Solar as a Utility Rate Inflation Hedge for Rental Portfolios
Rent control caps rent growth. Nothing caps your utility bill. Here's how rooftop solar functions as a portfolio-level inflation hedge.
The number that keeps going up
US average residential electricity: $0.128/kWh in 2020, $0.171/kWh in 2025. That's ~6% CAGR — more than double core CPI. Rate cases pending in California, New York, and New Jersey point to another 8–12% in 2026.
Why this matters for landlords
If tenants pay their own utility bills directly, rising rates create pressure to demand rent concessions or turn over. If landlords include utilities in gross rent, rising rates eat NOI directly.
Solar cuts both risks:
- Sub-utility pricing locked in for 20 years insulates tenants (retention benefit).
- Contracted escalators (typically 1.5–2.9%) mean your solar revenue grows every year, but slower than the grid — always keeping the tenant's discount intact.
Portfolio-level math
On a 400-unit portfolio with solar on 60% of doors, a 5% annual utility increase produces ~$95K/yr of additional NOI capture vs. staying on the grid. Over ten years that compounds to more than $1.2M — before any cap-rate multiplier.
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