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Building Performance Standard Fine Calculator
Building Performance Standards impose emissions limits with per-ton fines on exceedance.
Year 1 fine
$107,200
Cumulative fine
$344,801
Excess tons year 1
400
How the math works
Excess tons = emissions − limit. Annual fine = excess × fine/ton.
1,500 − 1,100 = 400 tons × $268 = $107,200/yr. With 5% reduction/yr, 5-year cum ≈ $385k.
How to Use
- Enter building tons CO2 emissions.
- Enter BPS limit tons CO2.
- Enter fine per excess ton.
- Enter compliance period years.
- Read annual fine and cumulative exposure.
Frequently Asked Questions
Which cities have BPS?
NYC LL97: emissions caps effective 2024, tighter 2030, 2035, 2040, 2050 (net-zero). Fine: $268/metric ton over limit. Boston BERDO 2.0 (2021): emissions targets declining 2025-2050. DC BEPS (2018): energy performance mandate. Denver Net Zero EBP (2023). Seattle BEPS. Washington state CETA (2020). Colorado Bldg Performance (2021). California Title 24 continual updates. 15+ jurisdictions active as of 2026.
NYC LL97 specifics?
Buildings >25k sqft covered. Emissions caps by building type (office, residential, hotel, retail each different). 2024-2029 first limits. 2030-2034 tighter. 2035-2039 tighter again. Net-zero 2050. Fine: $268/metric ton CO2e over limit. 100k sqft office 50% over limit: 200-800 tons excess × $268 = $54-214k/year fines. Incentivizes retrofits, electrification, renewable energy procurement.
Compliance pathways?
(1) Reduce building energy use (retrofits). (2) Electrify heating (heat pumps, eliminate fossil). (3) Purchase RECs (renewable energy credits): offset electric grid emissions. (4) On-site renewables (solar). (5) Purchase emissions offsets (limited acceptance). (6) Pay the fine (in tight budgets — some buildings may economically choose fine for 1-2 years). Mix of tactics typical for 2030 compliance.
Financial impact?
Poorly-performing buildings: $200-600k/year fines possible. Well-performing: $0-50k. Real estate values affected: NYC appraisers now discount buildings by expected LL97 fine exposure 2030-2050. Underperformers: 5-20% value hit. Compliance retrofit cost: $30-80/sqft typical for full compliance. Financing through C-PACE, green loans, tax credits (ITC for HVAC electrification 30%+) reduces burden.
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