Coelmo Spa
Coelmo Spa is an Italian manufacturer founded in 1946 that designs and produces diesel and gas generator sets (3-4500 kVA), marine generators, cogeneration systems, battery energy storage, and synchronous compensators for enterprise, government, and infrastructure customers worldwide.
- Company typePrivate
- Founded1946
- HeadquartersAcerra, Italy
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What Coelmo Spa does
Coelmo Spa is an Italian manufacturer of power generation equipment, founded in 1946 and headquartered in Acerra, Italy, operating three production facilities totaling 50,000 square meters. The company designs and builds diesel and gas-powered generating sets from 3 to 4500 kVA for industrial applications and 3 to 2000 kVA for marine use, alongside cogeneration/trigeneration systems (20-4000 kWe) equipped with BUHKE technology, HDP BESS battery energy storage with integrated Energy Management Systems, SyncMaster modular synchronous compensators for grid stability, Stage V compliant mobile generating sets, and light towers. Specialty products include data center generators meeting Uptime Institute Tier III/IV standards and marine generators with seawater cooling and intelligent onboard energy management.
The company sells primarily through a quotation-based direct sales motion targeting enterprise and government customers, supported by a global authorized distributor and service network across Africa, Asia, Europe, America, and Oceania. Revenue streams include industrial generator set sales, marine generator sales, Power Rent rental services (30-2000 kVA), service and maintenance contracts, cogeneration system sales, and BESS sales. Notable customers span oil & gas (Egypt, Iraq, Italy, Poland), data centers (multiple Italian facilities), healthcare (Pozzuoli hospital), defense (Italian Air Force, Kosovo base), large infrastructure (Lusail metro Qatar, Mozambique dam, UK waste-to-energy), and humanitarian projects. Coelmo also holds exclusive Italian distribution rights for Wabtec products and has earned a portfolio of ISO certifications covering quality, environment, safety, and social responsibility.
Coelmo Spa firmographics
Firmographics- Name
- Coelmo Spa
- Legal name
- Gruppi Elettrogeni Coelmo Spa
- Website
- https://coelmo.it
- Company type
- Private
- Founded year
- 1946
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Coelmo Spa is an Italian manufacturer founded in 1946 that designs and produces diesel and gas generator sets (3-4500 kVA), marine generators, cogeneration systems, battery energy storage, and synchronous compensators for enterprise, government, and infrastructure customers worldwide.
- Ownership category
- akta.pro rank
Coelmo Spa industry classification
Industry- Product category
- Power Generation Equipment
- NAICS
- Turbine and Turbine Generator Set Units Manufacturing (333611), Engine, Turbine, and Power Transmission Equipment Manufacturing (3336), Electric Power Generation (22111)
- SIC
- Motors & Generators (3621), Engines & Turbines (3510), Cogeneration Services & Small Power Producers (4991)
- akta.pro primary industry
- Reactive Power & Power Quality Equipment (Capacitor Banks, Reactors, STATCOM/SVC, Harmonic Filters) (IMAGAAAG)
- akta.pro secondary industries
- FACTS / Reactive Power & Power Quality Systems EPC (SVC/STATCOM, Capacitor Banks) (EUAEABAE), High-Voltage Electrical Systems (Switchgear, Transformers, Protection & Control) (EUAEAFAA)
Keywords
Where Coelmo Spa is headquartered
LocationHeadquarters
- HQ city
- Acerra
- HQ country
- Italy
- HQ region
- Europe
Offices1 record
Markets served
Coelmo Spa business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Generator Set Sales (Industrial): Sale of diesel and gas-powered industrial generating sets from 3 to 4500 kVA, including stationary, super silent, and mobile models. Direct sales approach with quotation-based pricing.
- Marine Generator Sales: Sale of marine generators from 3 to 2000 kVA for leisure and commercial marine applications.
- Power Rent (Rental Services): Rental division offering generating sets from 30 to 2000 kVA for immediate deployment, including short-term rentals. Serves events, construction sites, emergency response, and temporary power needs.
- Service, Maintenance & Spare Parts: Technical assistance, preventive maintenance, 24/7 support, commissioning, start-up services, and spare parts supply through a global network of authorized distributors and service centers.
- Cogeneratori (Cogeneration Systems): Sale and service of cogeneration (CHP) and trigeneration (CCHP) systems from 20 to 4000 kWe, equipped with BUHKE technology. Covers small (20-200 kWe), medium (200-500 kWe), and large (600-4000 kWe) cogeneration.
- BESS and Energy Storage Systems: Sale of HDP BESS (High Density Power Battery Energy Storage Systems) for single-phase and three-phase applications, operating standalone or hybrid with generator sets and renewables.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Multi-year contract | Industrial Generating Sets 3-4500 kVA |
| One time/ perpetual license | Multi-year contract | Marine Generators 3-2000 kVA |
| Unit Pricing | Pay-as-you-go | Power Rent Rental Units 30-2000 kVA |
Go-to-market motion1 record
Distribution channels5 records
Marketing channels7 records
Coelmo Spa product offering
Product offeringCore offering
Coelmo Spa manufactures and sells diesel and gas-powered generator sets (3-4,500 kVA industrial; 3-2,000 kVA marine), HDP BESS battery energy storage systems with integrated Energy Management System, cogeneration/trigeneration systems (20-4,000 kWe) equipped with BUHKE technology, SyncMaster synchronous compensators for grid stability, Stage V-compliant mobile units, and light towers. The company also operates the Power Rent rental division (30-2,000 kVA) and provides 24/7 technical service, commissioning, and spare parts through a global distributor network.
Product overview
Coelmo Spa is an Italian manufacturer of power generation equipment founded in 1946, operating from three production facilities in Acerra covering 50,000 square meters. The company produces a comprehensive portfolio of generator sets and energy systems: stationary diesel generators (3-4500 kVA), Super Silent sound-attenuated models (15-800 kVA), Stage V compliant mobile units (15-500 kVA), marine generators (3-2000 kVA), BUHKE cogenerators/CHP systems (20-2000 kWe), HDP BESS battery energy storage systems, SYNCMASTER synchronous compensators for power quality, and mobile light towers. The products serve diverse applications including residential, commercial, industrial, data centers, oil & gas, telecommunications, infrastructure, military, humanitarian, marine, and rental markets. Coelmo operates as the exclusive distributor of Wabtec in Italy.
Differentiator
Problem solved
Functional benefit
Products and services
- Stationary Generating Sets (Gruppi Elettrogeni Stazionari) Diesel-powered stationary generator sets with a power range from 3 to 4,500 kVA, designed for professional industrial applications with various customization options. Serves enterprises across data centers, oil & gas, manufacturing, infrastructure, and utilities.
- Super Silent Generating Sets (Gruppi Elettrogeni Super Silent) Sound-attenuated generator sets with acoustic technology, power range from 15 to 800 kVA, featuring noise levels as low as 55 dB(A) at 7 meters. Designed for noise-sensitive environments such as residential areas, hospitals, and urban installations.
- Stage V Mobile Generating Sets (Gruppi Elettrogeni Mobili Stage V) Mobile generator sets compliant with EU Regulation 2016/1628 for non-road mobile machinery, Stage V emissions standard, with a power range from 15 to 500 kVA. Designed for construction sites, events, rental applications, and mobile deployment scenarios.
- Cogenerators / Combined Heat and Power (Cogeneratori/CHP) Combined Heat and Power (CHP) and trigeneration (CCHP) systems for simultaneous production of electrical and thermal energy, equipped with proprietary BUHKE technology, with a power range from 20 to 4,000 kWe. Serves hospitals, swimming pools, shopping centers, food industry, refineries, chemical/pharmaceutical, ceramics, textiles, and plastics sectors.
- HDP Battery Energy Storage Systems (HDP BESS) High Density Power battery energy storage systems for energy storage and distribution, featuring LFP batteries with up to 6,000 cycles at 95% depth of discharge. Can operate standalone or combined with generator sets and renewable energy sources. Single-phase models 3-15 kW; three-phase models 9-45 kW continuous output. Designed for hybrid power, grid booster, power continuity, island sustainable power, smart grid, and silent zero-emission modes.
- Light Towers (Torri Faro) Mobile and fixed light towers for construction sites and various environments, featuring telescopic masts up to 12 meters, with LED, halogen, or metal halide lamp options. Serves construction, events, emergency response, and infrastructure projects.
- Synchronous Compensators (SyncMaster) Modular synchronous compensator systems providing dynamic voltage support, grid inertia, and fault current capacity for power quality management. Available as standalone turnkey units (2-80 MVAR) and containerized plug-and-play systems (1-6 MVAR). Supports transmission networks, microgrids, renewable energy integration, and industrial applications.
- Marine Generators (Generatori Marini) Marine generator sets from 3 to 2,000 kVA, featuring seawater-cooled engines, water-to-water or water-to-air heat exchangers, aluminum alloy sound-shielded enclosures, Fidio analog and EOS digital control panels, and Integra intelligent onboard energy management integration. Serves both leisure boating and commercial marine applications.
- Power Rent (Rental Generator Service) Rental power solutions through the COELMO Power Rent division, offering generator sets from 30 to 2,000 kVA for short-term and long-term rental. Serves events, construction sites, emergency response, and temporary power needs with immediate availability.
Quantifiable outcome
- Super Silent generators achieve 55 dB(A) at 7 meters for models up to 200 kVA
- +4 more outcomes
Companies that use Coelmo Spa
Customer profileNamed customers17 records
Segments13 records
Ideal customer profiles6 records
Coelmo Spa technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Coelmo Spa partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- WabteccoreCOELMO is the exclusive distributor of Wabtec products in Italy. This partnership positions Coelmo as Wabtec's exclusive channel partner for the Italian market, extending Coelmo's product portfolio to include Wabtec's power generation and rail-related solutions.
Scale indicators7 records
Recent moves6 records
Expansion highlights5 records
Coelmo Spa competitors and assessment
Company assessmentDirect peers
- Pramac: Italian-headquartered manufacturer of generators and power equipment (now part of Generac), historically a direct competitor to Coelmo in European industrial, residential, and light-commercial gensets with overlapping product ranges and distribution.
- Himoinsa (Yanmar): Spanish manufacturer of diesel and gas generator sets, BESS hybrid power solutions, and light towers serving data center, rental, telecom, and industrial verticals — directly comparable product mix and customer base to Coelmo.
- SDMO (Kohler): French generator manufacturer (Kohler group) producing industrial and residential gensets from small to multi-MW, with strong European service network — direct competitor to Coelmo in European genset market.
- GenSet: Italian manufacturer of diesel generator sets and engine-driven power solutions, similar size and domestic-market profile to Coelmo, with overlapping product positioning in Italian and European industrial gensets.
- Mase Generators: Italian marine and industrial generator manufacturer specializing in compact, sound-shielded marine gensets — directly comparable to Coelmo's marine generator line (3-2000 kVA) with seawater cooling and noise-attenuated enclosures.
Broad incumbents
- Caterpillar (CAT Electric Power): Global incumbent offering diesel and gas generator sets, BESS, and microgrid solutions across industrial, data center, and utility customers at much larger scale; competes with Coelmo for large enterprise and data center backup tenders.
- Cummins: Diversified global power solutions provider with industrial gensets, BESS (SureSource), and microgrid offerings serving data center, healthcare, and industrial customers — broad incumbent competing with Coelmo's mid-to-large kVA range.
- Generac: Largest US-based generator manufacturer with industrial, commercial, residential, and now BESS offerings (including Pramac); competes with Coelmo across commercial/industrial gensets and increasingly in hybrid storage solutions.
- Rolls-Royce Power Systems (MTU): Rolls-Royce-owned supplier of mtu-brand diesel and gas gensets and battery energy storage solutions for data centers, utilities, and mission-critical applications — directly competes with Coelmo's DCP line and large-kVA industrial gensets.
Regional players
- Aksa Power Generation: Turkish generator manufacturer with broad diesel/gas genset portfolio serving EMEA and emerging markets — comparable product breadth and competing for similar industrial, rental, and infrastructure projects in Mediterranean and MEA regions.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Coelmo Spa social profiles
Digital presenceCoelmo Spa financial estimates
Financial estimateRevenue estimate
Valuation estimate
Coelmo Spa leadership team
Management profileNumber of profiles
Coelmo Spa funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Coelmo Spa 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 Coelmo Spa
What does Coelmo Spa do?
Coelmo Spa manufactures and sells diesel and gas-powered generator sets (3-4,500 kVA industrial; 3-2,000 kVA marine), HDP BESS battery energy storage systems with integrated Energy Management System, cogeneration/trigeneration systems (20-4,000 kWe) equipped with BUHKE technology, SyncMaster synchronous compensators for grid stability, Stage V-compliant mobile units, and light towers. The company also operates the Power Rent rental division (30-2,000 kVA) and provides 24/7 technical service, commissioning, and spare parts through a global distributor network.
Is Coelmo Spa a public or private company?
Coelmo Spa is a private company. It is classified as unknown and is currently operating.
When was Coelmo Spa founded?
Coelmo Spa was founded in 1946. It employs 51 to 100 people.
Where is Coelmo Spa based?
Coelmo Spa is headquartered in Acerra, Italy, in the Europe region.
How does Coelmo Spa make money?
Six revenue lines are on record. Generator Set Sales (Industrial) is the primary driver. The others are marine Generator Sales, power Rent (Rental Services), service, Maintenance & Spare Parts, cogeneratori (Cogeneration Systems) and BESS and Energy Storage Systems.
Who are Coelmo Spa's main competitors?
Direct peers on record are Pramac, Himoinsa (Yanmar), SDMO (Kohler), GenSet and Mase Generators. Broad incumbents are Caterpillar (CAT Electric Power), Cummins, Generac and Rolls-Royce Power Systems (MTU). Aksa Power Generation is listed as a regional player.
Does Coelmo Spa have an API?
No public API is recorded for Coelmo Spa.
What industry is Coelmo Spa in?
Coelmo Spa's product category is Power Generation Equipment. Its primary akta.pro industry code is IMAGAAAG, Reactive Power & Power Quality Equipment (Capacitor Banks, Reactors, STATCOM/SVC, Harmonic Filters), with a secondary code of EUAEABAE, FACTS / Reactive Power & Power Quality Systems EPC (SVC/STATCOM, Capacitor Banks). Its NAICS code is 333611 and its SIC code is 3621.