[Original Report Vol. 42] What is the "Optimal Timing" for Large Enterprises to Install Industrial Solar Power and the "Persuasive Materials" Needed to Gain Approval?

Kokusai Kogyo Co., Ltd. (Head office: Shinjuku-ku, Tokyo; President: Kyo Fujiwara), which provides the solar and storage battery economic effect diagnosis service "Enegaeru" (https://www.enegaeru.com/), announces that it has conducted a survey on the implementation schedule of industrial solar power generation, targeting 111 personnel from large corporations that have installed industrial solar power systems at their companies or business sites.

*The survey results can be used by adhering to the conditions described later.

・ 01｜ 52.8% of companies that proceeded with consideration after receiving a sales proposal from a vendor found the "period for considering the next fiscal year's budget (around November to January)" to be a favorable time for positive consideration.

・ 02｜ The most frequently cited unfavorable time for positively considering a sales proposal was the "period for formulating management policies and mid-term plans."

・ 03｜ To alleviate the concerns of the board and decision-makers, "case studies and performance data from other companies" was the most helpful at 54.1%, followed by "detailed estimates for maintenance and running costs" at 50.5%.

Survey Overview

Survey Name: Survey on the Implementation Schedule of Industrial Solar Power Generation

Survey Method: Internet survey planned by "Reseapy®︎," a research marketing service provided by IDEATECH

Survey Period: March 2, 2026, to March 3, 2026

Valid Respondents: 111 personnel from large corporations that have installed industrial solar power systems at their companies or business sites

*Because percentages are rounded to the first decimal place, the total may not necessarily be 100.

≪Conditions for Using Survey Results≫

1. Please clearly state "Source: Enegaeru Management Office" as the source of the information.

2. If used on a website, please include the following link as the source.

URL: https://www.enegaeru.com/

Top reason for implementation managers to start consideration is "internal policy on decarbonization and ESG" at 65.8%

When asked in "Q1. What was the direct reason for you to begin seriously considering the introduction of industrial solar power? (multiple answers)" (n=111), the top answers were "An internal policy on decarbonization and ESG was presented" at 65.8%, and "I learned about subsidies and tax incentive programs" at 59.5%.

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