SEG Solar SEG-575-BTA-BG
SEG Solar SEG-575-BTA-BG
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SEG Solar SEG-575-BTA-BG

SEG Solar SEG-575-BTA-BG

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Returns are free in the first 30 days with no restocking or processing fees, although the customer may be responsible for paying return shipping. See our complete return policy on our Shipping, Delivery, and Returns page linked in the footer of this website.

What’s covered by your return policy?

Our returns policy covers all purchases made through Portlandia Electric Supply. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my order?

All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

What are your financing and payment options?

We offer several ways to pay to make getting your solar kit simple:

Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer

You can arrange financing during the checkout process, or scroll further down this page for more details. Please note, if you'd like to finance your order, you can do so instantly, right at checkout.

How does your Lifetime Customer Support work?

Our legendary lifetime customer support has helped make us the #1 online solar retailer! We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Portlandia Electric Supply equipment, we’ve got you covered: we’re always only a phone call or email away.

SEG Solar SEG-575-BTA-BG 575W N-Type TOPCon Bifacial Solar Panel

Model SEG-575-BTA-BG | N-Type TOPCon | 144 Half-Cell | Bifacial | 1500V System Voltage

575 W
Max Power Output
22.26 %
Module Efficiency
144 Cells
N-Type TOPCon

Product Overview

The SEG Solar SEG-575-BTA-BG 575W N-Type TOPCon bifacial solar panel is designed for projects that demand high performance and long term reliability. As part of the YUKON N Series, this advanced module combines N-Type TOPCon cell technology with a bifacial double glass design to deliver excellent energy yields on commercial, industrial and utility scale systems. With up to 22.26 percent front side efficiency and bifacial gains from the rear, more power is produced from the same roof or ground area. A robust 15 year product warranty and 30 year power warranty support long term investment security for owners and developers. The panel is engineered around 144 half cut monocrystalline cells, which help reduce resistive losses and improve performance under real world conditions. Its 1500 volt system rating, low temperature coefficients and durable double glass construction make it suitable for demanding climates and large string designs. This versatile panel suits rooftop arrays, carports and ground mount systems where dependable high output is required.

Key Benefits

High power density for space constrained sites: A 575 watt output and up to 22.26 percent efficiency allow more generation from limited roof or ground space, helping reduce balance of system costs.

Bifacial design boosts energy yield: The bifacial construction captures light from the rear side, which increases total energy production over the module lifetime, especially on reflective surfaces.

Stable performance in hot conditions: Low temperature coefficients for power and voltage help maintain output during high temperatures, keeping production closer to the rated power on hot days.

Long term reliability and extended warranties: A 15 year product warranty combines with a 30 year linear power warranty that guarantees 87.4 percent output at year thirty, supporting bankable project returns.

Robust mechanical design for harsh sites: Double glass construction, anodized aluminium frame and IP68 junction box enhance durability against moisture, dust, sand and challenging environmental conditions.

How It Works

This module converts sunlight into usable DC electricity through high efficiency N-Type TOPCon monocrystalline cells. Each of the 144 half cut cells is interconnected to create a high power, low loss circuit that operates efficiently across a wide range of irradiance and temperature conditions. The front glass receives direct sunlight, while the rear glass collects additional reflected light from the ground, roof or surrounding surfaces. This bifacial effect increases total energy harvested over the year. The module connects in strings to a compatible solar inverter, which converts the DC power into AC electricity for on site consumption or export to the grid. Integrated junction boxes, diodes and connectors ensure safe, low loss operation throughout the system lifetime when properly installed and maintained.

N-Type TOPCon cell technology: N-Type TOPCon cells use advanced passivated contacts to reduce recombination losses and increase cell efficiency. This structure helps maintain higher output over time, with lower degradation compared to many conventional P-Type cells.

Bifacial double glass construction: The panel features glass on both sides, protecting cells while allowing light to enter from the rear surface. When installed over bright or reflective surfaces, the rear side generates additional power, improving system energy yield without increasing array footprint.

Half-cell, high voltage system design: Half cut cells reduce resistive losses and improve shade tolerance within each module. The 1500 volt system rating allows longer strings, which can lower cabling, combiner and infrastructure costs on large commercial and utility projects.

Technical Specifications

Module Type SEG-575-BTA-BG (YUKON N Series)
Cell Technology N-Type TOPCon monocrystalline, bifacial
Cell Configuration 144 half-cell (182 x 91 mm)
Module Power Range 570 to 585 Wp (this model 575 Wp)
Maximum Power (Pmax) – STC 575 Wp (front side)
Module Efficiency – STC 22.26 % front side
Power Tolerance 0 to +3 % (0 to +4.99 W on series datasheet)
Open Circuit Voltage (Voc) – STC 51.9 V (datasheet nominal 51.73 V)
Short Circuit Current (Isc) – STC 14.01 A (datasheet nominal 13.79 A)
Voltage at Maximum Power (Vmpp) – STC 43.2 V (datasheet nominal 43.82 V)
Current at Maximum Power (Impp) – STC 13.32 A (datasheet nominal 13.12 A)
NOCT Maximum Power (Pmax) – Back Reference 433 Wp (typical back side reference from series datasheet)
NOCT Voltage at Maximum Power (Vmpp) – Back 40.63 to 41.24 V typical range
NOCT Current at Maximum Power (Impp) – Back 10.50 to 10.66 A typical range
Maximum System Voltage 1500 V DC
Maximum Series Fuse Rating 30 A
Bifaciality Factor 80 ± 10 % (series specification)
Operating Temperature Range -40 °C to +85 °C
Nominal Operating Cell Temperature (NOCT) 45 ± 2 °C
Temperature Coefficient of Pmax -0.30 % / °C
Temperature Coefficient of Voc -0.25 % / °C
Temperature Coefficient of Isc +0.046 % / °C
External Dimensions (H x W x D) 2278 x 1134 x 30 mm
Weight 32 kg
Front Glass 2.0 mm anti reflection coated semi tempered glass
Back Glass 2.0 mm semi tempered glass
Frame Material Anodized aluminium alloy
Junction Box Rating and Diodes IP68 junction box with 3 bypass diodes

Certifications & Compliance

Certifications: IEC 61215:2016, IEC 61730:2016, UL 61215, UL 61730, IEC 62804 (PID), IEC 61701 (Salt Mist), IEC 62716 (Ammonia Resistance), IEC 60068 (Dust and Sand), Fire Type 29, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018.
Inverter Compatibility: Compatible with most modern string and central inverters that support 1500 V DC systems and bifacial module designs. String sizing should be completed according to Voc, current and inverter input limits.
Environmental: Double glass, IP68 junction box and certified resistance to salt mist, ammonia, dust, sand and hail support use in coastal, agricultural and desert locations.
Warranty: 15 year product material and workmanship warranty, plus 30 year linear power warranty with an expected output of 87.4 percent of the original rated power at year thirty, based on an average annual degradation rate of approximately 0.42 percent.

Documentation

Product Datasheet (PDF)

● Available | Contact us for lead time and pricing

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Customer Success Stories

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

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Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Be Smart, Buy From an Authorized Dealer

When you choose Portlandia Electric Supply, you’re buying real products from a trusted company with established supplier relationships. Enjoy peace of mind with 100% manufacturer warranty coverage and lifetime customer support. In an age where online shopping is fraught with risks, it’s crucial to avoid fly-by-night websites that skirt regulations. Shop with confidence, knowing you’re getting genuine quality and reliable service.

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