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Solar Ark

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Science museum in Gifu, Japan
The Solar Ark
The Solar Ark inside Sanyo Electric Co., Ltd. Gifu Plant
Established1 April 2002
Location180 Ohmori, Anpachi, Gifu, 503-0195 Japan
TypeScience museum
Public transit accessJR Gifu-Hashima Station
WebsiteSolar Ark

The Solar Ark (ソーラーアーク) is a Japanese ark-shaped solar photovoltaic power generation facility which offers activities to cultivate a better appreciation of solar power generation, and thereby benefitting both ecology and science. This 315-meter-wide, 37-meter-tall facility is located in Anpachi, Gifu Prefecture, in the geographical center of Japan, and can be seen from the JR Tōkaidō bullet train, which runs past on an adjacent railway. It has over 5000 panels that produce approximately 530,000 kilowatt-hours on an annual basis and a maximum system power of 630 kilowatts.

Stationed at the center of the Solar Ark is the Solar Lab, a museum of solar energy. A hands-on, outdoor light exhibition was planned for opening in 2005. The Solar Ark was an enterprise partner with the 2005 World Exhibition, Aichi Prefecture, Japan. It is one of the largest solar buildings in the world.

History

The Solar Ark was constructed by Sanyo Electric Co. Its development was accidental among other things. Initially, Sanyo Electric had intended to create the largest photovoltaic system in the world, with a 3.4 megawatt output, to mark the organisation's 50th anniversary. By 1998, designers had already been in discussions about the Solar Ark's appearance. Sanyo had planned on using cutting edge solar technology available to them at the time, using a combination of crystal silicon and thin-film amorphous silicon with 14-15% efficiency. However, during the initial planning, Sanyo had to recall several monocrystalline cells, which were the predecessors of the hybrid technology mentioned before, due to insufficient output.

Sanyo Electric Co. still decided to go ahead with the Solar Ark's construction; however, instead of using the previously planned technology, Sanyo instead, used the recalled monocrystalline cells. Sanyo says “We have done this to show our sincere regret that this problem has occurred and to express our willingness and determination to both remember what happened and how important it is to maintain quality.” Construction was completed in December 2001.

Panasonic acquired Sanyo, and as part of its corporate restructuring and re-branding strategy, the red Sanyo logo on the Solar Ark was replaced with a blue Panasonic logo in August 2011.

In 2022, solar energy generation ended at the site. Panasonic sold the land to a Osaka real estate developer, and media reports indicate that the building will be demolished.

Design

The Solar Ark viewed from below
Panasonic Solar Ark

The Solar Ark's design was inspired by the vision of an ark embarking on a journey to the 21st century. This idea led to the Solar Ark's size and overall symbolic shape of being an example of producing clean energy. In total, the construction area for the Solar Ark is 3294.48 m reinforced concrete was used for the base of the construction. From one end to the other, the total length of the Solar Ark is 315 metres. The ark is 31.6 metres tall from the centre of the structure. There are 5,046 solar panels in total. Twelve single-crystal silicon solar cell modules per unit were assembled on the ground, and 470 units were lifted up and attached to the main body of the Solar Ark.

The weight of the actual body of the ark (pillars being excluded) is 3,000 metric tonnes and is constructed from structural steel. This construction material helps give the impression of the solar ark being suspended in the air. Each column is 2 metres in diameter and 31 meters in length and the Solar Ark is 315 metres long. The entire Solar Ark chassis is supported by four “G-Columns” which are custom built pillars by Kubota and in total, these pillars weigh approximately 5,000 tonnes. These high-quality pillars are homogeneous, the result of the seamless method of construction that utilizes centrifugal force. Due to the Solar Ark's sturdy building materials, the Ark is able to resist winds of up to 34 meters/second and level 7 earthquakes on the Japanese scale.

The ark is surrounded by 5-meter high water fountains and two ponds, each having their own cascade. The entrance to the Solar Ark has solar wings which are composed of HIT solar cells that generate electricity on the topside and underside while also functioning as awnings that allow sunlight to filter through. Between the individual solar panels, there are, in total, 75,000 red, green, and blue computer controlled LEDs which are activated at night to produce images and words across the ark.

Museum

The Solar Energy Museum is structurally separate from the Solar Ark itself. It is officially called the solar lab. It is a museum and exhibition center that mostly provides information about solar energy. There are several exhibitions, workshops and science classes held at the solar lab, which are primarily aimed at the younger generations, to help them become more aware of the photovoltaic science and how it impacts the world. The solar lab is divided into ten zones that provide a wide range of activities for visitors. Some of these activities include a solar system simulator, an adventure wall, an artistic approach to the sun, a solar library and a control deck, where visitors can view real-time data related to the power being generated by the Solar Ark.

Awards

The Solar Ark has received several awards and notable achievements during its operation.

  • Good Design Award 2002 Architecture and Environment Design/Architecture Design
  • The 5th "Renewing Your Hometown" 21st Century Fine Art Awards (Honorable Mention)
  • The 12th "Facilities that Publicize Energy" Award (Exhibition Category)
  • The 12th Advertising Contest on the Environment, Grand Prix of Environment Advertising Award (Presented by State Minister for the Environment)
  • The 2nd Environment and Facility Prize, Outstanding Performance Award (Environmental Design Category)
  • Energy Publicity Center Award for PR Activity, the 14th Director-General of the Natural Energy Agency Award, 2004

References

  1. "Large-Scale Solar Power Generation Facility 'Solar Ark'". Panasonic Corporation of North America. Archived from the original on May 18, 2013. Retrieved January 11, 2013.
  2. ^ Kriscenski, Ali (January 14, 2008). "SOLAR ARK: World's Most Stunning Solar Building". Inhabitat. Retrieved January 11, 2013.
  3. 見どころ＞お立ち寄りスポット (in Japanese). Anpachi official website. Archived from the original on September 27, 2011. Retrieved August 28, 2011.
  4. "Sunsology Blog". The Sunsology blog. Archived from the original on April 25, 2012. Retrieved November 11, 2011.
  5. "The Future of Things Article". The Things of the Future website. Retrieved November 11, 2011.
  6. "Photon International on the ark". Article on recalled solar panels. Retrieved November 11, 2011.
  7. 「ソーラーアーク」のブランド表記の変更について. Panasonic and Sanyo Electric press release (in Japanese). June 24, 2011. Retrieved December 7, 2011.
  8. "新幹線車窓の「岐阜の箱舟」解体へ…田園風景の「潜水艦」とも呼ばれた名物". MSN (in Japanese). Retrieved 2022-11-30.
  9. "Sustainability: Sanyo's Solar Ark". Ideabing.com. Archived from the original on May 20, 2011. Retrieved January 11, 2013.

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35°19′51″N 136°40′16″E / 35.330941°N 136.671186°E / 35.330941; 136.671186

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