[Applications Now Open!] Information on the FY2026 Inagi City Carbon Neutral Housing Equipment Subsidy
- Page Update Information
- 4 Steps to Application
- Application Acceptance Period, Subsidy Eligible Period, Application Method
- Application Amount Ratio to Subsidy Budget
- Eligible Applicants and Common Requirements
- Subsidy Eligible Equipment, Subsidy Amount, Requirements by Equipment Type
- Required Documents
- Application Guide
- Information on Electronic Application (LoGo Form)
- Frequently Asked Questions
- Links to Registration and Certification Confirmation of Eligible Equipment
- Links to Related Subsidy Programs by National and Metropolitan Governments
- Reference Information
Subsidies will be provided to those who have introduced energy creation and energy-saving equipment for the purpose of self-consumption, in order to achieve a decarbonized society.
Please be sure to check before applying.
・This subsidy is a post-application. Please apply after construction, installation, and introduction are completed and all required documents are prepared.
・Applications are accepted on a first-come, first-served basis. Acceptance will end once the budget limit is reached.
・Applications with missing or incomplete documents cannot be accepted. Please check the "Application Guide" and "Document Submission Check Tool" before applying.
Page Update Information
Updated budget status on September 18, 2026.
Updated budget status on August 28, 2026.
Updated budget status on July 31, 2026.
July 1, 2026 Application Acceptance Started.
June 19, 2026 Page Published.
4 Steps to Application
- Check if you are eligible
Confirm the applicant, installation timing, and subsidy requirements for the equipment to be applied for. - Prepare the necessary documents
Check the required documents using the application guide and document checklist tool. - Review materials prepared by the contractor or vendor
Refer to the application guide and document checklist tool to ensure no required information is missing. - Apply using the LoGo form
Please submit the electronic application after all documents are complete.
Note: It typically takes about 1 to 2 months from receipt of the Application Form to the sending of the grant (or non-grant) decision notice, and about 1 to 2 months from the grant decision to the disbursement (payment) of the subsidy.
Note: The notification of the grant decision may be delayed due to reasons such as corrections to incomplete documents.
Application Acceptance Period, Subsidy Eligible Period, Application Method
| Application Acceptance Period | From 8:30 a.m. on Wednesday, July 1, 2026, to 5:00 p.m. on Friday, March 5, 2027 |
|---|---|
| Subsidy Eligible Period |
Installation or renovation of subsidy-eligible equipment must be completed between March 1, 2026, and February 28, 2027. |
| Application Method | LoGo Form (Electronic Application) First-come, first-served Applications completed after 5:00 p.m. will be treated as received at 8:30 a.m. on the next business day. |
Note: The LoGo Form is available for applications 24 hours a day except during maintenance periods.
Application Amount Ratio to Subsidy Budget
Scheduled to be updated about once or twice a month
The next update is scheduled for early November or later.
Note: Acceptance will end once the budget is reached. Please refer to the "Application Guide" and cooperate by applying early.
The information posted on this page is the latest regarding the application amount.
Individual responses regarding the remaining budget amount will not be provided by phone or at the service counter, so please check the website for the latest information.
Graph of application amount ratio to budget as of October 2 (next update early November or later)
Eligible Applicants and Common Requirements
Individuals who have newly installed eligible equipment in a residence within the city or who have purchased a newly built residence equipped with eligible equipment are eligible.
The main requirements are as follows.
- You must own a residence within the city where eligible equipment has been installed, have been residing there prior to the application date, and continue to reside there as of the date the subsidy grant is decided.
- All owners or contractors of the residence must have no delinquency in individual resident tax and agree to the introduction of the subsidized equipment.
- If the residence is a combined residential and commercial building, the residential portion must exceed half of the total area.
- The applicant must be the contractor for the installation work or the purchaser under the sales contract of the eligible equipment.
- The installed eligible equipment must be unused (leases and second-hand items are not allowed).
- For the type of equipment applied for this time, the applicant must not have previously received a subsidy from Inagi City for the “Carbon Neutral Promotion Housing Equipment Installation Cost (formerly: Residential Renewable Energy Equipment Installation Promotion Project)” (limited to one subsidy per eligible equipment per person).
Note: There are additional conditions, so not all households are eligible. Please check the "Application Guide" for detailed requirements.
Subsidy Eligible Equipment, Subsidy Amount, Requirements by Equipment Type
List of Subsidy Amounts
| No. | Eligible Equipment | Subsidy Amount |
|---|---|---|
| 1 | Solar Power Generation Equipment | 20,000 yen per 1 kW (up to 80,000 yen (4 kW)) |
| 2 | Home Fuel Cell System (Enefarm) | Fixed amount of 20,000 yen |
| 3 | Battery Storage System | Flat rate of 40,000 yen |
| 4 | Wood Pellet Stove | One-third of equipment cost (up to 50,000 yen) |
| 5 | Fuel Cell Vehicle (FCV) | Flat rate of 100,000 yen |
| 6 | Vehicle-to-Home System (V2H) |
30,000 yen (up to equipment cost) |
| 7 | Insulation Renovation of Existing Windows and Doors |
One-sixth of installation cost (up to 50,000 yen) |
Subsidy Requirements
Solar Power Generation Equipment
Must meet all of the following requirements.
(1) Modules registered in the JP-AC solar panel model registration list of the JPEA Proxy Application Center, with registration type A; modules certified for photovoltaic power generation by the Japan Electrical Safety & Environment Technology Laboratories (JET), or by overseas certification bodies participating in the IECEE-PV-FCS system of the International Electrotechnical Commission, or those recognized by the mayor as having equivalent performance.
(2) Installed on the roofs of residences, the generated electricity is used within the dwelling.
(3) Unused items, excluding leased and second-hand goods.
(4) Having a power supply contract with an electric company.
Note
The subsidy amount is determined by the smaller value between the output of the solar power generation equipment and the output of the inverter (power conditioner).
Home Fuel Cell System (Enefarm)
Must meet all of the following requirements.
(1) Residential fuel cell systems certified by the General Incorporated Association Fuel Cell Promotion Association.
(2) Installed within the premises of the residence and used in the dwelling where it is installed.
(3) Unused items, excluding leased and second-hand goods.
Battery Storage System
Must meet all of the following requirements.
(1) Items registered as eligible equipment under the Net Zero Energy House (ZEH) support project by the General Incorporated Association Environmental Co-Creation Initiative.
(2) Installed within the premises of the residence and used in the dwelling where it is installed.
(3) Unused items, excluding leased and second-hand goods.
Wood Pellet Stove
Must meet all of the following requirements.
(1) Heating equipment designed and specified to use wood pellets (sawdust crushed from wood and formed into circular shapes) as fuel.
(2) Installed within the premises of the residence and used in the dwelling where it is installed.
(3) Unused items, excluding leased and second-hand goods.
Fuel Cell Vehicle (FCV)
Must meet all of the following requirements.
(1) Equipment designated as eligible for subsidies under the Clean Energy Vehicle Introduction Promotion Subsidy by the Next Generation Vehicle Promotion Center, a general incorporated association.
(2) The primary place of use is within the city.
(3) It must be a privately owned car.
(4) Unused items, excluding leased and second-hand goods.
Vehicle-to-Home System (V2H)
Must meet all of the following requirements.
(1) Equipment designated as eligible for subsidies under the Clean Energy Vehicle Introduction Promotion Subsidy by the Next Generation Vehicle Promotion Center, a general incorporated association.
(2) Installed within the premises of the residence and used in the dwelling where it is installed.
(3) Unused items, excluding leased and second-hand goods.
Insulation Renovation of Existing Windows and Doors
Must meet all of the following requirements.
(1) Thermal insulation renovation of existing windows
A. Thermal insulation renovation using window components registered as eligible equipment in the insulation renovation support project for existing houses by the Hokkaido Environmental Foundation, a public interest incorporated foundation.
(i) Unused items, excluding leased and second-hand goods.
U. Has not received the FY2024 Inagi City Commerce and Industry Association Housing Renovation Subsidy
(2) Thermal Insulation Renovation of Existing Doors
A. Implemented simultaneously with the thermal insulation renovation of existing windows.
(i) Thermal insulation renovation using door components registered as eligible equipment by the General Incorporated Association Environmental Co-Creation Initiative.
U. Unused items, excluding leased and second-hand goods.
E. Has not received the FY2024 Inagi City Commerce and Industry Association Housing Renovation Subsidy
Other Installation Requirements
- Installation is only applicable to existing houses (newly built houses and extension windows are excluded).
- Please renovate all the windows in at least one living room. When renovating all the windows in one living room simultaneously with renovating one or more non-living spaces such as hallways, entrances, or bathrooms, the renovation of non-living spaces is also included in the eligible expenses. However, renovation of non-living spaces only is not eligible.
- If a ventilation small window, a window using glass measuring 300mm×200mm or less, or a jalousie window intended for ventilation is included in the room, the renovation of those windows is excluded from the installation requirements. However, if renovations to those windows are also carried out, they will be included in the subsidized expenses.
Note
- "Door" refers to fittings located on the exterior wall of the house that can be locked from the outside. Service doors and glass doors that cannot be locked from the outside are uniformly treated as windows.
- Replacement of shutters, storm shutters, screens, security grilles, decorative grilles, and glass attached to doors is excluded.
- Installation and renovation must comply with the Building Standards Act and other relevant laws and regulations.
- If approval from the management association is required for the installation work, such approval must be obtained. In that case, please submit documents that confirm the approval has been granted.
- Insulated windows installed in the residence by the management association through large-scale renovations, etc., are not eligible for subsidies.
Please refer to the diagram below to check the areas where mistakes are common during application.

Required Documents
Please prepare all required documents before applying. Applications with missing or incomplete documents cannot be accepted.
Please be sure to check the application guide before submission.
Documents to be checked for all applications
| Document Name | Main Points of Confirmation |
|---|---|
| Receipt and Detailed Statement | The applicant and the name on the receipt must be the same, and the name of the applied equipment must be listed. Estimates and contracts are not acceptable. For existing windows and doors, a detailed statement showing the breakdown of material and construction costs is required. |
| Copy of Certificate of Residence |
For applicable persons only. Issued within 3 months prior to the application date. Must not include the My Number. Please check the flowchart in the application guide to confirm whether submission is required. |
| Certificate of Resident Tax Payment (Certificate of Exemption) |
For applicable persons only. Documents that show the tax payment status. Tax certificates and withholding slips are not acceptable. Please check the flowchart in the application guide to confirm whether submission is required. |
Main Documents Required for Each Facility
| Facilities | Main Submission and Verification Documents |
|---|---|
| Solar Power Generation Equipment | Overall Panel Photo, Connection Contract Guide, Output Comparison Table, Documents Proving Overseas Certified Product (applicable only) |
| Home Fuel Cell System (Ene-Farm) | Overall Equipment and Nameplate Photo, Warranty or Shipping Certificate or Ene-Farm Peace of Mind Support Certificate Note: The model types and serial numbers of fuel cells and hot water storage units can be listed on a separate sheet. |
| Battery Storage System |
Overall equipment and nameplate photo, warranty certificate or shipment certificate (including package model number and serial number of the battery main unit; all serial numbers if multiple units are installed) Note: If the package model number is not listed, please mark the relevant section on a copy of the catalog and submit it. The serial number can be listed on a separate sheet. |
| Wood Pellet Stove | Photos of the entire equipment and nameplate, warranty certificate or shipment certificate |
| Fuel Cell Vehicle (FCV) | Photos showing the license plate, vehicle inspection certificate record details, and invoice (showing vehicle registration number, chassis number, vehicle name, and breakdown of purchase costs) |
| Vehicle-to-Home System (V2H) | Photos of the entire equipment and nameplate, warranty certificate or shipping certificate (with the serial number of the V2H main unit listed) |
| Insulation Renovation of Existing Windows and Doors |
Photos of windows and doors before and after renovation, warranty certificate or shipping certificate issued by the manufacturer or wholesaler, floor plan, and documents verifying the performance of the installed equipment (such as the performance certificate for the Advanced Window Renovation 2026 project) Note: Please assign consecutive numbers to the photos, warranty certificates/shipping certificates, and floor plans for each renovation location and ensure they correspond. |
Please refer to the "Application Guide" for a list of required documents.
Application Guide
Click the orange banner above to go to the application guide page.
Note: When applying, please be sure to check the "Application Guide" to ensure that there are no missing required documents before submitting your application. Applications with incomplete documents cannot be accepted.
Submission Document Verification Tool
If you would like to confirm the documents that need to be submitted, please use the "Submission Document Confirmation Tool" along with the "Application Form Guide".
If you would like to check the submitted documents, please click the green banner above.
Before submitting documents
Please check the following points to ensure each document meets the required information.
| Points to Confirm |
Main Points of Confirmation |
|---|---|
| Receipt and Breakdown Statement |
Please confirm that the receipt date, recipient name, and the name of the equipment being applied for are clearly stated, and ensure that the applicant's name matches the recipient name on the receipt. Estimates and contracts do not meet the requirements. Note: If the equipment name is not clearly stated on the receipt, attaching a breakdown statement is mandatory when applying for insulation renovation of existing windows and doors. |
| Model and Serial Numbers of Ene-Farm, Storage Batteries, Wood Pellet Stoves, and V2H | Please verify that the model and serial numbers on the nameplate photo, warranty certificate, or shipping certificate match respectively. |
| Registration and Certification of Target Products | Please confirm that each applied device meets the specified requirements. Check the application guidelines for the requirements. |
Information on Electronic Application (LoGo Form)
Applications for this subsidy must be submitted using the LoGo form. Please apply only after all documents are complete.
Note: Applications cannot be submitted by bringing documents to the counter or by mail. Please apply via the LoGo form.
Please click the gray banner above to apply using the LoGo form.
About applying with the LoGo form
- Applications can be submitted 24 hours a day, except during LoGo form maintenance times.
- A email address is required to apply.
- Please submit application documents as electronic data or photos of paper documents.
- If any deficiencies or errors are found, you will be asked to correct and resubmit them via the LoGo form.
Frequently Asked Questions
Can I apply before the construction?
No, you cannot. This subsidy requires a post-application. Please apply after the construction or installation is completed and all necessary documents are prepared.
Some of the required documents are missing. Can I apply with only the documents I have ready?
No. Please apply after you have gathered all the required documents.
I have previously received a subsidy from the city, but I have replaced the equipment. Is it eligible?
If you have previously received the same type of subsidy from the city for the equipment you are applying for this time, it is not eligible. Please check the application guide for details.
Are there any restrictions on the contractors who carry out the construction work?
Regardless of whether they are business operators inside or outside the city, installations within the subsidy eligible period qualify for the subsidy.
Please check other frequently asked questions from the pink banner.
Links to Registration and Certification Confirmation of Eligible Equipment
Solar Power Generation System
-
General Incorporated Foundation Electric Safety Environment Research Institute (JET), Certification of Solar Modules (JETPVm Certification) (External Link)
-
JP-AC Solar Panel Model Registration List(External Link)
You can check it in the "Solar Panel Model (PDF)" at the bottom of the blue frame on the page
Home Fuel Cell System (Enefarm)
Battery Storage System
Fuel Cell Vehicles, V2H (Vehicle-to-Home System)
Insulation Renovation of Existing Windows and Doors
-
Hokkaido Environmental Foundation(External Link)
(Support Program for Insulation Renovation of Existing Homes)
For renovation of existing windows, please check the subsidized equipment with the Hokkaido Environmental Foundation. -
Advanced Window Renovation 2026 Project(External Link)
For renovation of existing doors, please check the subsidized equipment with the Advanced Window Renovation 2026 Project.
Links to Related Subsidy Programs by National and Metropolitan Governments
National Subsidy Project
Tokyo Metropolitan Subsidy Projects
-
Disaster-resistant and health-promoting insulation and solar housing expansion project(external link)
-
Tokyo Zero Emission Housing Introduction Promotion Project(External Link)
-
Promotion of Fuel Cell Vehicles and Electric Vehicles (External Link)
-
Project for the Promotion of Residential Fuel Cell Dissemination with a View to Utilizing Demand Response(External Link)
-
Support Project for Installation of Renewable Energy Equipment by Specified Suppliers (Building Environment Report System Promotion Project)(External Link)
Reference Information
By using the "Tokyo Solar Roof Ledger" (Potential Map), you can understand how suitable each building in the city is for solar power generation systems. Please check your owned buildings and make use of this information for your consideration of installation.
For more details, please contact the Tokyo Global Warming Prevention Activity Center (nickname: Cool Net Tokyo).
Phone number: 03-5990-5065
Reception hours: 9 AM to noon, 1 PM to 5 PM (excluding Saturdays, Sundays, public holidays, and year-end/New Year holidays)
To view the PDF file, you need "Adobe(R) Reader(R)". If you do not have it, please download it for free from Adobe website (new window).
This page is managed by the Urban Environment Management Department, Greenery and Environment Division
2111 Higashi-Naganuma, Inagi City, Tokyo 206-8601
Phone number: 042-378-2111 Fax number: 042-378-9719
Contact the Greenery and Environment Division, Urban Environment Management Department, Inagi City
























