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Hotel Energy Cost Per Key Calculator
Energy cost per key is a core utility efficiency benchmark for hospitality operators.
Energy cost per key
$2,867
Energy cost per occupied room
$10.91
Total energy spend
$430,000
How the math works
Cost/key = total energy ÷ keys. Cost/occupied room = energy ÷ (keys × 365 × occ).
$430k / 150 = $2,867/key. 150 × 365 × 72% = 39,420 occ nights → $10.91/occupied room.
How to Use
- Enter annual electric spend.
- Enter annual gas spend.
- Enter annual water/sewer spend.
- Enter number of keys (rooms).
- Enter annual occupancy %.
- Read energy cost per key and per occupied room.
Frequently Asked Questions
Typical energy cost per key?
Limited-service: $1,200-1,800/key/year. Select-service: $1,500-2,400. Full-service: $2,200-3,800. Luxury: $3,500-6,500. Resort: $4,000-8,000 (pools, grounds, F&B outlets). Drivers: climate (peak-cooling markets = higher), property age, HVAC efficiency, pool/laundry facilities, public space ratio. Utility spend: 4-7% of revenue typical.
Energy efficiency measures?
Quick wins: LED retrofit ($50-150/key, 2-3 yr payback). PTAC replacement (packaged HVAC units), $1,200-2,500/unit, 6-10 yr payback. Occupancy-based thermostats, $200-400/room, 1-3 yr payback. Key card HVAC control ($150-300/room). Laundry water reclaim ($25-75k capex for 200-key hotel, 3-7 yr payback). Solar hot water (pool + laundry), 4-8 yr payback in sunny climates. EV charging upgrades (separate lane of capex).
Energy Star certification?
Earn 1-100 score via EPA Portfolio Manager. Score 75+ = Energy Star certified. Score is percentile vs similar hotels nationally. Certified hotels earn: 10-15% ADR premium in corporate RFPs, stronger loyalty program performance, lower CapEx requirements from lenders, PACE/green loan eligibility. Benchmarking data: median limited-service: 55-65; full-service: 50-60. Target: 70+.
Benchmarking pitfalls?
Raw $/key fails to account for: climate variation (heating-degree-days, cooling-degree-days), property-specific F&B (meals × sq ft), pool/spa presence, laundry in-house vs outsourced, guest room count vs total sq ft. Best benchmark: BTU/sq ft/year (energy intensity) or $/occupied room (better than $/key). Sophisticated operators submeter to attribute guest-room vs public-space consumption.
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