What Spilling Technologies does

Spilling Technologies (legal entity Spilling Project Partner GmbH & Co.KG) is a Hamburg-based, privately held German manufacturer of modular steam and gas-expansion machinery founded in 1890 as a marine engineering business. The company designs and builds four core product lines — piston steam engines (from 100 kW), steam turbines, piston-type steam compressors that double as industrial high-temperature heat pumps (COP above 10, recovering up to 15x the input electricity as usable steam heat), and natural-gas expansion motors that convert pressure differential in gas transmission networks into electricity — covering a total output range of roughly 100 to 2,500 kW. These machines enable industrial combined heat and power, biomass-fired power, waste-heat recovery, steam recycling, and gas-pressure utilization for energy-intensive industries (paper, chemical, food, steel, hazardous waste incineration) and municipal utilities.

The business model is project-based and engineering-led: each plant is custom-configured to customer steam/gas conditions, with revenue generated on one-time equipment sales plus professional services for engineering, installation, commissioning, and lifecycle after-sales (spare parts, maintenance contracts, telemetry-based remote monitoring, and PLC retrofits). Pricing is project-specific and not publicly disclosed; reference case studies show total project investments of €1.0-€4.5M and customer paybacks of 2-5.5 years. The go-to-market is direct enterprise sales via web/PDF inquiry forms, supported by editorial content marketing, German and English-language trade press, and selective trade-fair and award-led positioning (e.g., Handelsblatt Energy Award finalist, 2021). The company reports active installed-base delivery in over 50 countries since 1950 and maintains a small headcount of 11-50 employees, consistent with a focused specialty engineering firm.

Name

Spilling Technologies

Legal name

Spilling Project Partner GmbH & Co.KG

Website

https://spilling.de

Company type

Private

Founded year

1890

Operating status

Operating

Headcount range

11–50 employees

Short description

Spilling Technologies is a Hamburg-based manufacturer, founded in 1890, of modular steam engines, turbines, steam-compressor heat pumps, and gas expansion motors (100-2,500 kW) that serve industrial plants and municipal utilities with decentralized power generation, waste-heat recovery, and process-steam recycling.

Ownership category

akta.pro rank

Product category

Industrial steam and gas expansion machinery for decentralized energy

NAICS

Engine, Turbine, and Power Transmission Equipment Manufacturing (3336), Pump and Compressor Manufacturing (33391)

SIC

Engines & Turbines (3510), Pumps & Pumping Equipment (3561)

akta.pro primary industry

Steam Turbines & Turbogenerators (IMAHAFAB)

akta.pro secondary industries

Pump & Compressor Packages (Skids, Booster Sets) (IMAHANAG), Gas-Fired Steam Turbine (Boiler-Fired) Generation (EUACABAF)

Keywords

• Steam engine manufacturing
• Steam turbine manufacturing
• Industrial steam compressors
• Gas expansion engines
• Decentralized energy generation

Headquarters

HQ city

Hamburg

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Customized Industrial Equipment and Plant Sales: Spilling designs and manufactures bespoke steam engines, steam turbines, steam compressors, and gas expansion motors tailored to individual customer specifications. Revenue is generated through the sale of custom-engineered machines and complete plant systems. The company also provides adjacent plant components as part of comprehensive project delivery.
2. After-Sales Service, Maintenance, and Spare Parts: Spilling offers ongoing customer service including spare parts supply, maintenance contracts, plant modernization (retrofitting), and remote monitoring via telemetry. These services generate recurring service revenue throughout the lifecycle of installed equipment.
3. Engineering, Installation, and Commissioning: Comprehensive project execution services including plant engineering, installation management and supervision, and cold and hot commissioning. Provided as part of the all-round customer support from concept through to operational handover.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

Spilling Technologies manufactures and supplies modular machines for decentralized energy generation: piston-type Spilling steam engines (from approx. 100 kW), modular Spilling steam turbines, piston-type Spilling steam compressors that function as industrial high-temperature heat pumps for steam recycling, and Spilling gas expansion motors that convert natural gas pressure differential into electricity. The company also provides engineering, complete installation and start-up, and customer service with spare parts as custom-built packages around each machine project.

Product overview

Spilling Technologies (Spilling Project Partner GmbH & Co.KG) is a Hamburg-based manufacturer of modular energy generation equipment founded in 1890. The company offers a comprehensive portfolio of four core mechanical products: Steam Compressors (piston compressors that function as high-temperature heat pumps for steam recycling), Steam Engines (robust piston engines for decentralized power from 100 kW), Gas Expansion Engines (for converting natural gas pressure differential to electricity), and Steam Turbines (modular turbines for higher output applications). The portfolio covers an output range of approximately 100 - 2,500 kW. Complementing the product line are comprehensive customizing services including engineering, installation and commissioning, and customer service with spare parts. The products serve decentralized energy generation applications including combined heat and power, biomass power, heat and waste power recovery, and steam compression for industrial process heat.

Differentiator

Problem solved

Functional benefit

Products and services

• Spilling Steam Compressors Piston-driven steam compressors that compress low-pressure exhaust steam to higher pressure levels for reuse as industrial process steam. They function as high-temperature heat pumps with Coefficients of Performance (COP) above 10 and can recover up to 15 times the input electrical energy as usable steam heat, sold to industrial customers for steam recycling applications.
• Spilling Steam Engines Worldwide-unique robust piston steam engines suitable for heat-controlled operations from 100 kW upwards, with oil-free (dry-running) operation and a modular design covering an output range of approximately 100 to 2,500 kW, sold to industrial customers and municipal utilities for flexible decentralized power generation including CHP, biomass power, and heat and waste power.
• Spilling Gas Expansion Engines Natural gas expansion motors that convert the pressure differential between transport and distribution networks into electrical power, featuring a large working range with consistently high efficiencies across pressure and throughput fluctuations, polymer-seal oil-free operation, and the ability to deliver CO2-free power when combined with gas preheating from waste heat, sold to municipal utilities, power supply companies, and industrial firms.
• Spilling Steam Turbines Modular turbine technology configurable and dimensioned to customer specifications, covering higher output ranges than steam engines, suitable for saturated steam operation and ORC (Organic Rankine Cycle) plants, sold to industrial customers for waste-heat-to-power applications.
• Engineering Services Comprehensive plant construction and engineering services that leverage Spilling's product range and engineering know-how to design concepts tailored to customer on-site requirements, delivered as a standalone contracted service around Spilling machinery.
• Installation and Start-up Services Complete installation and commissioning services including management and supervision of the entire assembly process from piping installation through cold and hot commissioning, delivered as part of Spilling's all-round customer support package.
• Customer Service and Spare Parts On-site servicing with optional customer-staff training, maintenance contracts, modernization and retrofitting (including PLC retrofits and conversion to lubrication-free technology), spare parts supply, and remote monitoring via telemetry, providing ongoing lifecycle support for installed Spilling plants.

Quantifiable outcome

• Up to 15x heat energy recovered per kWh of electricity used in steam compression
• +7 more outcomes

Named customers5 records

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Two partnerships are on record, tiered core.

• Hochschule Zittau/GörlitzcoreStrategic or Co-development Partner · 1 January 2022Researchers at Hochschule Zittau/Görlitz are developing a thermodynamic energy storage system in cooperation with Spilling Technologies. The project uses the established steam principle to address the key challenge of renewable energy — storing excess electricity generated when supply exceeds demand. The project is funded by the BMWi (German Federal Ministry for Economic Affairs and Energy).
• Project 6-25coreStrategic or Co-development Partner · 7 July 2020Project 6-25 is a Dutch industry initiative aiming to reduce CO2 emissions by 6 million tons by 2025 across the 300 most energy-intensive industrial sectors in the Netherlands. The initiative is a cooperation between industrial companies, engineering firms, technology providers, and financial institutions covering sectors including chemical, petrochemical, paper, glass, food, and metals. Spilling Technologies contributes its steam compression and heat pump expertise as a technology partner to help Dutch industrial companies improve energy efficiency and reduce CO2 emissions.

Scale indicators11 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Atlas Copco: Global industrial compressor manufacturer with strong positions in gas compression, industrial heat pumps, and energy recovery. A credible broader incumbent adjacent to Spilling's steam compressor / industrial heat-pump territory and a likely competitor in decarbonization.
• Siemens Energy: Global incumbent supplying steam turbines, generators, and CHP plants spanning small industrial through utility-scale projects. Competes with Spilling in industrial steam-based power and increasingly in industrial heat-pump/decarbonization offerings as a broader portfolio player.
• Mitsubishi Heavy Industries (Power / Turbines): Major supplier of industrial and utility steam turbines, turbogenerators, and related rotating equipment. Represents the larger-OEM benchmark for steam turbine competition and a potential competitor if Spilling scales upward in output.

Direct peers

• Sulzer: Swiss-headquartered manufacturer of pumps, compressors, steam turbines, and related rotating equipment for industrial applications. Overlaps with Spilling across steam turbines, industrial compressors, and energy-recovery/CHP deployments in process industries.
• Howden: Specialist in rotating equipment including compressors, steam turbines, and heat-pump technologies for industrial process applications. Highly comparable to Spilling's steam compressors, steam turbines, and gas expansion motors, with overlapping decarbonization-focused use cases.
• Mafi-Trench: Niche manufacturer of turboexpanders primarily for natural gas pressure-letdown and air-separation applications. The closest direct competitor to Spilling's gas expansion motors serving municipal utilities and industrial gas distribution customers.
• Elliott Group: Manufacturer of industrial steam turbines, compressors, and expanders used in petrochemical, refining, and process industries. Closely comparable to Spilling's modular steam turbines, expanders, and custom-engineered turbomachinery for industrial steam and gas applications.
• MAN Energy Solutions: Hamburg-headquartered manufacturer of steam turbines, turbomachinery, and compressors with a long-standing industrial CHP and steam portfolio (100 kW up to utility scale). Overlaps directly with Spilling's steam turbines, CHP applications, and steam compressor/expander product lines for industrial customers.

Others

• Tranter: Global manufacturer of heat exchangers and related thermal-transfer equipment for process industries. Adjacent rather than direct: Spilling's steam-compression and CHP deployments often integrate heat-exchanger subsystems, making Tranter a complementary/ecosystem company.

Emerging players

• Kaeser Kompressoren: Family-owned German manufacturer of compressors and blowers with focus on compressed-air efficiency and energy-recovery products. Comparable as a mid-sized, family-owned industrial compressor specialist with growing interest in energy efficiency and heat recovery.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/spilling-technologies-gmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 Spilling Technologies