Japan · Procurement Portal award records · Supplier record
Zero Watt Power Co., Ltd.
ゼロワットパワー株式会社
Line: Utilities (UNSPSC 83100000) Register loaded to September 2026 Compiled 12 October 2026
Zero Watt Power Co., Ltd. — Japan · Procurement Portal award records · Supplier record: 760 award notices, all years (Jan 2019 – Sep 2026); 357 since January 2024 (22 buyers); 1st rank in the line (of 286 suppliers · 12.9%); 9 buyers never served (23 notices in the line from them).
Assay record ASY-JP-1425YVZ12L · Cite as: Assay Systems, “Zero Watt Power Co., Ltd. in the Procurement Portal register for Japan”, https://assay-systems.com/register/jp/zero-watt-power-co-ltd/
Own record The line Buyers Suppliers 760
award notices, all years
Jan 2019 – Sep 2026
357
since January 2024
22 buyers
1st
rank in the line
of 286 suppliers · 12.9%
9
buyers never served
23 notices in the line from them
Own record by year award notices, 2014 onward 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
Who buys from Zero Watt Power Co., Ltd. since January 2024 22 buyers
357 notices
38% top buyer
Ministry of Land, Infrastructure, Transport and Tourism38.1%
136 notices
Ministry of Agriculture, Forestry and Fisheries7.8%
28 notices
Ministry of Health, Labour and Welfare7.3%
26 notices
National Tax Agency6.4%
23 notices
Japan Coast Guard6.2%
22 notices
Ministry of Justice3.9%
14 notices
Ministry of the Environment3.9%
14 notices
Ministry of Defense3.6%
13 notices
Ministry of Finance3.4%
12 notices
Japan Meteorological Agency3.1%
11 notices
Forestry Agency2.8%
10 notices
Supreme Court of Japan2.8%
10 notices
Ministry of Internal Affairs and Communications2.2%
8 notices
National Police Agency2.2%
8 notices
Children and Families Agency1.4%
5 notices
Public Prosecutors Office1.4%
5 notices
Cabinet Office1.1%
4 notices
Central Labour Relations Commission0.8%
3 notices
House of Representatives0.6%
2 notices
Ministry of Economy, Trade and Industry0.3%
1 notice
All 22 buyers National Personnel Authority (1); House of Councillors (1).
6 buyers named Zero Watt Power Co., Ltd. before 2024 only.
The line since January 2024 2,209 award notices
36 buyers
286 suppliers
44.4% held by top ten
Utilities (UNSPSC 83100000)
1st of 286 suppliers
286 notices name Zero Watt Power Co., Ltd.
12.9% share of the line
17.3% of 607 notices from Ministry of Land, Infrastructure, Transport and Tourism
5.3% of 264 notices from Ministry of Justice
11.9% of 219 notices from Ministry of Health, Labour and Welfare
7.2% of 166 notices from Ministry of Finance
57 new suppliers since 2024
Buyers that buy the line and never named Zero Watt Power Co., Ltd. since April 2014 9 buyers
23 notices since 2024
6 buyers took a new supplier
7 suppliers came in that way
Japan Fair Trade Commission
5 notices
Consumer Affairs Agency
4 notices
Nuclear Regulation Authority
4 notices
Cabinet Legislation Bureau
3 notices
Board of Audit of Japan
1 notice
Casino Regulatory Commission
1 notice
Fire and Disaster Management Agency
1 notice
Public Security Intelligence Agency
1 notice
Suppliers next to it in the line since January 2024 Zero Watt Power Co., Ltd.
286 notices
Shikoku Denryoku Co., Ltd.8 buyers
117 notices
Vamp Pawa Trading LLC16 buyers
111 notices
Chubudenryoku Miraizu Co., Ltd.13 buyers
98 notices
All 286 suppliers in the line
Source: successful bid records (open data) for Japan in the Procurement Portal of the Government of Japan, Digital Agency, p-portal.go.jp , which permits reuse including commercial use under its terms of use ; awards from April 2014 to 30 September 2026, accessed 12 October 2026.Assay Systems has changed the data.