Commercial Solar Energy Panels Roof Tiles Efficiency Benefits How Much

Commercial Solar Energy Panels Roof Tiles Efficiency Benefits How Much
Product Details

Specification:

Product name

Solar polycrystalline panel

Model

HQ 250P

Peak power

250W

Panel Grade

A

Panel Efficiency

17.6%

Maximum Power Voltage (Vmp)

30.4V

Maximum Power Current (Imp)

7.89A

Open-Circuit Voltage (Voc)

37.0V

Short-Circuit Current (Isc)

8.35A

Operating temperature

-40?to 85?

Power Tolerance

±3%

Size(mm)

1650*992*45mm

Weight(Kg)

20KG

Front Glass

3.2mm High Transmission, Low Iron,  Tempered Glass

Frame

Anodized Aluminium Alloy

Junction Box

IP67 rated

Output Cables

4.0mm2 single core,Length 900mm

Connectors

MC4 Compatible

Back sheet

PVDF

Certificates

TUV IEC61215 IEC61730 CEC FCC ISO  CE

Guarantee

10-year performance guarantee at  90% power output, 25-years performance guarantee at 80% power output

All technical data at standard test  condition (STC)

AM1.5,1000W/M,25?

Size(mm)

1650*992*45mm

Weight(Kg)

20KG


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How much do solar panels cost? This is undoubtedly the question we`re asked the most, and unfortunately it has no straightforward answer. We decided to pull together all aspects of this question, and write the best resource on the costs of solar panels you will find on the entire Internet.


Residential solar systems are typically sized from 3 to 8kW and end up costing between $15,000 and $40,000. The cost per watt (price inclusive of parts, labor, permitting fees, overhead, and profit) has decreased significantly over the last decade and is now between 6 and 8 ($/W) in many parts of the U.S. Generally, the bigger the system, the lower the cost per watt.


Case Study:

Let`s start by evaluating the solar system costs for a single-family home in Los Angeles, California. To make things simple, this family chose to pay for their solar system in cash – you`ll learn more about other ways to finance a solar system further down on the page.


In order to supply 70% of the household`s electricity consumption, 5,600 kWh per year, we decided to install a 3 kW solar system on their roof.


5,600 kWh is the equivalent to:

6,000 lbs. less in carbon emissions

Planting trees on half an acre

Not driving your car for 7,500 miles 


The calculations below are based on the following assumptions:

Electric bill of $100 per month

Cost per watt at $6.50[1]

Electricity rate at 14.78 cents per kWh[2]

Annual growth of electricity rate at 2.8%[3]

These numbers are all based on recent data from credible sources


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