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StarBee

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StarBee Thermal Storage

Capacity 40 kWh_th per 10 kW_th (4 h at rated power) · charge 1.5–2 h

Discharge 8–10 kW · 85–95% round-trip

Store the day.

Star Fin Drive · TR-2

Radiator + engine

Architecture B class · night storage not included

Reject waste heat. Make power.

Star Hub · Architecture A

Bus + radiator + engine

40 kWh stored · 17.1 kWh night electricity

Night power your no-bus skid doesn’t have.

Radiator · thermal bus

Indicative price ranges (Earth)

Star-Bee GEM: radiator material options and indicative price ranges

Indicative price ranges for the radiator materials behind each GEM installation size (useful electrical output). The ranges are for radiator materials only and come from our internal cost data. Installation, pumps, controls and coolant channels are not included. The radiator mounts on the back of the mirror structure.

Radiator material options (Earth)

Material10 kW100 kW150 kW250 kW1 MW
Mirror back-plate only (no added fin core)from $0 – $555$0 – $5,546$0 – $8,319$0 – $13,864$0 – $55,457
Aluminium honeycomb (budget)$12.7 – $121$127 – $1,215$190 – $1,822$317 – $3,037$1,270 – $12,147
Aluminium honeycomb with copper face (high performance)$12.1 – $732$121 – $7,322$181 – $10,982$302 – $18,304$1,207 – $73,216
Carbon-fibre / graphene composite (lightweight)$43.7 – $941$437 – $9,411$656 – $14,116$1,093 – $23,527$4,371 – $94,108
Carbon-fibre / graphene composite (high performance)$24.7 – $512$247 – $5,122$371 – $7,683$619 – $12,805$2,474 – $51,221
Graphene-enhanced aluminium$61.0 – $728$610 – $7,284$915 – $10,926$1,525 – $18,210$6,102 – $72,838
Stainless steel 316 (corrosive sites)$315 – $642$3,150 – $6,418$4,725 – $9,627$7,874 – $16,045$31,497 – $64,182
Titanium lattice$774 – $4,799$7,740 – $47,987$11,609 – $71,981$19,349 – $119,968$77,396 – $479,871
Copper / copper-nickel lattice$979 – $4,391$9,790 – $43,913$14,686 – $65,870$24,476 – $109,783$97,904 – $439,132

Heat to reject and radiator area (Earth)

A GEM installation releases about 1.5 kW of heat for every 1 kW of useful electrical output. The Star-Bee radiator sits directly under the mirror and uses the mirror plate as its base.

Useful electrical outputHeat to rejectRadiator area with finned coreRadiator area, mirror back-plate only
10 kW15 – 15.3 kW0.8 – 20 m²32 – 68 m²
100 kW150 – 153 kW8 – 196 m²316 – 680 m²
150 kW225 – 229 kW12 – 295 m²474 – 1,020 m²
250 kW375 – 381 kW21 – 491 m²791 – 1,700 m²
1 MW1,500 – 1,525 kW83 – 1,964 m²3,163 – 6,801 m²

With a finned core, the area under the mirror is enough on its own; no extra side panels are needed. The low end of each range is a lightweight aluminium honeycomb core with active airflow; the high end is a heavy metal lattice or plain plate with natural airflow.

Thermal storage bus, heat-exchanger material options (per installation)

Heat-exchanger material10 kW100 kW150 kW250 kW1 MW
Stainless steel 316, thin-wall with nickel layer$83.9 – $85.3$839 – $853$1,258 – $1,279$2,097 – $2,132$8,386 – $8,528
Stainless steel 316, solid$196 – $199$1,957 – $1,990$2,935 – $2,985$4,892 – $4,974$19,568 – $19,898
Nickel 200$266 – $270$2,656 – $2,700$3,984 – $4,051$6,639 – $6,751$26,557 – $27,004
Silicon carbide ceramic$384 – $391$3,844 – $3,908$5,766 – $5,863$9,609 – $9,771$38,438 – $39,085
Copper, internally plated$294 – $298$2,935 – $2,985$4,403 – $4,477$7,338 – $7,462$29,352 – $29,846

Prices are indicative ranges in USD and will be confirmed per project.

Storage sizing and thermal bus estimates (Earth) →