Public demo

A sample ledger so $268 a ton is not abstract.

Two fictional covered buildings — a Midtown office and an Upper East Side market-rate co-op. Same statute, different language. No login.

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Covered building

Midtown East office — sample

418 Lexington Avenue · Manhattan

BBL
1-01315-0024
Occupancy
Group B office, single tax lot
GSF
280,000
Reported emissions
2,576.0 tCO₂e
Intensity
0.00920 tCO₂e/sf

Illustrative covered office. Not a real customer. Coefficients are the published LL97 Group B limits.

Emissions versus cap

The $268/ton arithmetic

$268 × tons over cap

2024–2029

207.2 t over · $55,530

Cap
2,368.8 t
Emissions
2,576.0 t

2030–2034 cliff

1,307.6 t over · $350,437

Cap
1,268.4 t
Emissions
2,576.0 t

First-period penalty

$55,530

207.2 t × $268

2030 penalty if unchanged

$350,437

1,307.6 t × $268

Compliance OS

$8,400

$0.03 / GSF / year

Commercial illustration · not an appraisal

Treat the 2030 overage of $350,437 as stabilized NOI at a 5.5% cap rate and the implied value is $6,371,578. Example only. Not a guarantee the penalty is eliminated.

Filing status

May 1, then sixty days

  • Last report2024 report filed 30 Apr 2025
  • Next due2025 report due 1 May 2026
  • Grace60-day grace to 30 Jun 2026
  • StatusIn preparation

Miss-file on this GSF is $140,000 per month at $0.50/sf — a separate clock from the $268/ton emissions penalty.

Recommended measures

What the OS puts on the page

  1. 01 · Close the 2024–2029 gap first

    Compliance

    The building is only ~207 t over the first-period cap. Lighting, controls, and operating hours are the cheap tons.

  2. 02 · Plan the 2030 cliff as a capital event

    Power

    Same emissions against the 2030 cap is a ~$350k annual overage. That is the Power conversation — not a one-year retrofit punch list.

  3. 03 · Turn the vacant third-floor plate into storage

    Power

    Indoor Li-ion is generally 400 kWh per Fire Code control area. Zombie floor and electrical rooms are the site, not the roof.

  4. 04 · Peak-shave against the Con Edison account

    Power

    Verified avoided overage is one stack. Demand and grid services are the other. Both sit inside the ESA.

  5. 05 · Do not miss the file

    Filing

    May 1 annual report, grace to June 30. Miss-file is $0.50/sf/month — on 280,000 GSF that is $140,000 a month before any emissions penalty.

48-hour first pass

Your building is not this sample.

Request feasibility with the real address. Forty-eight hours to a first pass. Estimates only; FDNY and DOB still govern storage.

Request feasibility