State Tracker

South Carolina

SC

H 4579 — Plug-In Solar Device Access Act

Pending
Current Status
Last verified: March 2026

Legislative Status

In House Labor, Commerce and Industry Committee. No committee vote yet.

Sponsored by: Rep. Robby Robbins

Legislation Progress

In Committee

30%

pipeline complete

Introduced
In Committee
Passed Committee
One Chamber
Both Chambers
Gov. Desk
Enacted

Passage Likelihood

30%

In committee with no vote yet. South Carolina has a Republican trifecta. The bill has Republican sponsors but utility opposition from Dominion Energy SC is strong. Short session ends May 7.

Session Deadline

May 7, 2026

Legislative calendar cutoff

Expected Timeline

Committee vote needed by April to have any chance of floor passage before May 7. Passage in 2026 is unlikely without committee action soon.

Key Provisions

Would exempt certified plug-in solar devices from utility interconnection requirements.

What This Means for You

What You Can Do

If passed: self-install without Dominion Energy SC or Duke Energy Carolinas approval.

Current Limitations

Law not yet enacted. South Carolina utilities currently require interconnection agreements.

Available Rebates & Incentives

South Carolina 25% state solar tax credit (capped at $3,500/year, $10,500 total over 3 years). Santee Cooper Rooftop Solar Rebate Program for Santee Cooper customers. Property tax exemption for renewable energy systems. The federal 30% ITC (Section 25D) expired December 31, 2025.

Official Bill Reference

In House Labor, Commerce and Industry Committee (2026)
View Full Bill Text — H 4579

Opens official state legislature website in a new tab.

South Carolina Solar Data

Avg. Electricity Rate13.6¢/kWh
TOU Peak Spread
4¢/kWh
Est. Annual Savings~$165/yr
Last UpdatedMarch 2026

A 4¢/kWh TOU spread offers modest peak-shifting value. Battery storage adds some savings here, but the primary benefit is backup power during outages.

Calculate SC Savings
Get Notified

South Carolina Legislation Alert

Be the first to know when South Carolina's plug-in solar bill advances, passes, or is signed into law.

No spam — only legislation updates for South Carolina. Unsubscribe anytime.

This information is for educational purposes only. Laws change frequently. Consult a local attorney for legal advice specific to your situation.