GoodWe Inverters: An Independent Assessment by Solar Choice

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Overview of GoodWe – Company History

Jiangsu GoodWe Power Supply Technology Co Ltd was based in 2010 in Suzhou, China. In 2012, GoodWe established itself within the Australian market, organising an workplace in Melbourne. GoodWe designs and manufactures inverters for the residential, business, and energy storage markets. GoodWe manufactures inverter sizes starting from 0.7kW to 250kW of each single and three-phase varieties.

GoodWe rapidly grew to be an internationally famend inverter producer, with greater than 1200 workers located in 15 totally different international locations. By the top of 2019, GoodWe had distributed inverters to greater than 100 international locations totaling a worldwide PV set up of 15GW.

GoodWe in 2019 was thought of the most important storage hybrid inverter provider, and a prime 5 single-phase string inverter provider worldwide by Global energy analysis consultancy group Wood Mackenzie. In 2020, EUPD Research awarded GoodWe the Top Brand PV seal in Australia for the second consecutive yr. In February 2020, GoodWe turned the world’s first non-European inverter producer to acquire the distinguished VDE-AR-N 4110-2018 compliance certificates by TÜV Rheinland Industrie Service. Also in September 2020, GoodWe was listed on the Shanghai Stock Exchange.

Following a scrutinuous choice course of, GoodWe has been awarded an unique licensing contract for world gross sales by General Electric (GE).

 

A Brief Rundown on Solar Inverters

A solar system’s inverter is the purpose at which the DC electrical energy produced by solar panels is became grid-compatible AC electrical energy. Typically there are 2 approaches to inverters – both string inverters or micro-inverters

String inverters (comparable to most of GoodWe’s product vary) have historically been the usual within the solar trade. They ship the power produced by solar panels to a central inverter that adjustments it from the DC electrical energy to the usable AC electrical energy that powers properties. Goodwe additionally concentrate on hybrid string inverters which offer the power to cost a battery in addition to use solar power instantly as its created.

Micro-inverters, typically a costlier answer, present a small inverter for every solar panel that’s put in. This implies that every panel operates individually which creates extra visibility over efficiency and might provide some benefits in partly shaded circumstances.

 

GoodWe Inverters – Points of Difference

Range of Hybrid Inverter choices

GoodWe has the most important vary of storage inverters in the marketplace together with single part LV hybrid options (ES, EM), single part AC coupled retrofit options (SBP), single part HV hybrid (EH) and three part HV hybrids (ET).  This makes GoodWe a superb possibility in case you are putting in a battery that requires a hybrid inverter or in the event you plan to maintain your choices open to putting in batteries sooner or later.

Multiple MPP Trackers

Maximum Power Point Trackers (MPPTs) dictate what number of totally different roof orientations a string inverter can deal with. If panels on the identical MPPT are tilted in a different way they are going to solely carry out in addition to the decrease performing panel which is able to affect output through-out the day. GoodWe’s inverters are sometimes chosen as they provide extra MPPTs than their rivals throughout totally different inverter sizes. GoodWe’s MS collection is the one 3 MPPT single-phase inverter within the Australian market. This means if, for instance, you have been hoping to put in panels on the North, West and East sides of your home, your choices can be to make use of a GoodWe MS or use a costlier micro-inverter or power optimiser answer.

DC Oversizing 

DC oversizing refers to putting in extra solar panel capability than the output potential of the inverter. At face worth this looks as if a design like this could possibly be losing some power, however after factoring in effectivity losses and acknowledging that solar panels won’t ever output their nameplate watt score, oversizing by 33% is usually a cost-effective design and is permitted by the Clean Energy Council’s tips. Oversizing past 33% will be advantageous if in case you have a battery put in and might retailer surplus DC energy.

 

Goodwe’s Inverter Range

GoodWe EH Series Hybrid Inverter

The XS Series is GoodWe’s smallest out there inverter concerning the measurement of an A4 piece of paper and solely weighs 5.2kg. It’s a Single-Phase string inverter with 1 MPPT out there in sizes starting from 0.7-3kW. It affords 33% DC oversizing and as much as a max effectivity of 97.6%.

GoodWe XS Series Inverter

The EH Series maximises its capability and large MPPT voltage vary via the 33% DC oversizing functionality. The EH Series is GoodWe’s solely residentially manufactured Hybrid Inverter vary. The EH Series is suitable with excessive voltage batteries, with the ability to be linked to lithium-ion batteries within the 85V to 450V vary.

GoodWe MS Series InverterThe MS Series is GoodWe’s trade main 3 MPPT’s single-phase mannequin out there in 5-10kW sizes. It is a small however highly effective inverter, weighing as much as 22.5kg and providing as a lot as 100% DC oversizing.

Goodwe MT Series inverter commercialThe MT Series is targeted on business purposes with 3-phase fashions as much as 80kW in capability. These inverters characteristic 4 MPPTs and might oversize DC enter by as a lot as 50%.

 

How Much Do GoodWe Inverter’s Cost?

GoodWe inverters are manufactured in China and have reached a big scale of manufacturing that means they can provide cost-effective costs.

Indicative pricing

GoodWe Inverter Model Indicative Price Range
GoodWe XS Series 3KW Inverter $500 to $600
GoodWe DNS Series 5KW Inverter $600 to $800
GoodWe MS Series 10kW Inverter $1,250 to $1,400

Keep in thoughts that inverter prices typically solely run between 10-20% of your whole system, so usually it’s price investing in a high-quality inverter given it will have a big affect on the effectivity and efficiency of your Solar Power challenge.

Compare quotes from as much as 7 installers in your space now.

 

GoodWe Inverter Efficiency

An necessary side of getting probably the most worth out of a solar inverter is to decide on an appropriately sized inverter to optimise the solar panel system effectivity. To learn concerning the significance of inverter sizing and system effectivity click on right here.

Residential inverter effectivity requirements are typically 95 to 98 %, GoodWe inverters meet these requirements. The least environment friendly GoodWe inverter is the NS Series 1kW which nonetheless information a 96.5% max effectivity. Asides from this one inverter all GoodWe inverters have not less than 97% max effectivity.

Numerous GoodWe fashions have over a 98% max effectivity, considered one of these fashions is the SDT Series 10kW. This Three-Phase Dual-MPTT string inverter has a 98.3% max effectivity, making it one of many trade’s extra environment friendly inverters.

 

GoodWe Inverter Warranties

In Australia, all CEC accepted GoodWe inverters include a typical 5-year producer’s guarantee. For the DNS and MS collection Goodwe affords a further 5 years the place they are going to substitute the ‘parts-only’. In years 5 to 10 the shoppers would obtain the alternative components totally free, however would nonetheless be required to pay for supply, all labour prices and any taxes/duties.

In 2019 Goodwe launched a web-based guarantee extension service. Customers can conveniently lengthen their guarantee durations as much as 25 years relying on the mannequin of the inverter, just by getting into the serial quantity through their on-line portal and following the prompts. This must be executed inside 6 months for a inverters above 25kW in capability and inside 2 years if beneath 25kW in capability

 

The Limitations of Goodwe’s Inverters

GoodWe inverters gained’t carry out in addition to micro-inverters or power optimiser options in partly shaded circumstances. If there are bushes above your roofline on the North, East or West aspect of your home then it will be price discussing the professionals and cons of an alternate options with Solar Choice earlier than making a call on expertise.

Additionally the 5 yr full guarantee provided by GoodWe is quickly turning into one of many shortest inverter warranties provided in Australia with most of the rising Chinese firms providing a typical 10-year guarantee. As we’ve mentioned beforehand, a guaranty is just price one thing if the corporate offering it’s nonetheless round and there may be an accessible path to claiming it in case your Solar Installer is now not round – by all out there measures GoodWe seems to be a superb guess.

 

A Full Range of GoodWe Inverters Available in Australia 

The majority of GoodWe’s Inverters are accepted by the Clean Energy Council for the Small-scale Renewable Energy Scheme, which is Australia’s home solar rebate program.

The following GoodWe Inverter Series & sizes are CEC accepted:

 

Goodwe Solar Inverters Pros and Cons

Pros

  • Goodwe have one of many greatest ranges of inverters together with hybrid choices catering to virtually each doable set up sort
  • Goodwe’s  MS collection characteristic 3 MPPTs which makes them excellent for installations the place panels are being put in on 3 totally different orientations
  • Over 10 years buying and selling historical past within the Australian market

Cons

  • The 5 years full guarantee with a further 5 years ‘parts only’ is just not as useful as a full 10 yr guarantee which is obtainable by another solar inverter producers

 

Comparison of Common Residential GoodWe Inverters

  GoodWe XS Series 3kW GoodWe DNS Series 5kW GoodWe MS Series 10kW
Rated AC Power Output 3,000W 4,999W 10,000W
Maximum Continuous Output Current 14.3A 21.7A 45.5A
Maximum DC Power 3,900W 6,650W 13,500W
Number of MPPTs 1 2 3
Maximum Inverter Efficiency 97.6% 97.8% 97.7%
Dimensions  295 x 230 x 113 mm 354 x 433 x 147 mm 511 x 415 x 175 mm
Weight 5.8kg 13kg 22.5kg
Warranty 5 Years 5 Years 5 Years
Operational Temperature Range -25°C to 60°C

 

-25°C to 60°C

 

-25°C to 60°C

 

Made in China China China

The Future of GoodWe

GoodWe have knowledgeable us that they are going to be launching a brand new premium GE branded vary of inverters into the Australian market in November 2020. GE will present its personal service, gross sales and advertising whereas GoodWe will manufacture the merchandise and distribute them.

In the business house, GoodWe are hoping launch their HT Series together with inverters from 100kW to 136kW in capability. The 136kW mannequin is boast a formidable 12 MPPTs and 1100v dc enter. They additionally count on to enter the utility-scale market inside the subsequent 2 years with a 1500v 250kW inverter presently underneath growth.

 

Example of a GoodWe Commercial Solar Project 

In March 2020 the most important solar power plant within the state of Espirito Santo, Brazil commenced operation. The plant is positioned on two campuses of the state’s largest college, Universidade Federal do Espirito Santo (UFES).

The power plant will generate roughly 7.7 million kWh of electrical energy a yr. This will scale back the most important campus’s electrical energy consumption by virtually 50% and scale back the college’s whole power consumption by 30%. Due to the system’s measurement, the preliminary funding shall be paid again in lower than 5 years.

The inverters used on this power plant system are from the GoodWe MT Series. This business inverter is right for large-scale roof and power vegetation. The MT Series is available in 50-80kW sizes, it’s a three-phase string inverter with 4 MPPT’s that may obtain a max effectivity of 98.8%.

largest PV power plant project in Brazil’s Espirito Santo

Read extra product critiques from Solar Choice

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Reviews from Australians who’ve put in Goodwe Inverters

Rated 4.54 from 13 critiques

sixth May 2022

Paul

8kW system

sixth May 2022

Daniel

6kW system

thirteenth April 2022

Lifu

6kW system

thirteenth April 2022

Catherine

10kW system

twenty first March 2022

Peter

6kW system

once more, while no account has been rendered but, there’s been no drawback with the operation of the system to this point.

eighth February 2022

Aldo

WA – 6064

6kW system

twenty fourth November 2021

James

6kW system

The panels themselves are working nicely, however there’s a communication fault within the Goodwe Inverter which 6 months after I reported it has nonetheless not been rectified NW Solar Power. I’ve needed to put WA Consumer Protection on to them to drive them to take motion to rectify the fault.

twenty sixth July 2021

Phil

VIC – 3461

6kW system

twenty first July 2021

David

QLD – 4570

10-15kW system

eighth July 2021

Peter

6kW system

1st July 2021

Alual

6kW system

4th June 2021

Peter

WA – 6020

6kW system

twenty second May 2021

6kW system

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