25 MW natural-gas power block · 10 × Rolls-Royce mtu 20V4000 GS
25.18 MW gross from 10 × 2,518 kWe. Capacity basis, battery limit, parts list and delivery scope stated as documented, with unstated figures labelled.
Capacity
- Gross: 25.18 MW
- Largest single unit: 2.52 MW
- One unit out (N-1): 22.66 MW
- Net estimate: 23.9 MW
- Auxiliary load assumption: 5%
- Capacity basis: mtu datasheet conditions per TD_0944_L64_2518_60_1_EN_US V5; site derate not stated
Configuration
- Units: 10 × 2,518 kWe
- Technology: recip_gas
- Interconnect voltage: 13.8 kV
- Frequency: 60 Hz
Battery Limit
13.8 kV outgoing terminals at the E-house; final cable demarcation by designer of record
Parts List (14)
- 10 × Rolls-Royce mtu 20V4000 GS gas genset, engine 20V4000L64FNER TR — mtu (Rolls-Royce) · Generation · Included
- 10 × Stamford alternator, type S9H1DE42Wdg91, 3,427 kVA, IP23, insulation class H, temperature rise F (no dossier yet) — Stamford · Generation · Included
- 10 × Genset enclosure approximately 10 x 48 x 12 ft with radiators, exhaust silencer, fuel-gas train and lube-oil system (no dossier yet) — Enclosure bop · Included
- 10 × SCR and oxidation catalyst, vendor not named (no dossier yet) — Emissions control · Included
- 1 × 15 kV metal-clad switchgear lineup, 2,000 A, 40 kA, 95 kV BIL, indoor Type 1, non-arc-resistant, maker not named (no dossier yet) — Mv collection · Included
- 10 × Ten generator breakers, 13.8 kV, 1,200 A, 40 kA drawout vacuum, with SEL-700G generator protection relays (no dossier yet) — Schweitzer Engineering Laboratories · Protection · Included
- 2 × Two main breakers, 13.8 kV, 2,000 A, 40 kA drawout vacuum, with SEL-751 feeder protection relays (no dossier yet) — Schweitzer Engineering Laboratories · Protection · Included
- 1 × Bus A / Bus B sectionalizing tie breaker (no dossier yet) — Mv collection · Optional
- 1 × Station-service transformer, 5.5 MVA, 13.8 kV to low voltage (no dossier yet) — Station service · Included
- 1 × Zig-zag grounding transformer with neutral grounding resistor branch (no dossier yet) — Grounding · Included
- 1 × Low-voltage motor control centre and distribution panel for package auxiliaries (no dossier yet) — Lv distribution · Included
- 1 × mtu MMC and MIP unit controls with master plant controller (no dossier yet) — Controls · Included
- 1 × E-house housing the 15 kV lineup, station service and plant controller (no dossier yet) — Ehouse · Included
- Buyer scope: GSU and distribution beyond 13.8 kV; interconnection application and studies; automatic transfer switching; battery storage or black-start source; fuel infrastructure; field cabling; permits (no dossier yet) — Buyer side · Buyer
Performance and Fuel
- Heat rate (LHV): 7,877 Btu/kWh
- Heat rate (HHV): 8,728 Btu/kWh
- Fuel specification: MTU A001072_02_E
- Methane number: 80
- Minimum methane content (%): 95
- Supply pressure (psi): 2.4 to 3.6 at DN100
- Heating value design btu ft3: 969.1 to 1,014.5
- Heating value operating btu ft3: 773.0 to 1,062.8 without derating
- Duty: Application group 3A, heavy duty, unrestricted
- Engine: mtu 20V4000L64FNER TR, lean-burn Otto cycle, V20
- Speed rpm: 1500
- Radiator basis: 110 °F ambient at 2,500 ft, 231,000 cfm total airflow
- Exhaust full load: 777 °F, 6,024 acfm wet, 28,688 lb/h wet mass flow
- Cooling ht circuit: 171 / 198 °F at 453.5 gpm
- Cooling lt circuit: 136 / 143 °F at 193.7 gpm
- Fuel input mmbtu h: [object Object]
- Output profile kwe: [object Object]
- Engine ambient basis: 95 °F combustion air, 328 ft elevation, 79 °F maximum dew point
- Total efficiency pct: [object Object]
- Electrical efficiency pct: [object Object]
- Exhaust backpressure in h2o: 12 to 24 allowable after the module
Electrical System
- Emissions controls: Master plant controller with unit MMC and MIP controllers
- Grounding: Zig-zag transformer with neutral grounding resistor branch
- Alternator: Stamford UL, type S9H1DE42Wdg91, 3,427 kVA, IP23, insulation class H, temperature rise F
- Switchgear: 15 kV metal-clad, 2,000 A bus, 95 kV BIL, 40 kA bracing, indoor Type 1, non-arc-resistant
- Power factor: 0.8 inductive to 1.0 capacitive at nominal power
- Main breakers: 2 × 13.8 kV, 2,000 A, 40 kA drawout vacuum, SEL-751 protection
- Operating mode: Grid-parallel base. Island operation and black start are not in the base scope.
- Station service: 5.5 MVA transformer, 13.8 kV primary
- Voltage tolerance: 13,800 V ±5%, 60 Hz ±5%
- Generator breakers: 10 × 13.8 kV, 1,200 A, 40 kA drawout vacuum, SEL-700G protection
- Generator efficiency pct: [object Object]
Delivery Schedule
- Payment gates: 10% at order · 30% at major-equipment order · 30% at major-equipment receipt · 25% per unit ready to ship · 5% per unit at commissioning
- Qualification: Only the first-unit receipt and the packaging window are supplier-quoted dates. Every other span is planning logic and is not committed.
- Delivery region: United States
- First unit receipt: December 2027 — first engine-generator received into packaging
- Packaging complete: April to May 2028 — ten units and the E-house complete
- Commissioning readiness: Fuel, electrical power, ventilation, lighting, communications, safety systems, completed site work and a suitable load must be available before commissioning
- Contract position target: Q3 2027 — contract position and slot rights transfer at closing
Emissions
- Emissions controls: SCR and oxidation catalyst included
- Load basis: at or above 50% load
- Raw CO (g/bhp-h): < 3.0
- Raw NOx (g/bhp-h): < 1.0
- Raw VOC (g/bhp-h): < 0.7
- Stack outlet guarantees: not defined
Footprint, Weight and Noise
- Generating set (in): approximately 280 x 80 x 100
- Enclosure (ft): approximately 10 x 48 x 12
- Generating set weight (lb): 52000
- Silencer: standard
- Radiator attenuation: not stated
- Raw engine noise at 1 m (dB(A)): 102