AvailableNatural Gas Generators

4.56 MW* Wärtsilä 12V34SG rehabilitation candidate — UK-B

Name: 4.56 MW* Wärtsilä 12V34SG rehabilitation candidate — UK-B
Brand: Wärtsilä
SKU: EE-W34-UK-B

Rating basis: *4.56 MW is 12 × 380 kW/cylinder planning arithmetic, not confirmed electrical output. Historical reported rating: 4 MW.

4,000 kW per unit · Wärtsilä · United Kingdom

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Photographs pending verification

AS IS, WHERE IS, WITH ALL FAULTS — unless expressly agreed otherwise in a signed contract.

Descriptions reflect our present understanding from available records and seller information and may be incomplete or inaccurate. EnergyEquipment is a general equipment marketer, not a specialist engineer or the equipment manufacturer. Have a qualified expert for this equipment independently verify identity, condition, ratings, completeness, safety, regulatory compliance and suitability for your application before purchase, installation or operation. Photos and historical hours are not operating tests. To the fullest lawful extent, implied warranties of merchantability and fitness for a particular purpose are disclaimed, subject to the signed sale agreement and applicable law. Buyers must arrange safe inspection, handling, transport, installation and commissioning. Any OEM warranty, performance guarantee or service agreement is separate and applies only as stated in the executed OEM contract. Nothing here excludes fraud or liability that cannot lawfully be excluded; signed transaction terms and applicable law control.

History, availability and verification

Estimated dispatch: Project schedule / rehabilitation
Dispatch conditions: Core release/relocation and commissioned rehabilitation are separate schedules. Confirm OEM lead time for the specific scope.
Fuel and application history: Natural-gas plant service reported.
Maintenance / hours basis: 23,411 seller-reported historical hours.
OEM review: Submitted engine numbers reportedly reviewed by Wärtsilä; rehabilitation and upgrade pathways indicated, subject to physical audit, engineering and definitive OEM contracts. Warranty, guarantees and LTSA are not already in force.
Photograph basis: No unit-specific public photograph verified in the current source.
Quantity basis: Individual asset; exact included scope subject to agreement.
Availability last checked: 2026-09-22

Also included in: UK Wärtsilä two-engine package — 10 MW legacy / 11.4 MW* rehabilitation basis · 31 MW* Wärtsilä rehabilitation opportunity — five-engine UK + Spain package. The same asset is counted once.

Read about the Wärtsilä 34SG rehabilitation pathway ↗ (opens a new tab)

Equipment overview

Legacy 2004 natural-gas engine-generator, 4 MW seller-reported historical output, 50 Hz, 6 kV. Rehabilitation assessment considers retained block and crankshaft, renewed parts, new generator end and controls, and project-specific modernization. Final scope and performance require OEM audit and contract.

Additional listing details

Listing Reference: EE-W34-UK-B

Power-generation specifications

Voltage: 6,000 V
Operating Hours: 23,411

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