Search your building by address to instantly pull publicly reported energy data, or enter your own utility figures for a precise calculation. See your carbon emissions, compliance status across all three penalty periods, and your annual fine exposure.
Step 1 — Find Your Building
Search by street address to auto-fill from NYC's public LL84 benchmarking database. Or skip to Step 2 and enter manually.
——Period 1: 2024–2029
Your Annual Carbon Emissions—
Emissions Intensity (per sq ft)—
Your Allowable Limit—
Excess Emissions—
Estimated Annual Fine—
——Period 2: 2030–2034
Allowable Limit (stricter)—
Excess Emissions—
Estimated Annual Fine—
——Period 3: 2035+
Allowable Limit (strictest)—
Excess Emissions—
Estimated Annual Fine—
Penalty vs. Energy Cost
Annual utility spend: —
How do your LL97 fines compare to what you're already spending on energy? This puts the penalty in context — and makes the case for investing in upgrades.
Energy Cost LL97 Penalty
2024–2029
2030–2034
2035+
Want a full compliance assessment — including reduction strategies, incentive opportunities, and a multi-year capital plan?
Disclaimer: This tool provides a simplified estimate using publicly available LL97 carbon factors and limits. If pre-filled from LL84 data, figures reflect self-reported benchmarking and may not match current consumption. Results are for informational purposes only and should not be relied upon as legal or compliance advice. Building-specific factors, RECs, adjustments, and rule amendments may affect actual obligations.