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U.N. chief welcomes announcements made in Climate Summit

U.N. chief welcomes announcements made in Climate Summit

United Nations Secretary-General Ban Ki-moon welcomed bold new actions to addres...

Climate Summit sees intiatives and commitments

Climate Summit sees intiatives and commitments

Various bodies and entities on the Climate Summit in New York have announced the...

Climate Rally reaches 310,000 participants

Climate Rally reaches 310,000 participants

The number of people who joined the People’s Climate March this September 21 rea...

China takes big step in reducing ozone depleting gases

China takes big step in reducing ozone depleting gases

China has taken a big step towards reducing its hydrochlorfluorocarbons by closi...

Ozone layer on road to recovery – U.N.E.P., W.M.O.

Ozone layer on road to recovery – U.N.E.P., W.M.O.

The ozone layer is on the road to recovery, but unified action is still needed t...

Green vacation: Go on an eco-friendly safari

Green vacation: Go on an eco-friendly safari

The primary goal of modern-day eco-friendly African safaris is to lessen the ove...

Nepal, the Maldives, and Bhutan could lose around 2 percent G.D.P. due to climate change – A.D.B. report

Nepal, the Maldives, and Bhutan could lose around 2 percent G.D.P. due to climate change – A.D.B. report

Nepal, the Maldives, and Bhutan could be looking at economic losses of around 2 ...

Business

Technology

New oxygen-removing catalyst developed for better biofuel production

New oxygen-removing catalyst developed for better biofuel production

Thursday, 23 October 2014

Researchers from Washington State University have developed a new catalyst that can remove oxygen from plant-based materials for a more efficient biof...

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Politics

New Yorkers support renewables, opposes fracking – N.R.D.C. poll

New Yorkers support renewables, opposes fracking – N.R.D.C. poll

Sunday, 12 October 2014

A state-wide poll commissioned for the Natural Resources Defense Council reveals that New Yorkers oppose fracking and support clean, renewable energy....

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Living Green

Why saving chinchillas is important for saving the earth

Why saving chinchillas is important for saving the earth

Friday, 24 October 2014

Chinchillas make expensive pets and they are a long time commitment as well. They have a life span of around 15 to 20 years. Hence, people who adopt t...

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Renewables

Low-Carbon

What needs to be injected In the core DNA of urbanity

What needs to be injected In the core DNA of urbanity

Thursday, 23 October 2014

Urbanization has taken an unprecedented upward turn in recent years. In 2007, half of the world’s population – around 3.6 billion people – lived in ur...

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Opinion

Unsustainable urban life: What's next?

Unsustainable urban life: What's next?

Wednesday, 11 June 2014

Nutrition plays a critical role in everyone’s chance at a better future. Hunger, said Benjamin Franklin once, is the best pickle. Some say “pickle”...

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Company which makes PV panel boosters gets $18 million investment


A California-based company which makes electronics that can improve how solar panels convert sunlight into energy by as much as 20 percent raised $18 million in its fourth financing round as it expands manufacturing and international sales.

Tigo Energy makes power optimizers about the size of a computer modem which are installed on the back of each solar panel in an array. A single device, called a maximizer management unit, calculates the optimal performance of the solar array and "tunes" each panel to achieve it.

Proceeds from the series D could support Tigo's current partnerships with companies that have agreed to install its device into their solar products.

In October, the company announced that Trina Solar, the fourth largest solar panel company worldwide, Hanwha Solar and Upsolar will offer Tigo-optimized solar panels, broadening the company's reach in the market more quickly. The system has versions for utility, commercial and residential solar installations.

The current round brought the company's total venture capital funding to just over $50 million. The round was led by Bessemer Venture Partners and joined by all existing investors including Inventec Appliances, Clal, Matrix Partners and OVP Venture Partners.

"Tigo Energy has a winning solution that has attracted many of the world's largest PV suppliers," said Lucinda Stewart, managing director at OVP. "Tigo Energy's technology helps customers of solar installations earn the most out of their investment, and we're pleased to continue to support the company's strong growth."

Power optimizer

In a typical solar array, panels are connected together in a series to form groups wired to the inverter - converting direct current to usable alternating current. Though this set-up helps in making installation easier, the disadvantage is that weak-performing panels can drag down the power production of the array.

Micro-inverter systems have been introduced as an alternative to central inverters by installing a small, efficient inverter on each panel. These devices also can optimize solar panels, but not as closely as power optimizers, according to Tigo.

The company said the Energy Maximizer uses algorithms and software based on real-time conditions to accurately compute the adjustments in each panel. Micro-inverters are said to base calculations on averages. (Oliver M. Bayani)



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