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Tue01272015

A.D.B. extends $100 million loan for India’s solar power projects

A.D.B. extends $100 million loan for India’s solar power projects

The Asian Development Bank is extending loans of up to $100 million to aid in pr...

Nebraska Supreme Court, House of Representatives supporting proposed Keystone pipeline route

Nebraska Supreme Court, House of Representatives supporting proposed Keystone pipeline route

Despite misgivings from the public and the White House, proponents of the Keysto...

Obama will not sign Keystone Pipeline bill

Obama will not sign Keystone Pipeline bill

President Barack Obama will not sign the Keystone Pipeline bill, saying that it ...

Senvion completes offshore wind farm over Christmas

Senvion completes offshore wind farm over Christmas

Senvion completed the installation of wind turbines for the Nordsee Ost offshore...

Vestas to supply wind turbines in Greece and Chile

Vestas to supply wind turbines in Greece and Chile

Danish wind turbine manufacturer Vestas ended 2014 with two supply contracts: on...

U.N. chief hails results of C.O.P. 20

U.N. chief hails results of C.O.P. 20

United Nations Secretary-General Ban Ki-moon hailed the results of the recently ...

Manufacturer’s perspective on the new U.S. emissions reduction target

Manufacturer’s perspective on the new U.S. emissions reduction target

The United States manufacturing sector may be opting for a more diversified way ...

Business

Technology

Advantage of green cloud computing

Advantage of green cloud computing

Tuesday, 13 January 2015

Green computing is the usage of computing resources in an energy- and resource-efficient manner. Part of it is using computers that have been Energy S...

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Politics

President Obama reiterates the need to act against climate change

President Obama reiterates the need to act against climate change

Thursday, 22 January 2015

No challenge poses a greater threat to future generations than climate change according to United States President Barack Obama President Obama reiter...

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Living Green

How to green clean copper sinks

How to green clean copper sinks

Tuesday, 27 January 2015

Copper sinks are all the rage these days and it's easy to see why-they're gorgeous! My husband loves copper anything and likes when it weathers natura...

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Renewables

A.D.B. provides Thailand with $85 million to develop wind power plant

A.D.B. provides Thailand with $85 million to develop wind power plant

Tuesday, 27 January 2015

The Asian Development Bank will be providing a company in Thailand loans to develop a wind power plant in the country. The A.D.B. has signed an agreem...

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Low-Carbon

Seven eco-friendly home heating solutions

Seven eco-friendly home heating solutions

Friday, 12 December 2014

Environmentally friendly home heating solutions are valuable for the planet, and can lower your utility bills. With the numerous home heating alternat...

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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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