What GPSS Group does

GPSS Group is a Japan-based renewable energy developer, owner, and operator headquartered in Minato, Japan, focused on wind power, small-scale hydroelectric, and community-based power generation projects. The group operates a portfolio of generation assets across Hokkaido, Shizuoka, Niigata, and Gunma prefectures, including the Higashi-Izu Wind Power Plant, the Oshamambe Regional Revitalization Project, the Matsunoyama Hot Spring Community Power Generation project, and the Sugawagawa Small Hydroelectric Plant. As of April 2026 the group reported a development pipeline of approximately 1.2GW and cumulative power generation of 716,320 MWh since January 2014, equivalent to roughly 183,155 households' annual consumption and a cumulative CO2 reduction of 357,570 t-CO2.

The group's underlying technology centers on renewable energy generation infrastructure — wind turbines and small-scale hydroelectric facilities — owned and operated through project-level special purpose companies (GK / LLC structures) typically co-developed with local communities and municipalities. Two wholly-owned subsidiaries, GPSS Business Development Inc. and GPSS Engineering Inc., provide project origination/development and engineering services respectively, enabling vertical integration from development through operations. Revenue is generated primarily by selling generated electricity to Japanese electric utilities under the country's feed-in tariff regime, supplemented by engineering services income.

GPSS's go-to-market is community-led: projects are built in collaboration with regional stakeholders and municipal partners to address regional depopulation, energy self-sufficiency, and decarbonization. Distribution to off-takers is direct power sales to utilities; the company does not sell consumer-facing products. The group maintains institutional ESG positioning through B Corp certification (announced 2026), GRESB 5-star ratings (2020 and 2021), CDP disclosure (2022-2023), and endorsements of TCFD and TNFD frameworks, alongside membership in REASP and LTIIA. A group company integration was completed in August 2026, consolidating the operating subsidiaries under GPSS Holdings Inc.

Name

GPSS Group

Legal name

GPSSホールディングス株式会社 (GPSS Holdings Inc.)

Website

https://gpss.jp

Company type

Private

Operating status

Operating

Short description

GPSS Group is a Japanese renewable energy developer and operator that develops, owns, and operates wind power, small-scale hydroelectric, and community-based power generation projects across Japan, selling electricity to utilities under the feed-in tariff regime.

Ownership category

akta.pro rank

Product category

Renewable Energy Generation

NAICS

Wind Electric Power Generation (221115), Hydroelectric Power Generation (221111), Electric Power Generation, Transmission and Distribution (2211)

SIC

Electric Services (4911), Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Wind Farm Ownership & Operations (IPP/Utility-Owned Asset Operations) (EUACAFAF)

akta.pro secondary industries

Wind Farm Development & Permitting (Greenfield/Brownfield) (EUACAFAE), Renewable Energy Industrial Facilities Construction (Solar, Wind, Storage) (IMAFADAD), Electrical Systems O&M (Substations, Transformers, Switchgear, Protection & Controls) (EUAMAGAH)

Keywords

• Renewable energy generation
• Wind power generation
• Small hydroelectric power
• Community energy projects
• Sustainable energy infrastructure

Headquarters

HQ city

Minato

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Power Generation and Sales: GPSS Group generates electricity through wind power and small hydro power facilities and sells power to utility companies. The company develops, owns, and operates renewable energy infrastructure across Japan.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

GPSS Group develops, owns, and operates renewable energy generation facilities in Japan, including wind power plants, small-scale hydroelectric power plants, and community-based power generation projects. The company generates electricity from these assets and sells the power to electric utility companies, while its engineering subsidiary provides technical services for renewable energy infrastructure. Featured assets include the Higashi-Izu Furusato Wind Power Plant (Shizuoka), the Oshamambe Regional Revitalization Power Generation (Hokkaido), the Matsunoyama Hot Spring Community Power Generation (Niigata), and the Sugawagawa Small Hydroelectric Power Plant (Gunma).

Product overview

GPSS Group is a renewable energy company operating a portfolio of power generation assets including wind power, small-scale hydroelectric, and community-based power generation projects across Japan. The group has a development pipeline of approximately 1.2GW and maintains subsidiaries for engineering services and business development. Featured projects include the Higashi-Izu Wind Power Plant in Shizuoka, Oshamambe Regional Revitalization Project in Hokkaido, Matsunoyama Hot Spring Community Power Generation in Niigata, and Sugawagawa Small Hydroelectric Plant in Gunma. The company's cumulative power generation since January 2014 totals 716,320 MWh, with annual generation of 129,630 MWh in fiscal year 2025, contributing to cumulative CO2 reduction of 357,570 t-CO2.

Differentiator

Problem solved

Functional benefit

Products and services

• Higashi-Izu Furusato Wind Power Plant (東伊豆ふるさと風力発電所) Wind power generation facility located in Higashi-izu Town, Kamo District, Shizuoka Prefecture, owned and operated by East Izu Wind Power GK, generating electricity sold to utility companies.
• Oshamambe Regional Revitalization Power Generation (長万部地方創生推進事業発電) Regional renewable energy power generation project in Oshamambe Town, Yamakoshi District, Hokkaido, owned and operated by Oshamambe Green Energy GK as a community-based regional revitalization initiative.
• Matsunoyama Hot Spring Community Power Generation (コミュニティ発電 ザ・松之山温泉) Community-based power generation project at Matsunoyama Hot Spring in Tokamachi City, Niigata Prefecture, operated by Matsunoyama Onsen GK and JIAS (Earth), combining renewable generation with regional revitalization.
• Sugawagawa Small Hydroelectric Power Plant (須川川小水力発電所) Small-scale hydroelectric power generation facility located on the Sugawara River in Minakami Town, Tone District, Gunma Prefecture, owned by Minakami Koiwabuchi Hydropower GK, generating electricity sold to utility companies.
• GPSS Engineering Services Engineering services delivered through group subsidiary GPSS Engineering Inc. (GPSSエンジニアリング株式会社) for renewable energy infrastructure development, construction, and operations support.
• GPSS Business Development Services Business development services delivered through group subsidiary GPSS Business Development Inc. (GPSS事業開発株式会社), focused on developing renewable energy projects and regional revitalization initiatives.

Quantifiable outcome

• 1.2GW development pipeline
• +2 more outcomes

Named customers4 records

Segments1 record

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Seven partnerships are on record, tiered minor and core.

• CDP (Carbon Disclosure Project)minorOthers · 1 January 2022GPSS voluntarily responded to CDP's climate change questionnaire starting in 2022, and continued in 2023, providing information on greenhouse gas emissions data as well as governance, risk assessment, and business strategy.
• GRESBminorOthers · 1 January 2020GPSS participated in GRESB assessments in 2020 and 2021, receiving the highest 5-star rating. GRESB benchmarks ESG performance of real assets including infrastructure and real estate investments.
• LTIIA (Long-Term Infrastructure Investment Association)coreOthers · 1 November 2019GPSS joined LTIIA in November 2019. LTIIA is a non-profit organization established by leading global institutional investors to promote long-term infrastructure investment. GPSS共鸣 the organization's objectives while advancing its corporate philosophy of building a sustainable society.
• 鎮守の森のプロジェクト (Jinju no Mori / Shrine Forest Project)minorStrategic or Co-development PartnerGPSS supports the Shrine Forest Project which aims to protect communities from disasters through green infrastructure that combines nature conservation with regional disaster prevention, modeled after the shrine forests that saved lives during major earthquakes in Japan.
• REASP (一般법인再生可能エネルギー長期安定電源推進協会)coreOthersGPSS is a regular member of REASP (Renewable Energy Association for Stable Power Supply). The association aims to promote renewable energy as a main power source for energy security and citizens' lives, and to achieve long-term stable supply at low cost.
• TCFD (Task Force on Climate-related Financial Disclosures)coreOthersGPSS has expressed support for TCFD recommendations. TCFD was established to develop recommendations for companies to assess and disclose climate-related risks and opportunities and their financial impact.
• TNFD (Task Force on Nature-related Financial Disclosures)coreOthersGPSS participates in the TNFD Forum, an international initiative that aims to shift global capital flows toward nature-positive outcomes through disclosure of information about the natural environment and biodiversity.

Scale indicators5 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Renova Inc. Tokyo-listed Japanese renewable energy IPP/developer active in wind, solar, biomass and geothermal. Closest direct comparable to GPSS given overlapping Japan-centric RE development and asset-ownership model.
• GreenPower Development Corporation: Japanese developer of renewable energy including small and medium hydro and wind assets. Directly comparable on small hydro focus and community/municipality engagement.
• Japan Wind Development Co., Ltd. (JWD): One of Japan's largest dedicated wind power developers/operators with utility-scale assets across multiple regions. Direct competitor in Japanese wind power generation with similar IPP/utility-offtake model.
• Pacifico Energy KK: Japanese renewable energy developer with solar and wind projects across Japan. Direct comparable given shared Japan-only operating geography and PPA-driven power-sales model.

Broad incumbents

• Innergex Renewable Energy: Canada-headquartered independent renewable power producer with hydro, wind and solar across North America, Europe and Latin America. Broad incumbent comparable given diversified renewable IPP model including small hydro and wind power.
• Pattern Energy Group: North American wind-focused independent power producer with utility-scale wind farm ownership and operations across multiple regions. Comparable as a large-scale wind IPP with multi-GW portfolio and similar offtake-driven revenue model.
• Clearway Energy: US-listed renewable IPP operating contracted wind, solar and energy storage assets. Comparable operating model as a yield-oriented renewable IPP with long-term PPAs.
• EDP Renováveis (EDPR): Global renewable energy developer/operator owned by EDP with significant wind and small hydro assets across geographies. Broad incumbent comparable given multi-region wind/hydro IPP mix.

Regional players

• Sakurai Shoji / Hokkaido Wind Holdings (Hokkaido-based wind developers): Regional Japanese wind developers active in Hokkaido and northern Japan. Comparable based on wind-asset focus and similar climate/regulatory exposure, though operating in a narrower geography.

Others

• REASP (Renewable Energy Association for Stable Power Supply): Industry association of which GPSS is a regular member, representing renewable energy infrastructure operators in Japan. Ecosystem participant; not a competitor but a relevant peer through shared policy/advocacy context.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@gpss3549
• Facebookfacebook.com/gpssjp
• LinkedInlinkedin.com/company/gpss-holdings-inc

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries2 records

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 GPSS Group