Phase Four will accelerate infrastructure expansion in space through the development of high performance plasma propulsion systems manufactured at scale, and the development of advanced propellants.

P4 Pass is a long term pricing agreement that upgrades alongside the Maxwell product line. It provides customers with access to the highest performing Maxwell engine, on a fixed production schedule and pay-as-you-go price over a 2 or 3 year period.

3 Year P4 Pass Example

The table to the right shows example mission specifications using a qualified COPV tank supplier. Both larger and smaller tank sizes are available to customize Maxwell to meet your mission needs. The operating point shown is available as early as Block 2. Contact us today to find the right solution for your spacecraft and constellation.

  • Total purchasable quantity : 40
  • Minimum purchase quantity: 12
  • Fixed price per unit: $225,000
  • At least 4 month lead time notice required, based on fixed production schedule
  • Payment 50% ARO, 50% on delivery

Customer notifies Phase Four order of 4 Maxwell Block 2 engines

  • Initial payment at PO = $450,000
  • Payment on delivery of all 4 engines = $450,000
  • Customer has 36 total engines available to purchase
  • Customer must purchase at least 9 additional engines to be eligible for P4 Pass pricing.
Total purchasable engines 30 40
Minimum purchase quantity** 9 12
Fixed per unit price $275,000 $225,000
Minimum order quantity*** 2 2
Payment structure 50% ARO, 50% delivery 50% ARO, 50% delivery
Best lead time 3-4 months 3-4 months

*Availability based on unclaimed production capacity offered on a first come/first served basis.

**Number of engines that must be purchased during a P4 Pass contract.

***Minimum quantity of purchase at a time.

Maxwell Blocks