TL;DR
ENERGY STAR Portfolio Manager (ESPM) is the free EPA tool that turns 12 months of utility bills into a weather-normalized Energy Use Intensity (EUI) and a 1–100 score. It's the required first step for nearly every building performance standard (WA, OR) and many utility incentives. Here's how to do it, and where owners get stuck.
Why benchmarking comes first
Benchmarking is the gateway step for every compliance and incentive engagement I take on. Before you can pick a compliance path (or even estimate what compliance will cost) you have to know where the building actually stands relative to its target.
Everything downstream depends on this single number. The EUI is the common currency of building performance standards and utility programs alike, and you can't make a decision about audits, measures, or investment until it's in hand and you're confident it's right.
Step by step
Step 1. Create a free ESPM account at portfoliomanager.energystar.gov.
Step 2. Add your property: enter gross floor area, primary use type, and operating details (hours, occupancy, and so on).
Step 3. Set up energy meters (electric, gas, district, etc.) and enter or auto-upload at least 12 months of complete utility data. Note: in WA and OR, large utilities (over 25,000 customers) must provide automated ESPM upload of customer data; smaller utilities provide an Excel file meeting ESPM specifications.
Step 4. Review your weather-normalized EUI (kBtu per sq ft per year) and, where eligible, your 1–100 ENERGY STAR score.
Step 5. Find your target EUI (EUIt) for your building type to determine your compliance gap.
Step 6. Use the result to choose a compliance path: meet the target directly, or follow the audit/investment pathway your state allows.
Where owners get stuck
Where owners get stuck
The tool is free, but the friction is real, and it's almost always in the data. The recurring problems: utility data gaps where months are missing from the 12-month window; account splits across multiple meters and tenants that have to be reconciled into one whole-building picture; sub-metering inconsistencies that double-count or drop load; and wrong space-use details that quietly skew the score against you. None of this is glamorous, and all of it is exactly where a consultant earns their keep.
From benchmark to plan
Once the building is benchmarked, the EUI gap drives everything that follows: whether you need an ASHRAE Level 2 audit, which measures actually matter, and what compliance is going to cost. The number isn't the end of the work. It's the input to all of it.
In Washington, that gap feeds directly into the Clean Buildings path I walk owners through in the 2026 Clean Buildings guide. If you'd rather hand the whole sequence off, that's what my services are built around.
The bottom line
Benchmarking is unglamorous but decisive. It's data entry and account reconciliation, not engineering theater. And yet it sets the trajectory for every dollar you spend on compliance and every incentive you chase afterward.
Get it right and get it accurate. Everything downstream (the audit scope, the measure list, the compliance cost, the incentive math) is built on top of this one number, and a sloppy benchmark poisons all of it. I do this work the same way every time: clean data in, an EUI you can trust out, and a path you can act on.
Need help benchmarking your portfolio?
Let's get the data clean and the EUI right, so the rest of your compliance plan stands on solid ground.