Special

  • Solar PV Market Outlook for 2020 (1) Market scale, policy, trends in business models The solar power generation industry began to seriously search for business models that do not rely on the feed-in tariff (FIT) sheme in 2019. The industry will take the next step by deciding the "next... [2020.01.11]
  • Solar Plants Damaged by Typhoons in Summer (4) Solar Plants Damaged by Typhoons in Summer (4) In Gunma Prefecture, the water level of the Kabura River, which flows through Tomioka City and Takasaki City, increased, flooding houses and other structures in some areas. [2019.12.28]
  • Solar Plants Damaged by Typhoons in Summer (3) Solar Plants Damaged by Typhoons in Summer (3) Mounting systems also damaged by flooding Strong typhoons again hit Japan one after another in summer this year. Some solar power plants were severely damaged by the typhoons. [2019.12.21]
  • Solar Plants Damaged by Typhoons in Summer (2) Solar Plants Damaged by Typhoons in Summer (2) Multiple sites in Izu Peninsula damaged, some arrays turned over These accidents are only a small part of the damage caused to solar power plants by typhoons. Low-voltage solar power plants with a grid output of 10 to 50kW, which make up 80 to 90% of the solar powe... [2019.12.14]
  • Solar Plants Damaged by Typhoons in Summer (1) Solar Plants Damaged by Typhoons in Summer (1) Solar panels scattered at sites in mountains Powerful typhoons hit Japan one after another this summer, the same as last year. Typhoon No. 15 landed in Chiba Prefecture Sept 9, 2019, and the strong winds caused a large-scale power failure. [2019.12.10]
  • Startup Searching for 'Next-Gen Agriculture Assisted by Solar Power' (2) Startup Searching for 'Next-Gen Agriculture Assisted by Solar Power' (2) Garlic was selected as the crop. There is a certain market scale for garlic and about 60% of garlic consumed in Japan is imported. It is significant to improve the domestic self-sufficiency rate by pr... [2019.12.03]
  • Startup Searching for 'Next-Gen Agriculture Assisted by Solar Power' (1) Startup Searching for 'Next-Gen Agriculture Assisted by Solar Power' (1) On September 18, 2019, Chiba University and Keiyo Bank Ltd held an event at the "Chiba City Ookido Agri Energy Unit 1," a solar sharing-type solar power plant in Ookido Town, Midori-ku, Chiba City, Ch... [2019.11.26]
  • Anchors Coming Away Cause Fire at Floating Solar Plant in Chiba Anchors Coming Away Cause Fire at Floating Solar Plant in Chiba Japan's Ministry of Economy, Trade and Industry (METI) held a meeting of the Working Group (WG) for Accident Response for Renewable Energy-based Power Generation Facilities and Structural Strength Oct... [2019.11.19]
  • Trees, Bamboo, Grass Cut by Multifunctional Electric Grass Cutter Trees, Bamboo, Grass Cut by Multifunctional Electric Grass Cutter Various functions realized by changing attachments The ultimate grass cutting method at solar power plants will be cutting grass in every corner by fully automatic grass cutters that travel inside the plant sites with no human aid. But the actual situ... [2019.11.12]
  • Honda Uses 100MWh NAS Battery for Grid Stabilization (2) Honda Uses 100MWh NAS Battery for Grid Stabilization (2) The center incorporates a cogeneration system using gas engines and a volatile organic compound (VOC) generator, in addition to solar power generation systems and NAS batteries. [2019.11.06]
  • Honda Uses 100MWh NAS Battery for Grid Stabilization (1) Honda Uses 100MWh NAS Battery for Grid Stabilization (1) On April 28 and 29 during the long holiday this spring, an experiment for adjusting the demand and supply of power using a large sodium sulfur (NAS) battery system was carried out at a research and de... [2019.10.29]
  • Floating Mega Solar Plant Pushed to Shore by Typhoon in Saga Floating Mega Solar Plant Pushed to Shore by Typhoon in Saga Typhoon No. 17, which formed off the southern coast of Okinawa Prefecture Sept 19, 2019, passed over the ocean to the north of Okinawa on the 21st and went through Tsushima Straits in the evening of t... [2019.10.22]
  • Radio-controlled Mower Travels on 40-deg Slopes Under Solar Panels (2) Radio-controlled Mower Travels on 40-deg Slopes Under Solar Panels (2) When the radio-controlled grass cutter is used, the operator does not have to walk down the slopes and can cut grass without being affected by vibration and dust, unlike riding-type machines and self-... [2019.10.17]
  • Radio-controlled Mower Travels on 40-deg Slopes Under Solar Panels (1) Radio-controlled Mower Travels on 40-deg Slopes Under Solar Panels (1) Major agricultural machine manufacturer Kubota Corporation has commercialized a radio-controlled grass cutter. The product features good performance on steep slopes, and stable grass cutting operation... [2019.10.07]
  • Major Typhoon Damages Floating Mega Solar Plant Major Typhoon Damages Floating Mega Solar Plant Causing fire, piling up of panels In the afternoon of September 9, 2019, when typhoon No.15 passed through Chiba Prefecture, a fire broke out at the "Chiba Yamakura Floating Mega Solar Power Plant," which was constructed on the surfac... [2019.09.30]
  • NTT West Subsidiary Finds Burning Junction Box by Drone-based Inspection (2) NTT West Subsidiary Finds Burning Junction Box by Drone-based Inspection (2) Other problems were discovered including bird droppings, dry leaves, dust and volcanic ash and cracking of cells (power generation elements), as well as overheating due to the impact of initial defect... [2019.09.24]
  • NTT West Subsidiary Finds Burning Junction Box by Drone-based Inspection (1) NTT West Subsidiary Finds Burning Junction Box by Drone-based Inspection (1) AI used to improve analysis efficiency Nippon Telegraph and Telephone West Corp (NTT West) established "Japan Infra Waymark KK," a new company that inspects infrastructures using drones (unmanned compact aircraft), in Chuo-ku, Tokyo, and s... [2019.09.16]
  • Drones Scare Away Crows With Sounds (2) Drones Scare Away Crows With Sounds (2) Developed jointly by power producer, venture firm ECO-5 develops and sells systems to prevent damage caused by birds and animals, including wild boars, deer and crows, using the sounds of birds and animals. Sounds of natural enemies and sounds that c... [2019.09.10]
  • Drones Scare Away Crows With Sounds (1) Drones Scare Away Crows With Sounds (1) Developed jointly by power producer, venture firm Various facilities in Japan are bothered by crows. A solar power plant in Saga Prefecture is achieving good results after introducing a new method to prevent such situations. [2019.09.04]
  • What is TMEIC's '3rd-Generation PV Inverter'? (2) What is TMEIC's '3rd-Generation PV Inverter'? (2) With advantages of both central-, string-type PV inverters The advantages of the "modular system" are not limited to the above. Problems in construction and operation became prominent following the increase in the capacity of central-type PV inverters to mega... [2019.08.24]
  • What is TMEIC's '3rd-Generation PV Inverter'? (1) What is TMEIC's '3rd-Generation PV Inverter'? (1) With advantages of both central-, string-type PV inverters "We suggest the third-generation PV inverters, which incorporate advantages of string-type PV inverters, while following the trend of central-type units." [2019.08.17]
  • Heavy Rain in Kyushu Damages Mega Solar Plant (2) Heavy Rain in Kyushu Damages Mega Solar Plant (2) Causing collapse of ground, slopes The Kirishima Sunday Power Plant started operation in August 2017, and this is the second summer after its start. A large typhoon passed through the area last summer, but no serious damage was caused.... [2019.08.13]
  • Heavy Rain in Kyushu Damages Mega Solar Plant (1) Heavy Rain in Kyushu Damages Mega Solar Plant (1) Causing collapse of ground, slopes The southern Kyushu region of Japan was hit by record-setting heavy rains from June 28 to July 3, 2019. The total rainfall from the start of the rain on June 28 exceeded 1,000mm. The rains caused floo... [2019.08.05]
  • Solar Panel Inspection Employs Drone, AI, Automatic Reporting (2) Solar Panel Inspection Employs Drone, AI, Automatic Reporting (2) Mosaic abnormalities caused by lightning can be detected In analyzing thermal distribution images shot by drones from the sky in the post-process, AI is not used to identify positions of images and to match them against the solar panel layout drawing of the... [2019.07.31]
  • Solar Panel Inspection Employs Drone, AI, Automatic Reporting (1) Solar Panel Inspection Employs Drone, AI, Automatic Reporting (1) Mosaic abnormalities caused by lightning can be detected NEC Networks & System Integration Corp (NESIC), a system integrator belonging to the NEC Group, began to offer solar panel inspection services using drones (unmanned compact aircraft) on June 24, 2019... [2019.07.24]