ReneSys Energy — Cost Analysis

Component Cost Breakdown —
AC/DC vs DC-Only

Midpoint estimates from cost model ranges · Primary: 2.6MWh 0.25C (7 racks) · ReneSys Cost Rollup v9
AC/DC System — Total (midpoint)
$1,658k
$321/kWh
AC/DC
DC-Only Pack — Total (midpoint)
$943k
$183/kWh
DC-Only
−$715k
stripped by removing PCS + transformer + AC HVAC + AC switchgear + container fire stages 1-3 + UPS
That's −$138/kWh — for buyers with an existing PCS/transformer relationship, DC-only is the right conversation.
AC/DC System

Full Turnkey

Battery + PCS + Transformer + AC hardware
DC-Only Pack

Battery Pack

Cells + BMS + Cooling + DC controls only

Component Breakdown Detail