Free Compliance Tool — No Signup Required

LL97 Compliance Calculator

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.

Step 2 — Building Information

Total floor area including all stories, measured to exterior walls

Step 3 — Annual Energy Consumption

Enter actual annual figures from utility bills. Leave blank if not applicable.

kWh
therms
MMBtu
gallons
gallons

Step 4 — Utility Rates (Optional — for cost comparison)

Entering rates unlocks a penalty-vs-energy-cost comparison — often the most eye-opening part of this tool. You have two options:

  • From your utility bill — Find your $/kWh on your Con Edison bill, $/therm on your National Grid bill, or $/gallon on your fuel oil invoice and enter below.
  • Use NYC averages — Click the button below to auto-fill typical NYC commercial rates. Good enough for a quick estimate.
$/kWh
$/therm
$/MMBtu
$/gallon
$/gallon
— — Period 1: 2024–2029
Your Annual Carbon Emissions —
Emissions Intensity (per sq ft) —
Your Allowable Limit —
Excess Emissions —
Estimated Annual Fine —

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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.