Chiba Prefecture's FY2026 Subsidy Program for SMEs: Applications Open for Energy-Saving Equipment and Energy Management Systems (EMS) with a Maximum Subsidy of 10 Million Yen!
Chiba Prefecture has launched a subsidy program to support small and medium-sized enterprises (SMEs) in introducing energy-saving equipment and Energy Management Systems (EMS). The maximum subsidy is 10 million yen, and applications will close once the budget is exhausted. Applications begin on May 15, Reiwa 8.
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- 📰 Published: May 11, 2026 at 23:00
- 🔍 Collected: May 11, 2026 at 14:31
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Chibagin Research Institute Co., Ltd. (President: Eiji Maeda) and NS Kankyo Co., Ltd. (President: Takuya Suzuki) have jointly been entrusted with the secretariat for Chiba Prefecture's FY2026 subsidy programs, "Subsidy for Decarbonization Promotion Project for Commercial Facilities, etc." and "Subsidy for Smart Energy-Saving Technology Introduction Promotion Project for Small and Medium-Sized Enterprises, etc." Applications are now open!
Applications will close as soon as the budget is exhausted, so eligible businesses are encouraged to apply early.
Subsidy Program Overview
https://www.pref.chiba.lg.jp/ontai/hojo/documents/r8gyoumuchirashi.pdf
① Energy-Saving Diagnosis Category
② Simple Self-Diagnosis Category
③ EMS Introduction Category
1. Eligible Applicants
SMEs*2*3 (for ①, ②) that use or own*1 business establishments implementing eligible projects within Chiba Prefecture.
SMEs*2*3 (for ③) that conduct business activities for eligible projects within Chiba Prefecture.
*1. From this fiscal year, business establishment owners have been newly added as eligible.
*2. SMEs include companies, individuals, social welfare corporations, medical corporations, cooperatives, specified non-profit organizations, etc.
*3. Registration (application) to the "CO2CO2 (Kotsukotsu) Smart Declaration Business Establishment Registration System" by the application date is a requirement.
2. Maximum Subsidy Amount, Subsidy Rate, Eligible Projects, etc.
(1) Maximum Subsidy Amount and Subsidy Rate
① Energy-Saving Diagnosis Category: 10 million yen per business, up to 1/2 of eligible expenses
② Simple Self-Diagnosis Category: 5 million yen per business, up to 1/4 of eligible expenses
③ EMS Introduction Category: 10 million yen per business, up to 1/3 of eligible expenses
[Main Eligible Projects and Equipment Examples]
① Energy-Saving Diagnosis Category, ② Simple Self-Diagnosis Category
Eligible Projects
Equipment Examples
Installation of storage batteries
Storage batteries (limited to equipment that stores electricity generated by self-owned renewable energy supply facilities)
Promotion of energy saving
LED lighting fixtures, air conditioning, insulation/heat shielding work
Promotion of unused energy utilization
Factory waste heat utilization equipment, etc.
Measures to reduce greenhouse gases such as methane and alternative fluorocarbons
Energy-saving natural refrigerant equipment (refrigerators, freezers, etc.)
Promotion of renewable energy utilization
Solar thermal (*1), wind, biomass, hydropower, and other renewable energy supply facilities
*1. Excluding solar power generation equipment
Others
Other equipment proposed by energy-saving diagnosis and deemed appropriate by the prefecture (boilers, water heaters, compressors, industrial furnaces, production equipment, water supply/drainage/wastewater treatment facilities, etc.), and fees for receiving energy-saving diagnosis from an institution designated by the prefecture.
③ EMS Introduction Category
Eligible Projects
Equipment Examples
Installation of energy management systems
Energy Management System (EMS)
(2) Eligible Subsidy Projects
Projects implemented at offices or business establishments within the prefecture that meet the following conditions are eligible:
* Projects that introduce equipment contributing to the promotion of energy saving and the utilization of renewable energy, based on the results of receiving an "energy-saving diagnosis" or conducting a "simple self-diagnosis" (applications for energy-saving diagnosis fees only are also possible) (①, ②)
* Projects that reduce energy-derived carbon dioxide emissions by 3 tons or more annually through the implementation of this project (①, ②)
* Projects that introduce EMS meeting the requirements specified in the application guidelines (③)
* Projects that have not yet commenced the subsidized work (①, ②, ③)
*Applications for energy-saving diagnoses began on May 11 (Monday) at the prefecture.
https://www.pref.chiba.lg.jp/ontai/hojo/shoeneshindan.html
3. Application Acceptance Period
"Energy-Saving Diagnosis Category" "Simple Self-Diagnosis Category": Friday, May 15, Reiwa 8 – Wednesday, October 7, Reiwa 8
"EMS Introduction Category": Friday, May 15, Reiwa 8 – Wednesday, October 7, Reiwa 8
"Energy-Saving Diagnosis Fee Only": Friday, May 15, Reiwa 8 – Friday, December 11, Reiwa 8
*Please note that applications will close as soon as the budget is exhausted, even within the period.
4. Application Method, etc.
Details on application methods, etc., are posted on the following prefectural websites:
"FY2026 Chiba Prefecture Subsidy for Decarbonization Promotion Project for Commercial Facilities, etc."
https://www.pref.chiba.lg.jp/ontai/hojo/r8jigyousyahojo.html
"FY2026 Chiba Prefecture Subsidy for Smart Energy-Saving Technology Introduction Promotion Project for Small and Medium-Sized Enterprises, etc."
https://www.pref.chiba.lg.jp/ontai/hojo/r8emshojo.html
5. Contact Information
[Secretariat for Subsidy for Decarbonization Promotion Project for Commercial Facilities, etc.]
Entrusted parties: Chibagin Research Institute Co., Ltd., NS Kankyo Co., Ltd.
Phone: 050-3108-5921
*Reception hours: 9:00 - 17:00 (excluding Saturdays, Sundays, and public holidays)
Email: chiba-hojo@ns-kankyo.co.
Applications will close as soon as the budget is exhausted, so eligible businesses are encouraged to apply early.
Subsidy Program Overview
https://www.pref.chiba.lg.jp/ontai/hojo/documents/r8gyoumuchirashi.pdf
① Energy-Saving Diagnosis Category
② Simple Self-Diagnosis Category
③ EMS Introduction Category
1. Eligible Applicants
SMEs*2*3 (for ①, ②) that use or own*1 business establishments implementing eligible projects within Chiba Prefecture.
SMEs*2*3 (for ③) that conduct business activities for eligible projects within Chiba Prefecture.
*1. From this fiscal year, business establishment owners have been newly added as eligible.
*2. SMEs include companies, individuals, social welfare corporations, medical corporations, cooperatives, specified non-profit organizations, etc.
*3. Registration (application) to the "CO2CO2 (Kotsukotsu) Smart Declaration Business Establishment Registration System" by the application date is a requirement.
2. Maximum Subsidy Amount, Subsidy Rate, Eligible Projects, etc.
(1) Maximum Subsidy Amount and Subsidy Rate
① Energy-Saving Diagnosis Category: 10 million yen per business, up to 1/2 of eligible expenses
② Simple Self-Diagnosis Category: 5 million yen per business, up to 1/4 of eligible expenses
③ EMS Introduction Category: 10 million yen per business, up to 1/3 of eligible expenses
[Main Eligible Projects and Equipment Examples]
① Energy-Saving Diagnosis Category, ② Simple Self-Diagnosis Category
Eligible Projects
Equipment Examples
Installation of storage batteries
Storage batteries (limited to equipment that stores electricity generated by self-owned renewable energy supply facilities)
Promotion of energy saving
LED lighting fixtures, air conditioning, insulation/heat shielding work
Promotion of unused energy utilization
Factory waste heat utilization equipment, etc.
Measures to reduce greenhouse gases such as methane and alternative fluorocarbons
Energy-saving natural refrigerant equipment (refrigerators, freezers, etc.)
Promotion of renewable energy utilization
Solar thermal (*1), wind, biomass, hydropower, and other renewable energy supply facilities
*1. Excluding solar power generation equipment
Others
Other equipment proposed by energy-saving diagnosis and deemed appropriate by the prefecture (boilers, water heaters, compressors, industrial furnaces, production equipment, water supply/drainage/wastewater treatment facilities, etc.), and fees for receiving energy-saving diagnosis from an institution designated by the prefecture.
③ EMS Introduction Category
Eligible Projects
Equipment Examples
Installation of energy management systems
Energy Management System (EMS)
(2) Eligible Subsidy Projects
Projects implemented at offices or business establishments within the prefecture that meet the following conditions are eligible:
* Projects that introduce equipment contributing to the promotion of energy saving and the utilization of renewable energy, based on the results of receiving an "energy-saving diagnosis" or conducting a "simple self-diagnosis" (applications for energy-saving diagnosis fees only are also possible) (①, ②)
* Projects that reduce energy-derived carbon dioxide emissions by 3 tons or more annually through the implementation of this project (①, ②)
* Projects that introduce EMS meeting the requirements specified in the application guidelines (③)
* Projects that have not yet commenced the subsidized work (①, ②, ③)
*Applications for energy-saving diagnoses began on May 11 (Monday) at the prefecture.
https://www.pref.chiba.lg.jp/ontai/hojo/shoeneshindan.html
3. Application Acceptance Period
"Energy-Saving Diagnosis Category" "Simple Self-Diagnosis Category": Friday, May 15, Reiwa 8 – Wednesday, October 7, Reiwa 8
"EMS Introduction Category": Friday, May 15, Reiwa 8 – Wednesday, October 7, Reiwa 8
"Energy-Saving Diagnosis Fee Only": Friday, May 15, Reiwa 8 – Friday, December 11, Reiwa 8
*Please note that applications will close as soon as the budget is exhausted, even within the period.
4. Application Method, etc.
Details on application methods, etc., are posted on the following prefectural websites:
"FY2026 Chiba Prefecture Subsidy for Decarbonization Promotion Project for Commercial Facilities, etc."
https://www.pref.chiba.lg.jp/ontai/hojo/r8jigyousyahojo.html
"FY2026 Chiba Prefecture Subsidy for Smart Energy-Saving Technology Introduction Promotion Project for Small and Medium-Sized Enterprises, etc."
https://www.pref.chiba.lg.jp/ontai/hojo/r8emshojo.html
5. Contact Information
[Secretariat for Subsidy for Decarbonization Promotion Project for Commercial Facilities, etc.]
Entrusted parties: Chibagin Research Institute Co., Ltd., NS Kankyo Co., Ltd.
Phone: 050-3108-5921
*Reception hours: 9:00 - 17:00 (excluding Saturdays, Sundays, and public holidays)
Email: chiba-hojo@ns-kankyo.co.