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Local Law 97 Compliance Checklist
Free NYC Local Law 97 carbon emissions compliance checklist. Emission calculations, reduction strategies, filing deadlines, and penalty avoidance steps for building owners and property managers.
NYC LL97 / Climate Mobilization ActBuilding Emissions4-8 hours (initial assessment)40 inspection items
Building Applicability Assessment
- CheckboxConfirm building exceeds 25,000 gross square feet
- CheckboxDetermine building occupancy group classification per NYC Building Code
- CheckboxIdentify if any exemptions apply (city-owned, certain affordable housing, industrial ETS)
- CheckboxDetermine applicable compliance period (2024-2029 or 2030-2034)
- CheckboxLook up emissions limit for building occupancy type and compliance period
- CheckboxCalculate building-specific emissions cap based on gross square footage
Energy Data Collection
- CheckboxGather 12 months of utility bills for all energy sources
- CheckboxRecord electricity consumption in kWh
- CheckboxRecord natural gas consumption in therms
- CheckboxRecord fuel oil consumption in gallons (specify grade: #2, #4, #6)
- CheckboxRecord district steam consumption in MLB (if applicable)
- CheckboxRecord district chilled water consumption in ton-hours (if applicable)
- CheckboxVerify utility data against EPA Energy Star Portfolio Manager benchmarking
Emissions Calculation
- CheckboxApply NYC grid electricity emissions coefficient to electricity consumption
- CheckboxApply natural gas emissions coefficient (0.00531 tCO2e per therm)
- CheckboxApply fuel oil emissions coefficient based on grade
- CheckboxApply steam and chilled water coefficients if applicable
- CheckboxSum all sources to calculate total annual building emissions (tCO2e)
- CheckboxDivide total emissions by gross square footage for per-SF emissions rate
- CheckboxCompare calculated rate to LL97 limit for building occupancy type
Reduction Strategy Planning
- CheckboxIdentify highest-consuming energy systems (HVAC, lighting, domestic hot water)
- CheckboxEvaluate boiler replacement or electrification options with cost/benefit analysis
- CheckboxAssess lighting upgrade potential (LED retrofit remaining fluorescent fixtures)
- CheckboxEvaluate building envelope improvements (insulation, window replacement, air sealing)
- CheckboxInvestigate renewable energy options (rooftop solar, renewable energy credits)
- CheckboxReview Local Law 87 energy audit recommendations for actionable items
- CheckboxModel projected emissions under each improvement scenario
- CheckboxPrioritize improvements by emissions reduction per dollar invested
Filing and Compliance Documentation
- CheckboxConfirm annual benchmarking report filed via EPA Portfolio Manager by May 1
- CheckboxPrepare LL97 emissions report with supporting calculations
- CheckboxDocument all energy efficiency improvements completed with before/after data
- CheckboxRecord any renewable energy credits (RECs) purchased with certificates
- CheckboxMaintain records of alternative compliance pathway applications if applicable
- CheckboxFile all required reports with NYC Department of Buildings by deadline
Penalty Risk Assessment
- CheckboxCalculate potential penalty amount: (excess emissions tCO2e) × $268 per ton
- CheckboxCompare penalty cost to estimated cost of efficiency improvements
- CheckboxIdentify break-even timeline for capital improvements vs. ongoing penalties
- CheckboxDocument board-approved compliance strategy with implementation timeline
- CheckboxSet calendar reminders for annual filing deadlines and compliance milestones
- CheckboxSchedule annual review of emissions trajectory against compliance targets
Use This Checklist Digitally in KomplyOS
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