
• FG Wilson: Caterpillar-owned generator set brand covering 6.8–2,500 kVA diesel and gas units, targeting the same telecom, data center, commercial, and industrial standby customers that Orefice serves.

Broad incumbents

• Cummins: Global leader in diesel and natural gas generator sets with full vertical integration in engines and alternators; competes across virtually every segment Orefice serves but at significantly larger scale.
• Caterpillar Electric Power: Global incumbent with a comprehensive generator set portfolio (through CAT and FG Wilson brands), extensive service network, and deep presence in data center, industrial, and utility backup applications.
• Generac Holdings: US-based leader in backup power generation, dominant in residential and light-commercial standby; broader portfolio and scale, with growing presence in industrial and clean energy storage segments adjacent to Orefice.
• MTU/Rolls-Royce Power Systems: Premium global manufacturer of diesel and gas gensets (1–3,250 kVA) and integrated power systems for data centers, hospitals, and mission-critical infrastructure — premium incumbent comparable to Orefice's high-spec use cases.
• Atlas Copco Power Solutions: Global incumbent offering mobile and stationary generators, BESS, and hybrid power solutions across industrial and rental applications — broader portfolio and global scale but overlapping in target use cases.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Instagraminstagram.com/oreficegenerators
• LinkedInlinkedin.com/company/orefice-s-r-l

Compliance1 record

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 Orefice Generators