Retrofit ROI Calculator

Facility

Net utility power 60 MW

Total contracted utility capacity

Pre-retrofit PUE 1.50

Existing air-cooled efficiency

PUE improvement −0.15

Post-retrofit PUE: 1.35 · IT load gain: +4.44 MW

Pre-retrofit rate $180/kW/mo

Current market rate (air-cooled)

Capex & Financing

Retrofit $/MW

Debt %

Constr. loan %

Term loan %

Loan term (yrs)

Operating & Timing

Constr. (months)

% offline

Tenant ramp (mo)

Min billing %

Power $/MWh

Incr. opex $/yr

Incremental IRR —

—

10-year levered, on incremental equity, at the selected uplift.

MOIC

—

cash multiple on equity

Payback

—

years to recover equity

Equity invested

—

capex × equity %

Uplift on $180/kW/mo base · 10-year levered · colour-coded by attractiveness

Rate uplift 27.8% · post-retrofit $230/kW/mo

Versus do-nothing baseline · year by year