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  5. Yokohama City Energy Conservation Diagnosis Support Subsidy

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Yokohama City Energy Conservation Diagnosis Support Subsidy

For small and medium-sized enterprises who have undergone an energy-saving diagnosis conducted by the Ministry of Economy, Trade and Industry, we will assist the company's co-payment of businesses out of the cost of receiving energy-saving diagnosis.

Last Updated June 26, 2024

Application method of Yokohama-shi energy saving diagnosis support subsidy

Please apply using the form below.

※In addition, the "Decarbonization Initiative Declaration" is required for application.

Outline of Yokohama City Energy Conservation Diagnosis Support Subsidy Project

Application requirements, etc.

If you are interested in applying, please refer to the application guide.

Please be sure to read the application guide.

Outline of supporting projects

Subsidy summary

Subsidized expensesCosts for energy-saving diagnosis (*2)
Subsidized amount

10/10(*3) of subsidized expenses

Of these, the subsidy limit is 50,000 yen

Balance of budget (*1)


※1) [Budget Status] ◎: Less than 100% to 50% or more, ○ : Less than 50% to 25% or more, △: Less than 25% to 10% or more, -: Less than 10% to 1% or more, x: There is no budget left
※2) From April 1, 2024 to February 28, 2025, those that have completed the consultation of the energy saving diagnosis conducted by the Ministry of Economy, Trade and Industry specified by Yokohama City are eligible. . Energy saving diagnosis that Motoichi establishes is the next diagnosis. For details, please refer to each business (outside site).

※3) Consumption tax and local consumption tax equivalents are excluded.

Application acceptance period

From Wednesday, June 26, 2024 to Friday, February 28, 2025
※ If the budget limit is reached, the reception will be closed.
※ Reception will be accepted on a first-come, first-served basis.
※ After the energy-saving diagnosis of all facilities to be implemented, those that have been completed until payment are eligible.

Subsidiary (*1)

  • Small and medium-sized enterprises (※ 2) with headquarters in the city
  • Businesses (* 3) that do not fall under the Companies Act and have a head office in the city (* 3)

※1) For energy-saving diagnosis to be subsidized, please check directly with the implementing organization for the availability of consultation.
※2) It is stipulated in the Small and Medium Enterprise Basic Law (outside site) (please confirm when applying.) 。
※3) Other than companies under the Companies Act include "social welfare corporations", "medical corporations", "school corporations", "specified non-profit corporations (NPOs)", "cooperatives", etc.

Application method

Please apply from the Yokohama City Electronic Application and Notification System.


First, you will be asked to enter the user and password. Person who has never used Yokohama-shi electronic application system, please apply after having done new registration from "new registration of user here (outside site)".
If it is difficult to apply electronically, please contact the following.

<Contact>
 Economic Affairs Bureau Small and Medium Enterprise Promotion Division Yokohama City Energy Conservation Diagnosis Support
 E-mail: ke-sengen@city.yokohama.jp
 Phone: 045-671-4236

Documents to be submitted ※Please submit it to the electronic application and notification system.

  1. Confirmation of "Decarbonization Initiative Declaration" or "Decarbonization Initiative Declaration"
  2. Documents proving payment (*1)
  3. Copy of energy saving diagnosis results
  4. Copy of documents proving that we run business in the city (* 2) (* 3)
  5. In addition, documents which the mayor deems necessary

※1) Receipt, transfer statement (transfer receipt), credit card usage statement, etc.
※2) In the case of a corporation, all history matters, PDF of the registration screen of the Yokohama City Qualified Person List, company information that shows that the head office is in the city, PDF of the homepage screen, etc.
※3) For sole proprietorships, registration form, or a certificate of completion of the businessemployment insurance, etc.

Application Flow


Request, withdrawal, application for change of Yokohama-shi energy saving diagnosis support subsidy

Request for grant

Please request from Yokohama-shi electronic application, report system.
※ The request form will be announced along with the grant decision and amount confirmation letter.
When presentation from Yokohama-shi electronic application, report system is difficult, please talk to the following.
<Contact>
 Economic Affairs Bureau Small and Medium Enterprise Promotion Division Yokohama City Energy Conservation Diagnosis Support
 E-mail: ke-sengen@city.yokohama.lg.jp
 Phone: 045-671-4236

Withdrawal of application, change

Outline, etc.

※) Person who cannot apply by Yokohama-shi electronic application, report system, please download "Yokohama-shi energy saving diagnosis support subsidy style-related documents" and submit by mail.
 [In case of submission by mail]
 〒231-0005 6-chome, Naka-ku, Yokohama City Yokohama City Hall 31st Floor
        Economic Affairs Bureau Small and Medium Enterprise Promotion Division Yokohama City Energy Conservation Diagnosis Support

Other related information

※When you apply for this subsidy, you need to make a declaration.

※When applying for an energy-saving diagnosis consultation course, you will need to consult an energy-saving diagnosis.
 You can apply for this subsidy if you receive the target energy saving diagnosis.

Decarbonization Management Consultation Desk

For small and medium-sized enterprises in the city, consultation on decarbonization initiatives and related subsidies, application support for subsidies, self-diagnosis support to grasp the company's CO2 emissions and electricity usage, etc. In order to carry out such services, we have set up a specialized consultation desk on decarbonization at the Yokohama Corporate Management Support Foundation (commonly known as IDEC Yokohama) to conduct business.
◎ Consultation on decarbonization management in general [Yokohama Corporate Management Support Foundation (IDEC Yokohama)]
 Reception hours: Weekday 9:30 a.m. to 5:00 p.m.
 (7th floor, Yokohama Media and Communications Center, Nihon Odori, Naka-ku, Yokohama)
 Phone: 045-225-3717 / FAX: 045-225-3738

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For inquiries to this page

Small and Medium Enterprise Promotion Division, Small and Medium Enterprises, Economic Affairs Bureau

Phone: 045-671-4236

Phone: 045-671-4236

Fax: 045-664-4867

Email address: ke-keiei@city.yokohama.jp

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Page ID: 286-538-304

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