Plug-in solar in Utah
Utah enacted HB 340 in 2025 and now expressly exempts portable solar generation devices from interconnection and net-metering requirements.
What HB 340 actually allows
System size
Up to 1,200W AC
UL 1741 certification required.
No utility approval
Interconnection waived
No application to your utility required. Self-installation with listed equipment is sufficient.
Where HB 340 stands right now
Introduced
Committee
Floor Vote
Signed
Mar 25, 2025
Takes effect
May 1, 2025
Now in effect
Utah HB 340 took effect, establishing the legal framework for portable solar generation devices and exempting them from interconnection and permitting requirements.
Legislative history
May
1
2025
Utah HB 340 took effect, establishing the legal framework for portable solar generation devices and exempting them from interconnection and permitting requirements.
Mar
25
2025
Governor Spencer Cox signed HB 340 (Solar Power Amendments) into law, completing the enactment of plug-in solar protections for Utah residents.
Feb
28
2025
The Utah Senate passed HB 340 on third reading by a vote of 26–0, sending the bill to the governor.
Feb
19
2025
The Senate Transportation, Public Utilities, Energy, and Technology Committee issued a favorable recommendation on HB 340.
Feb
18
2025
HB 340 was referred to the Senate Transportation, Public Utilities, Energy, and Technology Committee after receiving its first reading in the Senate.
Feb
13
2025
The Utah House passed HB 340 on third reading by a vote of 72–0, sending the bill to the Senate.
Feb
4
2025
The House Public Utilities and Energy Committee issued a favorable recommendation with substitute on HB 340.
Feb
3
2025
HB 340 was referred to the House Public Utilities and Energy Committee.
Jan
28
2025
Representative Raymond P. Ward introduced HB 340 (Solar Power Amendments) in the Utah House during the 2025 General Session.
What an 800W system saves in Utah
Monthly savings
$13
Annual savings
$161
Payback period
~8 yrs
Based on 12.04¢/kWh avg rate · 800W system · 5.6 peak sun hours/day
Products Available in Utah
These plug-in solar systems are certified for use in Utah under HB 340. All meet the UL 1741 standard and plug into a standard 120V outlet — no electrician or permit required.
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