Data Center Investment in Chicago
Chicago's data center market is having a moment. AI demand's pushing rents up 15-20% annually in prime facilities, and cap rates compressed from 7.5% to 5.8% over the last 18 months. The city's geographic position makes it a natural disaster recovery hub for coastal markets, plus ComEd's power grid can actually handle the load. Most deals I'm seeing trade between $8-12 per rentable square foot, but that's misleading without knowing power density. Better metric: $3.2-4.8M per MW of critical capacity for modern facilities.
Market Context
Cap Rate Range
5.8%-7.2% for stabilized facilities, hyperscale trading closer to 5.5% with long-term tenant credit
Current Vacancy
12% overall, but only 3-4% for enterprise-ready space with 100+ watts per sq ft
Rent Trend
Up 18% year-over-year in premium facilities, flat for older colocation space without adequate power
Absorption
1.2M sq ft absorbed in 2025, mostly hyperscale tenants taking 50MW+ blocks
Price Per Unit Trend
Price per MW hitting $4.5M+ for new construction, $3M for retrofit facilities
Transaction Volume
$2.1B in data center trades in 2025, up 40% from 2024 driven by three major portfolio deals
Submarket Analysis
Franklin Park Corridor
5.9%-6.4% capVacancy
8%
Avg Rent (1BR)
$145-180 per kW monthly for retail colocation
Strong. Close to O'Hare, excellent fiber density, ComEd substation upgrades completed.
OM Tip
Highlight proximity to 12+ fiber carriers and direct O'Hare connectivity for financial services tenants
Elk Grove Village
6.1%-6.8% capVacancy
15%
Avg Rent (1BR)
$125-160 per kW monthly
Moderate. Good power availability but limited fiber density compared to Franklin Park.
OM Tip
Emphasize lower power costs and expansion potential, acknowledge fiber limitations upfront
Des Plaines
5.8%-6.2% capVacancy
6%
Avg Rent (1BR)
$155-190 per kW monthly
Excellent. Established hyperscale cluster, new construction commanding premium rents.
OM Tip
Document existing hyperscale neighbors - buyers want cluster effects for operational efficiency
Downtown Chicago
6.5%-7.5% capVacancy
22%
Avg Rent (1BR)
$180-250 per kW monthly
Challenging. High real estate costs, aging infrastructure, limited expansion options.
OM Tip
Focus on low-latency applications and financial services proximity, not commodity hosting
Aurora/Naperville
6.2%-7.0% capVacancy
11%
Avg Rent (1BR)
$130-165 per kW monthly
Emerging. Growing enterprise base, good power grid, but 45+ minutes from Loop.
OM Tip
Position as disaster recovery location, highlight lower operating costs and room for growth
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What Your OM Needs to Address
Power Infrastructure Detail
Document every aspect of electrical systems - utility feeds, generator capacity, UPS runtime, and actual vs. theoretical power capacity
Data to Include
ComEd rate schedules, demand charges, utility SLA details, generator fuel contracts, electrical one-line diagrams
Cooling System Performance
Chicago's temperature swings create operational challenges - show how cooling handles 100°F summers and -10°F winters
Data to Include
PUE by month for last 24 months, cooling redundancy level (N+1 vs 2N), economizer hours annually
Fiber Carrier Connectivity
Connectivity drives 60% of location decisions - list every carrier on-net and their entry points into the building
Data to Include
Fiber provider list, diverse path routing, cross-connect pricing, internet exchange presence
Tenant Concentration Risk
Single tenant over 40% of revenue scares buyers - show tenant diversification or credit quality to offset concentration
Data to Include
Tenant credit ratings, lease escalations, expansion options, renewal probability analysis
Expansion Capacity
Most buyers want growth options - document available floor area, power capacity, and zoning allowances for additional density
Data to Include
Site survey showing expansion footprint, utility capacity studies, municipal approval timeline estimates
Operating Metrics Transparency
Show actual performance data, not design specs - buyers want to see real-world efficiency and uptime numbers
Data to Include
24-month utility bills, maintenance logs, any outage reports, actual vs. budgeted operating expenses
Investment Outlook
Short Term
Strong fundamentals through 2027. AI workloads aren't slowing down, and Chicago's power grid advantage becomes more valuable as coastal markets hit constraints. Expect continued cap rate compression for quality assets.
Medium Term
2027-2030 could see oversupply as planned construction delivers. Watch utility capacity - ComEd's planning 400MW of new data center load, but that may not be enough if hyperscale growth continues.
Long Term
Chicago becomes a tier-1 data center market by 2030. Geographic advantages and reasonable power costs create sustained demand, but older facilities without upgrade capital get left behind.
Buyer Profile
REITs chasing stabilized income, hyperscale companies building regional hubs, and opportunity funds targeting retrofit plays. Family offices mostly priced out except for development sites.
Marketing a data center property in Chicago?
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