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Gresham, OR Solar Energy: Panel Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Permit authority
Article 11, Table 11.0204
Small system cap
up to 10 kW
Medium system range
10-100 kW
Large system range
100-500 kW
Screening exemption
small roof-top panels

Summary

Solar energy systems in Gresham require a development permit under Development Code Article 11, with the review level set by a size-based scale, small, medium, or large, before installation.

10.0903 DEVELOPMENT PERMIT REQUIREMENTS FOR RENEWABLE ENERGY SYSTEMS The development permit requirements for renewable energy systems are discussed in Article 11 with review authorities listed in Table 11.0204 unless stated otherwise in the Code.

Full Breakdown

Development Code Section 10.0903 requires any renewable energy system, including solar, to obtain a development permit, with the review authority determined by Table 11.0204 in Article 11. Section 10.0911 sorts installations into three scales: small (roof-mounted parallel to the roofline, or ground-mounted up to 25 sq ft, generating up to 10 kW), medium (up to 225 sq ft ground-mounted or over 10 kW to 100 kW), and large (over 225 sq ft or over 100 kW up to 500 kW). Small roof-top or flat-roof panels installed parallel to the roof are exempt from the equipment-screening rule in Section 10.0904, but ground-mounted and larger systems must be screened from street view and must meet the underlying zoning district's setback and yard standards under Article 4.

Violations & Fines

Installing a solar energy system without the development permit required under Section 10.0903, or exceeding your system's scale thresholds for size, height, or setbacks without the corresponding permit review, puts the installation out of compliance with the Development Code.

Frequently Asked Questions

Do I need a permit for rooftop solar panels in Gresham?
Yes. Section 10.0903 requires a development permit for all renewable energy systems, including solar, with the review level set by Table 11.0204 in Article 11 of the Development Code.
Are small rooftop solar panels exempt from screening in Gresham?
Yes. Section 10.0904 exempts roof-top or flat-roof solar panels installed parallel to the roof from the equipment-screening requirement that applies to other renewable energy equipment.

Sources & Official References

Other rules in Gresham

All Gresham rules

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