Either an additional electrical generator (MPDG) or an electrical energy storage system (SMES)
| Name | APU Type | Power Consumption | Thermal Consumption | Power (nominal) | Energy capacity | Charge Power Draw | Discharge Power (peak) | Mass | Price |
|---|---|---|---|---|---|---|---|---|---|
| MPD5035 | MPDG | 50 MW | 0.5 GW | 350 MW | 2,500 kg | 300,000 E$ | |||
| NDAPS | SMES | 18,000 MJ | 100 MW | 3,000 MW | 1,000 kg | 400,000 E$ | |||
| EIPFG MkIV Big Furnace Generator | MPDG | 100 MW | 1 GW | 700 MW | 4,000 kg | 500,000 E$ | |||
| MPI Town-class MPDG | MPDG | 150 MW | 1.5 GW | 1,000 MW | 8,000 kg | 800,000 E$ | |||
| MPI Town-class storage | SMES | 32,000 MJ | 150 MW | 3,000 MW | 2,000 kg | 800,000 E$ | |||
| EIUP MkII Unlimited Power | SMES | 50,000 MJ | 200 MW | 6,000 MW | 3,500 kg | 1,200,000 E$ |