Database · API / Japan smart-energy subsidy database · Kokusai Kogyo

Find the local support behind the energy investment.

Search around 5,000 national, prefectural and municipal smart-energy subsidy records for solar PV, batteries, EVs and related equipment, with a published monthly update cycle.

Monthly updates for an operational search service.

The published subsidy API covers around 5,000 smart-energy records and is updated monthly. Use region and equipment categories to find candidate programs for solar PV, battery storage, EVs and V2H, then direct users to the issuing authority for current conditions, deadlines and budget availability.

Choose the access method and license for your workflow. Search results support an eligibility review; they do not automatically confirm an award or payment.

Published subsidy API scope and update cycle (Japanese).

Designed for your team’s work

Equipment manufacturers; energy retailers; sales networks; regional project teams.

What you bring

  • Location
  • equipment type
  • residential or business use
  • required fields and delivery format

What you can evaluate or receive

  • Find candidate programs
  • support sales and planning with structured information
  • connect research to source verification

A practical first evaluation

Test the database against your initial regions and products. Define who checks deadlines, remaining budgets and application sequencing before a customer commits.

Scope to confirm

Programs can change between database updates. Funding approval, combination rules and availability require confirmation with the program administrator.

Before you commit

Can we use this as part of our Japan launch?

Tell us your customer segment, local operating model and first use case. We will discuss product fit and any additional data, integration, training or specialist work required.

Is the software or delivery available in English?

This page is an English introduction. Confirm interface, documentation, report and support languages for the product or engagement. Bilingual outputs and localization should be specified explicitly.

How are commercial terms agreed?

Request a quotation for the product, users or usage, data rights, scope and support you need. Confirm implementation fees, recurring fees, contract term and any project work before ordering.

Bring us the next decision you need to make.

Tell us what you want to launch in Japan, who will use it, and where the work is getting stuck. We can discuss the right combination of software, APIs, data and specialist support.