An Act to Amend Title 26 of the Delaware Code Relating to Portable Solar Generation Devices
Latest Action: March 26, 2026
Balcony Solar in Delaware
Balcony solar bill failed
Verified as of September 25, 2026
Everything you need to know about plug-in balcony solar in Delaware: legal status, tracked bills, statutory wattage limits, utility interconnection rules, and expected monthly solar production.
Legislation Summary
- Status
- Balcony solar bill failed
- Wattage allowed
- Not yet verified
- Wattage tiers
- Not yet verified
- HOA / Condo Protections
- Not yet verified
- Plug-in Battery Storage
- Not yet verified
- Renters & Tenant Rights
- Not yet verified
- Permit & Electrician DIY Status
- Not yet verified
- Utility Interconnection
- Not yet verified
- Bill
- SB 270 - An Act to Amend Title 26 of the Delaware Code Relating to Portable Solar Generation Devices
- Date passed
- Not yet verified
- Date effective
- Not yet verified
Legal Status: Can You Plug In Solar in Delaware?
Current Disposition: Balcony solar bill failed
Delaware has no law addressing balcony solar. Senate Bill 270 (2026) would have created a portable-solar generation-device pathway and directed a safety study. It was assigned to the Senate Environment, Energy and Transportation Committee on March 26, 2026 and received no further action before the 153rd General Assembly recessed.
Tracked Legislation in Delaware
Estimated Solar Energy Production in Delaware
How much electricity will a standard plug-in solar kit produce on a balcony or patio in Delaware? Below are monthly estimates based on local insolation levels:
Standard 400W Kit
~584 kWh
Estimated annual electricity production
Dual-Panel 800W Kit
~1165 kWh
Estimated annual electricity production
| Month | Daily Peak Sun Hours | 400W Kit (1 Panel) | 800W Kit (2 Panels) |
|---|---|---|---|
| Jan | 3.4 hrs | 36 kWh | 73 kWh |
| Feb | 4.2 hrs | 40 kWh | 81 kWh |
| Mar | 4.8 hrs | 51 kWh | 102 kWh |
| Apr | 5.2 hrs | 54 kWh | 107 kWh |
| May | 5.3 hrs | 57 kWh | 113 kWh |
| Jun | 5.6 hrs | 58 kWh | 116 kWh |
| Jul | 5.6 hrs | 60 kWh | 119 kWh |
| Aug | 5.5 hrs | 59 kWh | 117 kWh |
| Sep | 5.1 hrs | 53 kWh | 105 kWh |
| Oct | 4.5 hrs | 48 kWh | 96 kWh |
| Nov | 3.5 hrs | 36 kWh | 72 kWh |
| Dec | 3.0 hrs | 32 kWh | 64 kWh |
| Annual Total | -- | ~584 kWh | ~1165 kWh |
Estimates derived from historical National Renewable Energy Laboratory (NREL NSRDB) solar radiation averages across weather stations in Delaware, modeling an 86% system performance ratio.
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State Incentives & Solar Rights
No specific state-wide financial incentives currently filed for plug-in solar.
Utility Barriers & Interconnection Rules
- Interconnection agreement required
- NEC-compliant installation required
Official Delaware Energy Resources
- Delaware SB 270 - portable solar generation devices (primary)
- Delaware SR 21 - portable solar study (primary)
- DSIRE Delaware (secondary)
Legislative depth
Definition of portable solar generation device
Moveable photovoltaic generation device with a total maximum power output per utility meter of not more than 800 watts; connects through a standard 120-volt AC outlet; intended to offset part of consumption; meets current NEC as adopted by the Office of the State Fire Marshal; certified by UL or equivalent.
Exemption from interconnection unless net metering; UL 1741 anti-islanding
Meeting device is exempt from interconnection requirements, interconnection agreements and net-metering program requirements unless the customer intends to engage in net metering; device must include UL 1741 (or successor) anti-islanding and be installed per the latest revision of IEEE 1547.
26 Del. C. Sec. 1022(b)(1)-(2)
Utility duties, registration system and liability
Utility may not require prior approval, fees (except net-metering interconnection charges) or extra controls; not liable for damage/injury; must establish an online registration system by 2027-01-15 and must prevent registered customers from being charged for excess generation.
DESEU safety study
The Delaware Sustainable Energy Utility must study the safety of portable solar generation devices and report findings and recommendations by 2027-01-01.