日本海事新聞ニュース Japan Maritime Daily Sep 02, 2025 (Tue)

Toda Corporation to Demonstrate Installing Wind Turbines with Heavy Lift Ship for the First Time in Japan

　On August 29, Toda Corporation announced that as part of its development of technology for installi ・・・ 続きはログインして下さいnext %E3%80%80On+August+29%2C+%3Cb%3EToda+Corporation%3C%2Fb%3E+announced+that+as+part+of+its+development+of+technology+for+installing+wind+turbines+in+bulk+to+optimize+costs%2C+it+had+conducted+a+demonstration+test+using+a+one-third+scale+model%2C+and+that+it+had+succeeded+in+installing+wind+turbines+in+bulk+using+a+large+crane+ship+for+the+first+time+in+Japan.+The+success+of+this+demonstration+test+has+verified+that+completed+wind+turbines%2C+with+the+tower%2C+Nacelle%2C+and+blades+pre-assembled%2C+can+be+installed+in+bulk+using+a+large+crane+ship+%283%2C700-ton+lifting+class%29+currently+in+operation+in+Japan%2C+marking+a+major+step+forward+in+the+development+and+practical+application+of+technology+for+installing+large+wind+turbines+in+bulk.%3Cbr%3E%E3%80%80%3Cb%3EToda+Corporation%3C%2Fb%3E+was+selected+by+the+New+Energy+and+Industrial+Technology+Development+Organization+%28NEDO%29+for+its+%E2%80%9CDevelopment+of+Next-Generation+Technologies+to+Promote+the+Introduction+of+Floating+Offshore+Wind+Power+Generation%E2%80%9C+project.+It+is+currently+conducting+a+demonstration+experiment+off+the+coast+of+Kabashima+Island%2C+Goto+City%2C+Nagasaki+Prefecture%2C+for+bulk+installation+of+a+large+wind+turbine+%2815+megawatt+class%2C+approximately+240+meters+in+diameter%29+using+a+one-third+scale+model+%282+megawatt+class%2C+approximately+80+meters+in+diameter%29.+The+details+of+the+experiment+were+made+public+on+August+25.%3Cbr%3E%E3%80%80In+order+to+expand+the+adoption+of+floating+offshore+wind+power%2C+it+is+necessary+to+reduce+the+total+cost%2C+including+the+manufacturing+and+construction+costs+of+the+floating+structures.%3Cbr%3E%E3%80%80The+hybrid+model+spar-type+floating+structure+developed+by+%3Cb%3EToda+Corporation%3C%2Fb%3E+has+a+simple+structure%2C+is+easy+to+manufacture%2C+and+is+low-cost%2C+making+it+possible+to+mass-produce+them+in+collaboration+with+local+companies.+However%2C+wind+turbines+need+to+be+assembled+offshore%2C+where+utilization+rates+are+lower+than+on+land%2C+and+there+were+issues+such+as+the+work+tending+to+be+prolonged.%3Cbr%3E%E3%80%80Therefore%2C+in+order+to+reduce+construction+costs%2C+the+company+has+been+developing+a+construction+method+called+%E2%80%99%E2%80%99wind+turbine+mass+installation+technology%E2%80%99%E2%80%99+that+shortens+the+number+of+days+required+for+offshore+work.%3Cbr%3E%E3%80%80This+technology+involves+assembling+the+tower%2C+Nacelle%2C+and+blades+in+advance+on+land+or+on+a+barge%2C+then+lifting+the+completed+wind+turbines+in+bulk+using+a+large+crane+ship%2C+towing+it+to+the+floating+structure%2C+and+installing+them+all+at+once.+A+large+crane+ship+lifts+the+connecting+part+at+the+bottom+of+the+tower%2C+and+the+tower+is+held+in+place+by+an+anti-tip+frame.+The+tower+is+suspended+between+two+crane+jibs%2C+making+it+possible+to+make+maximum+use+of+the+lifting+capacity+of+the+crane+ship+without+being+limited+by+the+size+of+the+wind+turbine.%3Cbr%3E%E3%80%80Based+on+the+work+procedures+and+equipment+verified+in+the+one-third+scale+model+demonstration+test+this+time%2C+the+company+plans+to+improve+its+technology+in+preparation+for+the+demonstration+construction+of+15-megawatt-class+wind+turbines.%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3EDisclaimer%3A+The+English+translations+provided+through+this+service+are+the+result+of+translations+made+by+The+Japan+Maritime+Daily+or+automatically+and+mechanically+translated+by+The+Japan+Maritime+Daily+using+an+automated+translation+system+provided+by+a+third+party+after+certain+processing+of+the+Japanese+content+licensed+by+the+third+party.+In+terms+of+the+English+translation%2C+The+Japan+Maritime+Daily+and+MarineNet+Co.%2C+Ltd.+make+no+warranty+or+burden+of+any+kind%2C+express+or+implied%2C+including+its+accuracy%2C+reliability%2C+validity+or+fitness+for+a+particular+purpose.+MarineNet+Users+should+fully+understand+that+this+service+uses+an+automated+translation+system+that+automatically+and+mechanically+recognizes+and+analyzes+information+and+produces+results.+The+users+should+understand+the+above+conditions+before+using+this+service.%3Cbr%3E%3Cbr%3E%E5%85%8D%E8%B2%AC%E4%BA%8B%E9%A0%85%EF%BC%9A%E3%81%93%E3%81%AE%E3%82%B5%E3%83%BC%E3%83%93%E3%82%B9%E3%82%92%E4%BB%8B%E3%81%97%E3%81%A6%E6%8F%90%E4%BE%9B%E3%81%95%E3%82%8C%E3%82%8B%E8%8B%B1%E8%A8%B3%E3%81%AF%E3%80%81%E6%97%A5%E6%9C%AC%E6%B5%B7%E4%BA%8B%E6%96%B0%E8%81%9E%E3%81%8C%E4%BD%9C%E6%88%90%E3%81%99%E3%82%8B%E3%81%8B%E3%80%81%E5%8F%88%E3%81%AF%E3%80%81%E7%AC%AC%E4%B8%89%E8%80%85%E3%81%8B%E3%82%89%E4%BD%BF%E7%94%A8%E8%A8%B1%E8%AB%BE%E3%82%92%E5%8F%97%E3%81%91%E3%81%9F%E6%97%A5%E6%9C%AC%E8%AA%9E%E3%81%AE%E3%82%B3%E3%83%B3%E3%83%86%E3%83%B3%E3%83%84%E3%82%92%E3%80%81%E6%97%A5%E6%9C%AC%E6%B5%B7%E4%BA%8B%E6%96%B0%E8%81%9E%E3%81%8C%E4%B8%80%E5%AE%9A%E3%81%AE%E5%87%A6%E7%90%86%E3%82%92%E8%A1%8C%E3%81%A3%E3%81%9F%E4%B8%8A%E3%81%A7%E3%80%81%E7%AC%AC%E4%B8%89%E8%80%85%E3%81%8C%E6%8F%90%E4%BE%9B%E3%81%99%E3%82%8B%E8%87%AA%E5%8B%95%E7%BF%BB%E8%A8%B3%E3%82%B7%E3%82%B9%E3%83%86%E3%83%A0%E3%82%92%E5%88%A9%E7%94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