What is solar panel efficiency rating?

What is solar panel efficiency rating?

Solar panel efficiency rating is a measure of the amount of sunlight that a solar panel can convert into usable electrical power. It is expressed as a percentage, and the higher the percentage, the more efficient the solar panel is.

Solar panel efficiency is determined by a number of factors, including the type of solar cell technology used, the quality of the materials used in the solar panel, and the design and construction of the panel itself. Different types of solar cell technologies have different efficiencies, with some being more efficient than others.

The most common type of solar cell technology used in residential and commercial solar panels is silicon-based photovoltaic (PV) cells. These cells are typically categorized into three main types:

  1. Monocrystalline silicon solar cells – These solar cells are made from a single crystal of silicon, which is grown in a cylindrical shape. They are the most efficient type of solar cell, with an efficiency rating of up to 24%.
  2. Polycrystalline silicon solar cells – These solar cells are made from multiple crystals of silicon that are melted together. They are less efficient than monocrystalline silicon solar cells, with an efficiency rating of up to 21%.
  3. Thin-film solar cells – These solar cells are made from layers of different materials, such as amorphous silicon, cadmium telluride, or copper indium gallium selenide. They are less efficient than crystalline silicon solar cells, with an efficiency rating of up to 12%.

Solar panel manufacturers typically provide an efficiency rating for their solar panels based on standard testing conditions. These conditions include a specific amount of sunlight (1000 watts per square meter), a specific temperature (25°C or 77°F), and a specific air mass (AM 1.5). The efficiency rating provided by the manufacturer is an estimate of how much electricity the solar panel can produce under these standard testing conditions.

It’s important to note that the efficiency rating is not the only factor to consider when choosing a solar panel. Other factors, such as the cost of the solar panel, its durability and warranty, and the overall system design, should also be taken into account.

In summary, solar panel efficiency rating is a measure of the amount of sunlight that a solar panel can convert into usable electrical power. It is determined by a number of factors, including the type of solar cell technology used, the quality of the materials used, and the design and construction of the panel itself. The efficiency rating provided by the manufacturer is an estimate of how much electricity the solar panel can produce under standard testing conditions.

At NewCo, we use the best Monocrystalline solar panels on the market that come with a minimum of a 20% efficiency rating, 25 year warranty for materials and workmanship, and a 30 year warranty for extra linear power output. Our panels are exclusive to our National Install partner which means that we have a healthy inventory of panels in this very volatile market, best overall value, and long term warranty for both workmanship and power output. 

TSP Norfolk
3719 E. Virginia Beach Blvd.
Norfolk, VA 23502

TSP Raleigh
150 Dominion Dr.
Morrisville, NC 27560

TSP Charlotte
1201 Carrier Dr.
Charlotte, NC 28216

TSP Greenville
3130 River Rd.
Piedmont, SC 29673

TSP Charleston
5081 Coosaw Creek North
Charleston, SC 29420

TSP Grayson
2255 Loganville Hwy., Suite A.
Grayson, GA 30017

TSP Miami
10050 NW 116 Way
Miami, FL 33178

TSP Orlando
901 Armstrong Blvd.
Kissimmee, FL 34741

TSP Tampa
13620 49th St.
Clearwater, FL 33762

TSP Jacksonville
4737 Dellwood Ave.
Jacksonville, FL 32205

TSP Pensacola
8124 Opportunity Dr.
Milton, FL 32571

TSP Chicago
2108 McDonough St.
Joliet, IL 60436

TSP Kansas City, MO
10452 Baur Blvd.
Olivette, MO 63132

TSP McAllen
1200 Jasmine Ave.
McAllen, TX 78501

TSP Houston
12511 Taylor Rd.
Houston, TX 77041

TSP San Antonio
4223 Dividend Rd.
San Antonio, TX 78219

TSP Austin
365 Warehouse Dr.
Buda, TX 78610

TSP Dallas
2125 Vanco Dr.
Irving, TX 75061

TSP El Paso
10812 Notus Lane.
El Paso, TX 79935

TSP Albuquerque
8509-8519 Jefferson St.
Albuquerque, NM 87113

TSP Denver
5001 Oakland St
Denver, CO 80239

TSP Tucson
3828 S Evans Blvd.
Tucson, AZ 85714

TSP Mesa (Headquarters)
2505 W. Baseline Rd.
Mesa, AZ 85210

TSP Yuma
4450 E 40th St.
Yuma, AZ 85365

TSP Salt Lake City
722 South 5300 West
Salt Lake City, UT 84104

TSP Las Vegas
3570 W Post Rd
Las Vegas, NV 89118

TSP Ontario
3325 Shelby St
Ontario, CA 91764

TSP Valencia
28318 Constellation Rd
Valencia, CA 91355

TSP Oakland
3032 Market St
Oakland, CA 94608

TSP Saramento
1600 Raley Court, Suites 50 & 60
Sacramento, CA 95691

TSP Reno
96 Glen Carran Cr, Unit #106
Sparks, NV 89431