Updated: July 2026, 1

What is the SII Subsidy? Its Overview and Purpose

The SII Subsidy is a support system provided by the General Incorporated Association, Sustainable Creation Initiative (SII), with the aim of promoting energy-saving technologies and improving energy efficiency.

This subsidy covers part of the costs incurred when companies introduce highly efficient energy-saving equipment, thereby promoting the realization of a sustainable society.

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Background and history of SII subsidies

SII was established to promote technological innovation in the fields of environment and energy.

As part of this, we operate a subsidy system to support the introduction of energy-saving equipment.

This will support companies in taking energy-saving measures, aiming to reduce energy consumption and the burden on the environment.

Eligibility and eligibility to apply for SII subsidies

SII subsidies are available to corporations and sole proprietors conducting business in Japan.

To qualify, applicants are required to have a plan to introduce designated equipment with high energy-saving performance.

Specific requirements and conditions vary by fiscal year and business category, so it is important to check the latest information.

Benefits for SMEs and businesses

Small and medium-sized enterprises and businesses can reduce the initial costs of installing energy-saving equipment by taking advantage of SII subsidies.

This will reduce energy costs and the environmental impact, and also lead to improved corporate competitiveness and social standing.

Application Process and Timeline

The application process for SII subsidy involves the following steps:

1. Check recruitment information: Check the official SII website for the latest information on public offerings.
2. Preparation of required documents: Prepare the documents required for the application, including a business plan and estimates.
3. Submission of application: Submit your application online or by mail within the specified period.
4. Screening and Notification of ResultsSubmitted applications will be reviewed and the results will be announced.
5. Project implementation and reporting: After the project is selected, we will implement it and report on the results upon completion.

Schedules vary by fiscal year and business category, so please check the latest information.

* If a subsidy application is handled by someone other than an administrative scrivener, it may be in violation of the law.

Required documents and procedures

The main documents required for application are as follows:

• Business plan: Describe an overview and effects of the energy-saving equipment to be installed.
• Quotation: Shows details of the costs involved in installing the equipment.
• Profile: Describe the applicant's basic information and business details.

The procedure is to follow the application guidelines provided on the official SII website. Online applications are the norm, but please check the latest information for details.

Success stories using SII subsidies

Many companies have taken advantage of SII subsidies and have successfully installed energy-saving equipment.

For example, one manufacturer installed a high-efficiency air conditioning system and significantly reduced its energy consumption.

In another case, by upgrading a commercial water heater to a more high-performance model, we were able to reduce operating costs and the environmental impact.

Sharing user feedback and results

Companies that have used SII subsidies have said that the subsidies enabled them to install the latest energy-saving equipment and successfully reduced their energy costs.

There have also been reports that "our environmental considerations have been highly evaluated, and we have gained increased trust from our business partners."

Differentiation from other companies

You can use subsidies as a sales tool to differentiate yourself from other companies.

Rather than competing on price, we can offer subsidy value and increase our profit margins.

We would like to respond to subsidies according to client needs and increase customer satisfaction.

For companies that wish to concentrate on business operations and outsource subsidy applications, we provide a one-stop service by collaborating with other professionals such as architects.

Subsidized projects (past examples)

A. Advanced business

Businesses that meet any of the following requirements on a crude oil equivalent basis
①Energy saving rate + non-fossil ratio increase rate: 30% or more
② Energy saving + non-fossil consumption: 1,000 kl or more
③Energy consumption unit improvement rate: 15% or more

B. Custom-made business

Businesses that meet any of the following requirements on a crude oil equivalent basis
①Energy saving rate + non-fossil ratio increase rate: 10% or more
② Energy saving + non-fossil consumption: 700 kl or more
③Energy consumption unit improvement rate: 7% or more

C. Designated equipment introduction project

Installing equipment that meets standards for energy consumption efficiency, etc. set by SII in advance.
<Utility equipment>
High-efficiency air conditioning, industrial heat pumps, commercial water heaters, high-performance boilers, high-efficiency cogeneration
Low oxygen industrial furnaces, transformers, refrigeration equipment, industrial motors, dimming control equipment
<Production equipment>
Machine tools, plastic processing machines, press machines, printing machines, die casting machines

D. Energy demand optimization project

Due to the "effects of EMS control and operational improvement through energy-saving diagnosis, etc."
Businesses that meet an energy saving rate of 2% or more on a crude oil equivalent basis

Application patterns (past examples)

① Application for ABD “Energy Saving Investment Promotion/Demand Structure Transformation Support Project Subsidy”　⇒The public recruitment ended at 2023:11 on Thursday, November 2, 17. We will notify you as soon as the next date and time is released.

You can apply for A. Advanced business and B. Custom-made business individually or in combination.
In addition to the above, you can also apply for D. Energy Demand Optimization Measures Project.
In that case, each application requirement and subsidy rate will be applied, and the subsidy limit will be the sum of the maximum amount for each business.

Click here for details ↓

② Application for CD“Energy Saving Investment Promotion Support Project Subsidy”　⇒The public recruitment ended at 2023:6 on Friday, June 30, 17. We will notify you as soon as the next date and time is released.

It is possible to apply for C. Designated equipment installation project alone or in addition to D. Energy demand optimization project.
In that case, each application requirement and subsidy rate will be applied, and the subsidy limit will be the total of the maximum amount for each business.
Please note that individual applications for D. Energy Demand Optimization Measures Project are not eligible.

Click here for details ↓

Overall schedule (past example)

Quote:SII business brochure Than

⇒Public recruitment has ended. We will notify you as soon as the next date and time is released.

◆Reasons for choosing our company

Quick response ability
→We have established a specialized team for each project.
　By systematizing it, we can respond quickly.

High level of expertise
→We are confident in our experience regarding one subsidy because we collaborate with major clients and have received many orders for the same project.

Familiar with various fields
→Our company has staff who are well-versed in various fields and operations located all over the country.
　Please feel free to contact us regarding any other business. Our specialized staff will assist you.

Close to customers
→When collaborating with us, we can be involved in a variety of ways.
　We can provide proposals and support tailored to each company. As a professional consultant, we will achieve appropriate engagement.

You can focus on other tasks

→Since dealing with the government is complicated, you can outsource subsidy applications and focus on other tasks.

　And with an experienced grants team to help you, your application will be processed quickly.

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