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Commercial Thermal Energy Storage (TES) Ice & Chilled Water Sizer

❄️ 1. Chilled Plant & Cooling Load

Peak Cooling Load (Tons)

Peak Discharge Window (Hrs)

Thermal Storage Operating Strategy

Storage Media & Tank Technology

⚡ 2. Electric Tariff & Demand Ratchets

Peak Demand Charge ($/kW/mo)

Peak Energy Rate ($/kWh)

Off-Peak Energy Rate ($/kWh)

Cooling Season (Months/yr)

🏛️ 3. CapEx & IRA Section 48 ITC

Storage Cost ($/Ton-Hour)

IRA Section 48 ITC (%)

Downsized Chiller CapEx Credit ($/Ton)

Capital saved by procuring a smaller chiller compressor plant due to load-leveling.

TES Tank Capacity

1,800 Ton-Hrs

9 Modular Ice Tanks

Net Turnkey CapEx

$58,800

After Chiller Downsize Credit

Annual Utility Savings

$48,720/yr

1.2 Yrs Simple Payback

15-Minute Peak Demand Shaving Performance 240 kW Peak Shaved

Baseline Conventional Chiller Load 400 kW Demand

With Thermal Ice Storage Discharge 160 kW Demand (60% Cut)

Turnkey TES Equipment & Chiller Downsizing Pro Forma

Scope / Line Item	Metric Quantity	Unit Rate	Amount ($)

20-Year Cumulative Operating Value

$1,124,000 Net Savings

Assumes 3.0%/yr electric tariff escalation. Closed-circuit glycol loop prevents coil fouling, and polyethylene ice tanks require virtually zero mechanical maintenance over a 30-year operational life.