Bizen Green Energy Co., Ltd.

What Bizen Green Energy Co., Ltd. does

Bizen Green Energy Co., Ltd. is a privately-held Japanese energy consulting firm headquartered in Bizen City, Okayama Prefecture, established in 2005 as the operating entity of the Bizen Green Paradise Council. The firm provides professional services across the decarbonization value chain — research, planning, and implementation support — to local governments, public institutions, and private enterprises, with its core capabilities concentrated in Zero Energy Building (ZEB) planning, renewable energy potential analysis (small hydro, solar, biomass), ESCO services for small and medium-sized enterprises, and greenhouse gas inventory/carbon-neutrality roadmaps. The company's differentiated offer bundles advisory (ZEB Planner certification, BELS support, subsidy application support), measurement (IoT-based minute-by-minute appliance monitoring across hundreds of endpoints with web visualization), and execution (commissioning, performance verification, ongoing maintenance). Its sub-brand "Local ZEB" packages regional collaborative models for ZEB rollout, and its "Wide-area Collaboration Decarbonization Business Creation Support" product targets multi-municipality consortia.

Commercially, Bizen Green Energy operates a sales-led, consultative GTM centered on Japanese government procurement and repeat municipal engagements; the firm has secured contracts with Okayama City, Okayama Prefecture, Kurume City, Kyoto Prefecture, Ibaraki City, Hyogo Prefectural Hospital Bureau, Bizen City, and Tsuwano Town, alongside private engagements such as Tomato Bank branch retrofits. Revenue is project-based, denominated in yen, and contracted through public tenders and direct advisory commissions; no publicly disclosed pricing or revenue figures exist. Geographic reach spans at least 13 prefectures including Okayama, Kagawa, Ehime, Tokushima, Kochi, Hyogo, Kyoto, Osaka, Shimane, Fukuoka, Ibaraki, Niigata, and Shizuoka, plus engagements for the Ministry of Environment and the Ministry of Land, Infrastructure, Transport and Tourism. The firm's stated motto is "Not just research, but changing reality" (調査だけでなく、現実を変えていく) — reflecting a positioning that treats hands-on project delivery as the source of authority for subsequent planning work.

Name

Bizen Green Energy Co., Ltd.

Legal name

Bizen Green Energy Co., Ltd.

Website

https://bizen-greenenergy.co.jp

Company type

Private

Founded year

2005

Operating status

Operating

Headcount range

11–50 employees

Short description

Bizen Green Energy is a privately-held Japanese energy consulting firm headquartered in Bizen, Okayama, providing ZEB planning, renewable energy advisory, ESCO, and decarbonization consulting to local governments, public institutions, and SMEs across Japan since 2005.

Ownership category

akta.pro rank

Product category

Energy Consulting Services

NAICS

Environmental Consulting Services (54162), Environmental Consulting Services (541620), Other Scientific and Technical Consulting Services (54169)

SIC

Services-Management Consulting Services (8742)

akta.pro primary industry

Sustainability & ESG Consulting (BPAHACAK)

akta.pro secondary industries

Sustainable/Green Building & LEED Consulting (BPAHAKAG), GHG Accounting & Net-Zero/Decarbonization Planning (Scopes 1–3) (EUAHAJAC), Circularity Consulting & Program Management (EPR, Design-for-Circularity, LCA) (EUAIANAH), Corporate & Voluntary Procurement Policy (PPAs, Green Tariffs, 24/7 CFE) (EUAMANAH)

Keywords

• Energy consulting services
• Decarbonization planning
• ZEB planning services
• Renewable energy consulting
• ESCO energy services

Headquarters

HQ city

Okayama

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Professional Consulting Services: The company generates revenue through professional consulting and research services for decarbonization, renewable energy planning, ZEB advisory, and energy management. Revenue is project-based, typically contracted through government procurement processes with municipalities and public institutions.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Bizen Green Energy Co., Ltd. is a Japan-based professional energy consulting firm providing decarbonization planning, ZEB (Zero Energy Building) advisory, renewable energy potential analysis, energy consumption measurement, and ESCO services. The firm delivers project-based consulting engagements to local governments, public institutions, and small-to-medium enterprises, with deep expertise in retrofit ZEB planning for older buildings and government-subsidy application support.

Product overview

Bizen Green Energy Co., Ltd. is an energy consulting and services company that offers a comprehensive portfolio of solutions for local governments, communities, and businesses. The core offerings include Regional Revitalization Services, Renewable Energy Installation Planning, Energy Saving & ESCO Services, and ZEB Planner services. These are complemented by specialized modules including Local ZEB (regional ZEB popularization model), Wide-area Collaboration Decarbonization Support, Subsidy Support Services, Carbon Offset, and Lectures/Education. The company provides end-to-end support from planning and research through implementation and maintenance, with a particular focus on public facilities, municipalities, and中小 enterprises (SMBs). The company leverages energy measurement and research capabilities to provide data-driven recommendations for energy efficiency improvements.

Differentiator

Problem solved

Functional benefit

Brands

• Local ZEB: Regional ZEB popularization model proposing ZEB as a standard practice utilizing regional resources and collaborative efforts.

Products and services

• Regional Revitalization Services (地域再生・活性化)
• Renewable Energy Installation Planning (再エネ設置計画)
• Energy Saving & ESCO Services (省エネ・ESCOサービス)
• ZEB Planner Services (ZEBプランナー)
• Energy Measurement Services (エネルギー計測)
• Research, Study & Planning Services (調査・研究・計画策定)
• Subsidy Support Services (補助支援サービス)
• Carbon Offset Services (カーボンオフセット)
• Lectures and Education (講演・教育)
• Local ZEB
• Wide-area Collaboration Decarbonization Business Creation Support (広域連携による脱炭素事業創出支援)

Quantifiable outcome

• Reduced CO2 emissions by approximately 76.0 t-CO2/year at Sanyo Fureai Park General Gymnasium through solar, battery, and LED upgrades
• +2 more outcomes

Named customers9 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Five partnerships are on record, tiered flagship, notable and foundational.

• Okayama Prefecture (冈山县)flagshipStrategic or Co-development Partner · 1 January 2025Multiple contracts with Okayama Prefecture for Zero Carbon Research Society operations, energy conservation advisor dispatch programs, and greenhouse gas emission analysis services across municipalities.
• Maniwari広域廃棄物リサイクル事業協同組合 (Maniwari Wide-Area Waste Recycling Cooperative Association)notableStrategic or Co-development Partner · 1 January 2016Bizen Green Energy collaborated with this cooperative as a subcontractor on a Ministry of Agriculture, Forestry and Fisheries and Ministry of Environment jointly commissioned project for a regional circular biogas system demonstration in Maniwa City. The project processed household food waste, livestock manure, and sludge/sewage to generate biogas for energy use.
• 林野庁 (Forestry Agency)notableStrategic or Co-development Partner · 1 January 2009Collaborated with Bizen City Forest Owners' Cooperative on the Forestry Agency's Mountain Village Regeneration Plan project, focusing on forest regeneration with emission rights business perspective. Hosted firewood-making workshops with urban residents.
• Cabinet Office (内阁府)flagshipStrategic or Co-development Partner · 1 January 2008As part of the Okayama Sansan Energy Multiplication Project commissioned by the Cabinet Office, Bizen Green Energy worked with the Bizen Green Paradise Council on promoting renewable energy and energy conservation in southern Okayama Prefecture, including building a 3-megawatt citizen-owned solar power plant.
• 備前みどりのまほろば協議会 (Bizen Green Paradise Council)foundationalStrategic or Co-development Partner · 1 January 2005Bizen Green Energy was established as a business entity to embody the council's philosophy of environmental and economic virtuous cycle. The council was formed to promote the 'New Bizen City Sea, Greenery, and Fire' urban development project from 2005-2007, implementing energy-saving and renewable energy equipment in public facilities and promoting ESCO projects.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Shizen Energy Inc. Japanese renewable energy developer and consultant specializing in solar, wind, and biomass project development plus advisory services for municipalities and corporates pursuing decarbonization. Comparable in renewable energy planning and regional decarbonization support.
• ENERES Co., Ltd. Japan-listed energy services company providing energy consulting, ESCO, and demand-side energy management to industrial, commercial, and public-sector clients. Directly comparable as a Japanese energy/ESCO consulting firm serving enterprise and government customers.
• Local Energy Japan Co., Ltd. Japanese firm focused on regional energy business creation, renewable energy planning, and community-level decarbonization support. Highly comparable as a Japanese local-government-focused renewable and decarbonization consulting peer.

Broad incumbents

• DNV Business Assurance Japan: Global assurance and energy advisory firm with significant Japan operations providing renewable energy advisory, energy management system certification, and climate advisory. Comparable on energy assurance and decarbonization consulting but at materially larger scale.
• Deloitte Tohmatsu Sustainability Consulting: Sustainability consulting practice of Deloitte Japan providing climate strategy, net-zero transition planning, and ESG advisory to corporates and public institutions. Comparable on climate strategy and transition planning for Japanese public and private clients.
• ERM (Environmental Resources Management) Japan: Global sustainability consulting firm with operations in Japan providing climate strategy, decarbonization planning, and ESG advisory to corporate and public-sector clients. Wider geographic and service footprint but overlaps on net-zero strategy and climate advisory.
• Sumitomo Mitsui Construction Co., Ltd. (Sustainability/ZEB Group): Major Japanese construction company with ZEB construction and renovation capabilities serving public and private clients. Comparable on ZEB delivery but as part of a much broader construction portfolio.
• NTT Facilities Inc. Subsidiary of NTT providing building energy management, ZEB consulting, and ESCO services across Japan. A larger, established player in the same ZEB and energy management market with overlapping capabilities but a broader service portfolio.

Emerging players

• Japan Weather Association (Climate/Decarbonization Advisory): Japanese environmental services organization providing renewable energy surveys, climate data analysis, and regional decarbonization planning support to municipalities. Comparable niche as a Japanese provider of regional energy and climate research services.
• Toward Co., Ltd. Japanese decarbonization platform start-up providing cloud-based GHG accounting, visualization, and decarbonization planning for local governments and SMEs. Comparable as an emerging digital-first decarbonization platform serving similar public-sector clients.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/bizen-greenenergy-ink

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Bizen Green Energy Co., Ltd.