Building performance standards in 2026: deadlines, penalties, and how to stay ahead

For years, energy benchmarking was a disclosure exercise: measure your building, report the number, move on. That era is ending on both sides of the border. In Canada, Ontario, Québec and British Columbia already require large buildings to report, and the federal government is funding more provinces and cities to follow. In the United States, more than 40 cities and states have adopted benchmarking or building performance standards, many with penalties for missing emissions limits.

If you own or manage large commercial or multifamily buildings, the practical question is no longer whether you benchmark. It is whether your data is accurate enough to avoid a penalty and to defend the number if someone asks. We are a Canadian company, so we will start at home.

Start close to home: Canada

Ontario's Energy and Water Reporting and Benchmarking program requires commercial, institutional and multi-residential buildings of 50,000 sq ft and up to report energy and water use to the province each year by July 1, through ENERGY STAR Portfolio Manager. The City of Toronto layers its own bylaw on top and, from 2027, extends mandatory reporting down to buildings of just 10,000 sq ft, pulling in a large number of mid-size buildings for the first time. The City of Montréal goes further still: By-law 21-042 requires large buildings to report energy data by June 30 and now assigns each one a public GHG rating from AAA to F. Vancouver's greenhouse gas intensity limits phase in through 2027, with a $350 per tonne fee above the limit, though the city paused enforcement in May 2026 pending a review.

The federal direction reinforces it. ENERGY STAR Portfolio Manager was adapted for Canada by NRCan and already tracks tens of thousands of Canadian buildings, and Budget 2024 put $73.5 million behind helping provinces and cities stand up benchmarking, disclosure and building performance standards. The Canada Green Buildings Strategy treats mandatory standards as a provincial and municipal tool, so expect more Canadian jurisdictions to adopt them, not fewer. You can check the current rule for your province or city in a few seconds.

Which Canadian deadline applies to you

Most Canadian owners sit inside more than one rule at once, each with its own date and threshold. Filing is the easy part. Knowing which of these covers your buildings, and having the data ready before the month it is due, is what separates a calm July from a scramble.

Toronto council deferred the first mandatory year for buildings between 10,000 and 49,999 sq ft to 2027, so mid-size owners have one more cycle to get their meter data in order. Montreal goes further than disclosure alone: every reporting building receives a published GHG performance rating from AAA down to F, and buildings that do not report, or report incompletely, are published as R, non-reporting. Confirm the current rule for your own address before planning around any of these, because the thresholds and dates have moved more than once.

All three run on the same annual cycle as your Portfolio Manager setup, and each depends on whole-building data being complete for every month of the reporting year.

In the US, the penalties are real and specific

The exact rules vary by jurisdiction, but the direction is consistent: measure, report, and increasingly, perform. A sample of what non-compliance costs today:

New York City's rule is the one most owners have heard of, and it is worth understanding even outside the city, because other jurisdictions have borrowed its structure: how Local Law 97 sets its emissions caps. In Canada the comparable financial pressure arrives through carbon pricing on building fuels rather than a per-tonne charge over a cap.

Sources for the table: Facilities Dive and Envigilance. Colorado's 2026 targets were made non-enforceable goals under a 2025 amendment, a reminder that these programs move quickly and are worth confirming against the current rule in each jurisdiction.

The real cost is the data work

The penalty headlines get attention, but for most teams the recurring cost is the data itself. The single biggest operational expense of benchmarking is staff time spent collecting bills, normalizing formats, entering consumption into Portfolio Manager and troubleshooting data-quality errors. For a portfolio of twenty buildings across five jurisdictions with different deadlines, that labor routinely exceeds $40,000 a year.

How to get ahead of it

The buildings that handle these standards calmly are the ones that treat energy data as a live dataset, not an annual scramble. In practice that means:

1. Know your obligations by address. Requirements are set locally, so a national portfolio can face several different rules at once.
2. Get whole-building data flowing automatically, from bills and, where available, utility data feeds, rather than re-keying it each spring.
3. Validate the inputs before you submit. A wrong meter multiplier or a missing month quietly changes your reported intensity and your emissions.
4. Track your gap to the limit through the year, so a compliance problem is a planning question in Q1, not a penalty in Q4.

MartinAI handles the first mile of that work: reading your bills across every commodity and layout, validating them, and producing the structured, whole-building energy record that benchmarking and emissions reporting depend on.