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Connecticut

⏳ Enacted — effective Oct 1, 2026Updated June 14, 2026

Plug-In Solar Legal Guide

Connecticut has some of the highest electricity rates in the US (~$0.24/kWh), making payback periods for plug-in solar very attractive. Gov. Ned Lamont signed HB 5340, an omnibus 2026 solar bill, on June 4, 2026. It legalizes one plug-in 'balcony solar' device per household up to 1,200W, with no utility interconnection approval, fees, or added equipment required, provided it meets UL/national safety standards and auto-shuts-off during outages. The plug-in provisions take effect October 1, 2026. The law also streamlines residential solar permitting and extends Renewable Energy Solutions programs through 2035.

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New to plug-in solar?

Plug-in solar lets anyone generate free electricity — no roof, no permit, no contractor. A single panel on your balcony can meaningfully cut your bill, especially as rates keep rising.

Payback Calculator

Pre-filled with Connecticut's average rate ($0.240/kWh) and 4.4 daily peak sun hours. Adjust sliders to match your situation.

Best-fit kits for Connecticut

sorted by your payback period
6yr payback~$3,475 lifetime savings

CraftStrom 400W Eco Line Plug-In Kit

400W Eco Line bifacial panel + ETL/UL 1741 microinverter.

Output
400W
Lifespan
25 yrs
Panel warranty: 25 yr
Inverter: 10 yr
ETLUL1741
$530~$88/yr avg cost
Shop Now →
6yr payback~$7,142 lifetime savings

US Solar Supplier 810W Balcony Kit

Complete kit: Runergy panels, APsystems EZ1, SunModo awning racking.

Output
810W
Lifespan
25 yrs
Panel warranty: 25 yr
Inverter: 12 yr
UL1741IEEE1547
$969~$162/yr avg cost
Shop Now →
6yr payback~$7,012 lifetime savings

PluggedSolar 800W Plug-In Kit

Four 200W panels + UL 1741 microinverter + WiFi monitor. Sold on Amazon.

Output
800W
Lifespan
25 yrs
Panel warranty: 25 yr
Inverter: 10 yr
UL1741
$999~$167/yr avg cost
Buy on Amazon →

Payback estimates use your current slider settings with each product's wattage and price. We earn an affiliate commission on purchases at no extra cost to you.

Default: 4.4h/day (Connecticut avg)
$1,200
$900$2,200
800W
400W1200W
60%
30%100%
$0.240/kWh
$0.080/kWh$0.400/kWh
Rate Escalation Scenario
Year 1 Generation
655 kWh
55 kWh/mo
Year 1 Savings
$157
$13/mo
Payback Period
7 yrs
by year 7
25-Year Savings
$8,011
net $6,811
Panels typically last 25–30 years with a 25-year output warranty. Microinverters carry a 10–25 year warranty depending on brand. Battery modules degrade faster — expect 10–15 years before capacity drops below 80%. The 25-year savings figure above assumes the panel and inverter run for the full window; budget ~$200–$400 for an inverter swap around year 15 if needed.
Cumulative Savings vs. Break-even ($)
Selected scenario2% escalation8% escalationBreak-even
Year-by-year table
YearkWh UsedRateSavingsCumulative
1655$0.240$157$157
2652$0.254$166$323
3649$0.270$175$498
4645$0.286$185$683
5642$0.303$195$877
6639$0.321$205$1,082
7Paid off636$0.340$216$1,299
8633$0.361$228$1,527
9629$0.383$241$1,768
10626$0.405$254$2,022
11623$0.430$268$2,290
12620$0.456$283$2,572
13617$0.483$298$2,870
14614$0.512$314$3,185
15611$0.543$331$3,516
16608$0.575$350$3,866
17605$0.610$369$4,234
18602$0.646$389$4,623
19599$0.685$410$5,033
20596$0.726$433$5,466
21593$0.770$456$5,922
22590$0.816$481$6,403
23587$0.865$508$6,911
24584$0.917$535$7,446
25581$0.972$565$8,011
Calculator AssumptionsSavings estimates are projections based on average sun hours, self-consumption assumptions, and rate escalation scenarios. Actual results vary by roof orientation, shading, usage patterns, and local rate schedules. The federal ITC for residential solar expired December 31, 2025.

Law Summary

Signed
Jun 2026
Effective
Oct 2026
Max size
1200W AC
Rate/kWh
$0.240
Sun hrs
4.4h/day
Utility
Eversource Energy
No permitNo utility approvalNo net meteringITC expired

Verify with your state utility commission before installing. FAQ →

Legal DisclaimerLaws change. Information on this site reflects our best understanding of current statutes as of the date shown. It is not legal advice. Verify requirements with your state utility commission, local building department, and a qualified attorney before installation.

Electricity Cost Trend

6.0%/yr avg — Moderate
Rates up 34% over the past 5 years
From $0.179/kWh in 2021 → $0.240/kWh today. Every year you delay solar, your bills compound.
6.0%
avg. annual increase
Historical avg. residential rate ($/kWh)
$0.179
2021
$0.190
2022
$0.202
2023
$0.214
2024
$0.226
2025
$0.240
2026
20-year projected rate
$0.770/kWh
at 6.0%/yr escalation
Extra you'll pay over 20 yrs*
$4,029
vs. today's rates (1,000 kWh/mo household)
Best time to go solar
Now
Each year of delay = a year of higher grid bills

HOA & Landlord Rules

The #1 real-world blocker for renters & condo owners
Can my HOA block it?
HOA cannot block installation
Protected under: Connecticut solar access provisions (2023 Clean Air Act amendments); plug-in solar provisions in HB 5340 (2026)

Connecticut's 2023 solar access law prevents HOAs from banning solar installations on detached single-family homes outright and requires associations to act on applications within set timeframes, though HOAs may still adopt reasonable rules on size and placement. HB 5340 (2026) goes further by directly authorizing plug-in solar devices statewide, which would reduce HOA discretion specifically over these small 1,200W devices once effective.

Can my landlord block it?
State law unclear on this

HB 5340's plug-in solar provisions are aimed substantially at renters, allowing one 1,200W plug-in device per household without a utility interconnection agreement; this would remove a major barrier renters previously faced, though landlords may retain authority over physical modifications to balconies or exteriors via lease terms.

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Practical tip for Connecticut renters and condo owners: Because plug-in solar requires no permanent installation — just an outlet — it is in a different legal category from rooftop solar. Many HOAs and landlords have not specifically addressed it in their rules. Ask in writing before assuming either yes or no.

Utility: Eversource Energy

Net metering
✓ Eligible
Interconnection
Required
Stance
Neutral stance

Eversource and United Illuminating both participate in Connecticut's Residential Renewable Energy Solutions Program, offering up to 20 years of net metering for qualifying residential systems. Standard interconnection agreements are required for grid-tied systems, and new residential systems interconnecting on or after January 1, 2026 face a new 3.25 cents/kWh non-bypassable charge on exported energy. Under HB 5340, plug-in devices up to 1,200W are explicitly exempted from utility interconnection requirements, approval, and fees - a notable carve-out from the utilities' normal process.

Frequently Asked Questions

Is plug-in solar legal in Connecticut?
Yes. Gov. Ned Lamont signed HB 5340, a 2026 omnibus solar bill, on June 4, 2026. It legalizes one plug-in 'balcony' solar device per household up to 1,200W statewide with no utility approval required, effective October 1, 2026.
Can my Connecticut HOA ban solar panels?
No, not outright. Connecticut's 2023 solar access law (part of Clean Air Act amendments) prevents HOAs from banning solar installations outright on detached single-family homes, though HOAs may set reasonable rules on size and placement and must act on applications within statutory deadlines.
Will I need Eversource or United Illuminating's approval for a small plug-in solar device?
No. Under HB 5340's plug-in provisions, devices up to 1,200W per household are explicitly exempt from utility interconnection agreements, approval processes, and added fees, effective October 1, 2026.
Does net metering apply to small plug-in solar setups in Connecticut?
No. Plug-in devices under HB 5340 are designed to operate outside the formal net metering and interconnection system entirely - they offset your own usage rather than exporting power for credit, which is why no utility approval would be needed.
Electrical Safety WarningPlug-in solar systems involve electrical connections that can cause fire, shock, or property damage if installed incorrectly. Only use UL-listed equipment. Do not modify wiring, exceed outlet amperage ratings, or bypass any safety device. Consult a licensed electrician when in doubt. This site does not provide installation advice.