Press & media resources · Japan
An English media room for journalists, editors, producers and analysts covering Japan’s electricity market, solar PV, battery storage, EV/V2H, PPA, tariffs and decarbonisation.
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Featured briefing · 2026
A cross-survey view of what moves Japanese households and organisations from concern to calculation, approval and adoption—and where overseas energy companies can remove friction.
Translated research archive
The titles below are concise English editorial translations. Each link opens the Japanese original. Percentages describe the stated respondent group; they are not automatically estimates of Japan’s total population or market.
Open the original Vol. 1–49 collection → · Open the Japanese research file archive →
Translated release archive
English headlines and summaries point to the authoritative Japanese releases. Customer results belong to the cited case and should not be generalised as a performance guarantee.
A centralised simulation workflow supports residential battery sales partners; the source reports that more than 70% of requests were answered by the next day. Official Japanese release →
The customer journey shows estimated cost and economics before a formal enquiry. Official Japanese release →
The published case reports a reduction in modelling time from about three hours in Excel to about 30 minutes. Official Japanese release →
The published case describes more than 1,000 annual opportunities without advertising spend. Official Japanese release →
The source reports a ten-percentage-point improvement in close rate in the described workflow. Official Japanese release →
The published case reports that the relevant workload fell to roughly one-third. Official Japanese release →
The paper examines structural work, skills and delivery bottlenecks in renewable-energy sales and deployment. Official Japanese release →
The implementation replaces a more manual simulation process in a remote customer journey. Official Japanese release →
The case links quantitative analysis to increased subsidy applications in the Kinki region. Official Japanese release →
The source reports more than 5,000 simulations a month and addresses variation between separate tools. Official Japanese release →
The integration supports faster self-consumption solar proposals and a more consistent calculation flow. Official Japanese release →
Tariff simulation and unit-rate reference functions support the customer-facing service. Official Japanese release →
The offer covers economic modelling, design, subsidy applications and training, from single jobs to broader outsourcing. Official Japanese release →
The update brings residential and industrial solar, storage, EV/V2H and subsidy data into the wider API portfolio. Official Japanese release →
The service is designed to reduce development work for systems that need access to roughly 2,000 subsidy records at launch. Official Japanese release →
The commercial and industrial report update is designed to make investment economics visible in about ten minutes. Official Japanese release →
The initial database covers roughly 2,000 national and local programmes and publishes monthly updates. Official Japanese release →
The publication consolidates survey evidence on sales practice, customer decisions and proposal quality. Official Japanese release →
The service adds an assurance framework to eligible simulations; terms and eligible products must be confirmed for each use. Official Japanese release →
The initiative connects energy calculations with location and mobility data for regional decarbonisation analysis. Official Japanese release →
The service evaluates vehicle, home charging and V2H economics alongside household energy use. Official Japanese release →
The collaboration connects vehicle use, charging and household electricity considerations. Official Japanese release →
The product extends economic modelling to commercial and industrial electricity demand. Official Japanese release →
The API opens Japan-specific tariff and energy calculations to external customer experiences. Official Japanese release →
A renewable-energy simulation, API and data portfolio for residential and commercial solar PV, battery storage, all-electric homes, EV/V2H, tariffs, subsidies and project economics.
Explore the portfolio →A Japanese geospatial-technology and consulting company founded in 1947. Kokusai Kogyo combines location intelligence, infrastructure and climate-related capabilities; product and project scope is agreed case by case.
Corporate profile →Survey methodology, respondent definitions, Japanese electricity tariffs, subsidy and policy context, solar-and-battery economics, EV/V2H propositions, public and commercial PPA, product screenshots, executive comment and available high-resolution assets.