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The More You Power Up, The More You Save This Labor Day!

Buy more and save more during our Labor Day sale! Enjoy 3% off sitewide and in-store on orders under $5,000. Once you hit $5,000, you’ll receive $150 off plus $75 flat-rate shipping. Spend $7,000 to get $250 off and free shipping, or $10,000 or more to get $500 off and free shipping. Stock up on top solar products now!

Even more ways to save! Stock up and shine brighter with our $99 panel Labor Day sale featuring Waaree Solar, URE Peach, and Eco-Worthy solar panels. Enjoy special Labor Day deals, too!

Don’t miss our special flash sale deals happening during Labor Day! End summer strong with Labor Day savings!

Now’s the time to save – before federal tax credits end at the close of the year. Hurry, these offers won’t last! Exclusions apply.

Labor Day Solar Panels Only $99!

$99 solar panel sale! Featuring Waaree Solar, URE Peach, and Eco-Worthy solar panels. Stock up before the end of summer!*

EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
Sold out
EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
Sold out
EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output
Sold out
EG4 12kPV Hybrid Inverter | 48V | 12000W Input | 8000W Output | 120/240V Split Phase | RSD | All-In-One Hybrid Solar Inverter
Sold out

Buy More And Save On Top Solar Products

Get 3% off sitewide on orders under $5,000. When you spend $5,000, you’ll receive $150 off plus $75 flat-rate shipping. Spend $7,000 to get $250 off and free shipping, and $10,000 or more to get $500 off and free shipping.*

EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
Sold out
EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
Sold out
EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output
Sold out
EG4 12kPV Hybrid Inverter | 48V | 12000W Input | 8000W Output | 120/240V Split Phase | RSD | All-In-One Hybrid Solar Inverter
Sold out
EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
Sold out
EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
Sold out
EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output
Sold out
EG4 12kPV Hybrid Inverter | 48V | 12000W Input | 8000W Output | 120/240V Split Phase | RSD | All-In-One Hybrid Solar Inverter
Sold out

Special Low-Price Labor Day Deals

Enjoy these special Labor Day deals! Shop the items below and get major savings on high-quality solar products.*

EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
Sold out
EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
Sold out
EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output
Sold out
EG4 12kPV Hybrid Inverter | 48V | 12000W Input | 8000W Output | 120/240V Split Phase | RSD | All-In-One Hybrid Solar Inverter
Sold out
EG4 FlexBOSS21 Hybrid Inverter | 48V Split Phase | 21kW PV Input
Sold out
EG4 LifePower4 V2 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Pre-Assembled Enclosed Rack | With Door & Wheels | Welded
Sold out
EG4 12000XP Off-Grid Inverter | 48V Split Phase | 24kW PV Input | 12kW Power Output
Sold out
EG4 12kPV Hybrid Inverter | 48V | 12000W Input | 8000W Output | 120/240V Split Phase | RSD | All-In-One Hybrid Solar Inverter
Sold out

Explore All Panel Deals

Save On Top Products

Labor Day Deals

Browse Top Batteries

Promotion Exclusions

  • 3% Off Sitewide
    • Discounts are non-stacking and shipping discounts applies to contiguous 48 states.
    • Chiko Carports and Ground Mounts are exlcuded from shipping discounts.
  • $99 Solar Panel Sale
    • $99 solar panel sale only applies to:
      • Waaree Solar 380W Mono PERC Solar Panel
      • URE Peach 390W Solar Panel
      • Eco-Worthy 100W 12V Bifacial Solar Panels | Pack of 2
      • Waaree Solar 405W Mono PERC Solar Panel
    • Sale does not apply to solar panel pallets.
  • Special Labor Day Deals
    • Special Labor Day deals only for products in the Labor Day Deals category.
  • Labor Day Flash Sales:
    • Flash sale discount at cart. Limited time offer. Special customer groups are excluded.
  • Returns on discounted products will be refunded at the price paid, subject to Signature Solar’s return policy.
  • This offer, including shipping promotions, is only valid for general customers. It does not apply to installers, wholesalers, or other special customer groups.
  • Offers are valid while supplies last and may change without notice.
  • For questions, please contact support@signaturesolar.com.
  • Signature Solar reserves the right to modify or cancel promotions at any time.
  • Orders must be placed and completed during the promotion period to qualify.
  • Standard exclusions apply.