Market Guide

Commercial Building Energy Requirements in Seattle

Utility rates, compliance regulations, and benchmarking requirements for commercial real estate in Seattle, Washington.

Average Commercial Utility Rates

$0.11Electric Rate

$0.11/kWh

$1.15Gas Rate

$1.15/therm

Stable

Relatively stable; Seattle City Light hydro power keeps electric rates low

Energy Regulations & Compliance

Seattle BPS (Clean Buildings Act compliance)

Active

GHG-based building performance standards with aggressive reduction targets. Among the strictest in the nation.

Threshold

20,000 sqft

Deadline

April 1 annually (benchmarking); BPS compliance varies by building size

Penalty

Up to $10 per sqft annually for non-compliance

WA Clean Buildings Performance Standard

Expanding

State-level BPS requiring EUI targets for large commercial buildings, phasing in by building size.

Threshold

50,000 sqft (Phase 1); expanding to 20,000 sqft

Deadline

June 1, 2026 (50k+); 2028 (20k+)

Penalty

Up to $5,000 plus $1 per sqft per year

Compliance Timeline

April 1 annually (benchmarking); BPS compliance varies by building size

Seattle BPS (Clean Buildings Act compliance) — 20,000 sqft

June 1, 2026 (50k+); 2028 (20k+)

WA Clean Buildings Performance Standard — 50,000 sqft (Phase 1); expanding to 20,000 sqft

Utility Providers

Seattle City Light

Electric

Puget Sound Energy

Electric & Gas

Benchmarking Requirements

Benchmarking is required

Building Threshold

20,000 sqft

Filing Deadline

April 1 annually

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