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Published on February 15th, 2012 | by Andrew

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Land of the Rising Sun: Japan’s Surging Sales of Residential Solar PV



 
Japan Solar PV Sales From wind and geothermal power to fuel cells, the Great East Japan Earthquake that occurred March 11 off the coast of Fukushima — along with much longer standing energy security concerns — has revitalized clean and renewable energy prospects in Japan. Smoothing the way forward is the introduction of a national feed-in tariff that’s slated to go into effect on July 1 this year.

Once the world leader in use of solar photovoltaic (PV) energy, solar PV is once again coming on strong in Japan. Domestic sales of solar PV cells rose 30.7% year-over-year in 2011 to 1,296 MW, the first time they’ve exceeded 1 gigawatt (GW), according to the Japan Photovoltaic Energy Association (JPEA), which noted that government incentives for homebuyers installing solar energy systems boosted the total. As can be seen in the following chart, residential solar PV installations far and away account for the largest share of Japan’s solar PV installations.

According to market researchers at the Yano Research Institute, Japan’s domestic market for PV power generation systems is expected to grow to 1,725 billion yen (about US$ 22.4 billion) from fiscal 2011-2020, a 263.2% increase.

Growing worldwide demand for solar energy systems and technology is also helping Japanese manufacturers. Though October-December sales were weak, Japanese solar PV cell exports rose 1.2%, to 1,462 MW for 2011 as a whole, Reuters reported. A chart from JPEA shows total Japan solar PV shipments and destinations from 1981-2010.

FiT Centerpiece of Japan’s Renewable Energy Drive

In addition to its human and environmental costs, the nuclear power disaster at Tokyo Electric Power’s Dai-ichi plant in Fukushima is having dramatic repercussions on Japan’s electricity production and energy security. Only 4% self-sufficient in meeting its energy needs, only three of Japan’s 54 nuclear power plants are now operating, and all of them could be shut down by April should restart approvals be denied. That’s drastically increased Japan’s reliance on fossil fuel imports, the bill for which is increasing $30 billion a year, Reuters notes in its report.

Counting on increased nuclear power capacity to meet more of its domestic energy needs, the Dai-Ichi nuclear disaster prompted an abrupt reversal in national energy policy. Japan’s now moving forward with a broad-based drive to increase use of clean, renewable energy resources, the center piece of which is its national feed-in tariff (FiT).

Officially known as the “Law on Special Measures Concerning Procurement of Renewable Energy Sourced Electricity by Electric Utilities,” Japan’s feed-in tariff (FiT) includes solar PV, wind, small and medium-scale hydropower, geothermal, and biomass.

As explained on the Japan for Sustainability website, the FiT law requires Japanese electric utilities to purchase electricity generated from renewable energy sources at set prices that cover costs plus a margin over a set period of time. Electric utilities will be allowed to levy a surcharge based on customers’ usage to recoup the additional cost. The new FiT law also includes measures intended to avoid regional surcharge imbalances.

FiT surcharges and electricity rates are to be reviewed at least every three years, with surcharges to be reduced 80% or more for energy-intensive industries, such as steel and chemical manufacturing. The Japanese government was also reportedly considering using revenue from taxes on petroleum and coal to reduce and make up for exempted surcharge revenue, according to Japan for Sustainability.

Japan’s FiT and Solar PV

When it comes to solar PV systems, the FiT is aimed at factories and other facilities that generate 10 kW or more of electricity as opposed to smaller units for residences, which will be applied for excess electricity purchasing. The FiT for residential solar PV systems is to be ten years and 15-20 years for other renewable power generation systems.

As Japan for Sustainability points out, “Residential solar panels are now sold at high-volume home-appliance retailers, rapidly boosting the number of households that are installing solar panels on their roof. Both the national and local governments have subsidy programs for PV power generation systems, but some local governments have already exhausted their funds for these programs because residents rapidly snapped up the subsidies.”

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About the Author

I've been reporting and writing on a wide range of topics at the nexus of economics, technology, ecology/environment and society for some five years now. Whether in Asia-Pacific, Europe, the Americas, Africa or the Middle East, issues related to these broad topical areas pose tremendous opportunities, as well as challenges, and define the quality of our lives, as well as our relationship to the natural environment.



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  • http://k.lenz.name/LB Karl-Friedrich Lenz

    There are a couple of problems with this new feed-in law.

    For one, all the important decisions are delegated to Ordinance of the Minister for Economy, Trade and Industry. That is not yet done, so right now people have no clue what kind of tariffs will be in place come July. That of course makes it impossible to write any business plan or request funding for bigger projects.

    One other problem is with Article 17, which contains the exception for energy intensive industry. To be precise, each enterprise will apply separately for this status. And they get it if their energy intensity is over 8 times that of the average of all industry of Japan.

    That of course is an incentive to *raise* energy intensity if some company is on the borderline. Not compatible with any reasonable energy plan, which all try to raise efficiency.

    I am in the process of translating this law into English, please google for “Japanese feed-in law translation” if you are interested.

  • David A

    Great essay. I would like to add that thanks to the open competition, the solar panels prices went down. Although it seems that Japan is given some preference, the standards of Chinese manufacturer are no less in quality. You guess right, we bring high quality UL, CEC certified panels that make solar affordable. So give us a chance too.
    David
    Envision Green Technologies
    San Jose,
    California (cross the sea from Japan)

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