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Cold Storage Utility Cost Calculator
Cold storage facilities consume enormous amounts of energy.
Annual utility cost
$981,600
Cost per SF
$2
Annual kWh
8,180,000
How the math works
kWh = sqft × (freezer × 30 + cooler × 20 + dry × 3). Cost = kWh × rate.
400k × (30%×30 + 55%×20 + 15%×3) = 400k × 20.45 = 8.18M kWh × $0.12 = $981k/yr, $2.45/SF.
How to Use
- Enter total square footage.
- Enter freezer % of total.
- Enter cooler % of total.
- Enter kWh per sqft / yr.
- Enter electricity rate / kWh.
- Read annual utility cost.
Frequently Asked Questions
Why are cold storage utilities so high?
Refrigeration and freezer systems run 24/7/365. Typical cold storage facility uses 15-40 kWh per sqft annually vs 2-4 for dry storage. Cost: $2-8/sqft annually just for electricity. On 500k sqft facility: $1-4M/year utility cost. That's 25-50% of total operating expense for cold storage vs 5-15% for dry. Critical line item for tenant and landlord.
Freezer vs cooler?
Freezer (-10 to 0°F): 25-40 kWh/SF/yr. Cooler (28-45°F): 15-25 kWh/SF/yr. Dry (ambient): 2-5 kWh/SF/yr. Blast freezer (-40°F for rapid freeze): 50-80 kWh/SF/yr (specialty use). Mixed-use facilities (common) blend these — layout matters. Dedicated freezer has highest cost per sqft but most flexible for tenant.
How to reduce energy cost?
(1) LED lighting: 60-80% reduction in lighting energy. (2) High-efficiency compressors: 20-30% reduction in refrigeration. (3) Thermal envelope (insulation, door seals): 10-25% reduction. (4) Variable-frequency drives on motors: 15-25% reduction. (5) On-site solar: 30-80% of load. (6) Demand response programs: $15-50k/yr credit. Full upgrade on 500k SF facility: $3-8M investment; saves $400-900k/yr. 5-10 year payback. Strong ROI.
Who pays — tenant or landlord?
Usually tenant via triple-net lease (tenant pays all utilities). Landlord pays if gross lease. Most cold storage is NNN. But some leases have utility 'gross up' or 'included' provisions — examine carefully. Electricity rebilling requires submeter by zone; otherwise proportional allocation by sqft. Disputes common; include clear rebill methodology in lease.
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