What IGrid Solutions does

IGrid Solutions (株式会社アイ・グリッド・ソリューションズ) is a Tokyo-based privately held energy technology company founded in February 2004. The company operates Japan's largest on-site PPA (Power Purchase Agreement) rooftop solar network, with cumulative installed capacity of 364MW across 1,436 facilities in 46 prefectures as of May 2026, ranking No. 1 in Japan for three consecutive years (Fuji Keizai 2022–2024). Its core technology is the R.E.A.L. New Energy Platform®, a proprietary AI platform that aggregates and optimizes distributed solar generation, battery storage, and EV chargers across the facility network. A distinctive architectural feature is the 'surplus power circulation scheme' (余剰電力循環スキーム), which allows surplus solar output from one facility to be redistributed to other facilities — physically and via off-take contracts under the Circular Power service launched in July 2025. Under the standard PPA model, IGrid owns the solar assets installed on customer rooftops, sells generated electricity at fixed rates below grid pricing, and absorbs all installation, O&M, and asset risk in exchange for 20-year revenue contracts.

The company serves four primary customer segments: logistics and distribution centers (e.g., Logisteed, Senko, Nissui Logistics, CRE), retail and consumer distribution (Seiyu, Yaoko, Joyful Honda, Joshin, Ito-Yokado), manufacturing (POSCO Japan PC, Suzuki, Sanix), and government/municipalities (Sakai City). Revenue is generated through three streams: (1) GX Solutions — long-term electricity sales under on-site and off-site PPA contracts bundled with storage batteries and EV chargers at zero upfront cost to the customer; (2) Energy Trading — aggregation and sale of surplus renewable energy via the platform's circulation mechanism; and (3) consumer electricity supply under the Smaden® brand (including Smaden CO2 Zero and the Weekend Zero plan with zero-yen daytime weekend electricity). IGrid also sells the Enudge® AI-powered behavioral-energy-savings service to enterprises and operates an R&D subsidiary, i GRID Lab, located at Keio University's New Kawasaki research campus.

Recent strategic activity has emphasized scale, new product introductions, and ecosystem partnerships. The company raised ¥3 billion (~US$18.6M) from Mitsubishi UFJ Bank in July 2024 to fund GX expansion, absorbed subsidiary VPP Japan in June 2024, launched the Circular Power off-site PPA service in July 2025, and entered a strategic PPA co-development agreement with CPower in October 2025 combining IGrid's 305MW with CPower's 208MW. Capital structure as of June 2025 stood at ¥4,996 million with 131 employees and the company operates under President Akita Tomokazu, appointed May 2021. Recognition includes designation as Japan's first NIKKEI GX 'GX Unicorn' (2024), the 2020 Energy Conservation Center Chairman's Award (for Enudge), and ISMS certification (June 2026).

Name

IGrid Solutions

Legal name

株式会社アイ・グリッド・ソリューションズ

Website

https://igrid.co.jp

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

101–250 employees

Short description

IGrid Solutions is a Tokyo-based energy technology company operating Japan's largest on-site PPA rooftop solar network (364MW across 1,436 facilities), using its proprietary R.E.A.L. New Energy Platform® AI to aggregate and circulate surplus renewable power to commercial, logistics, retail, and municipal customers.

Ownership category

akta.pro rank

Product category

Distributed Solar Energy Services / Renewable Energy PPA

NAICS

Solar Electric Power Generation (221114), Electric Power Generation, Transmission and Distribution (2211), Electric Power Generation (22111)

SIC

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

akta.pro primary industry

C&I Onsite/Behind-the-Meter Energy Supply (Solar, CHP, Microgrids) (EUAGACAJ)

akta.pro secondary industries

Microgrid Development, EPC & Integration (EUAMAJAB), Commercial & Industrial (C&I) Microgrids (Factories, Warehouses, Campuses) (EUAFAJAA), Resilience & Backup Power Solutions (Critical Facilities, Islanding) (EUAMAJAK), Utility-Scale Generator PPAs (Project Offtake) (EUAGADAB)

Keywords

• On-site solar PPA
• Distributed renewable energy
• Energy management platform
• Battery storage integration
• EV fast charging infrastructure

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. GX Solutions (Enterprise & Government): On-site PPA (R.E.A.L. Solar Power), solar carport PPA, storage battery integration, EV fast charging, and circular power supply services for commercial, industrial, logistics, and government customers. Revenue is generated through electricity sales under long-term (typically 20-year) annual contracts. Customers pay only for electricity consumed with no upfront capital expenditure. Also includes consulting services for subsidy applications.
2. Energy Trading: Aggregation and circulation/trading of surplus renewable energy from distributed solar facilities to other facilities, as well as supply of renewable energy to enterprises and consumers. Revenue from selling surplus renewable power to businesses and households that cannot self-consume all generated output.
3. Consumer Electricity (スマ電): Residential and consumer electricity supply services under the SmartDen brand (e.g., SmartDen CO2 Zero, SmartDen Weekend Zero). Revenue from electricity supply contracts to individual consumers, with some plans priced at zero during daytime weekend hours.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels8 records

Core offering

IGrid Solutions delivers zero-upfront-cost on-site and off-site solar Power Purchase Agreement (PPA) services, industrial battery storage, EV rapid charging, and consumer electricity supply, all orchestrated by its proprietary R.E.A.L. New Energy Platform AI. The company finances, installs, operates, and maintains distributed renewable energy assets across more than 1,400 commercial, industrial, logistics, retail, and municipal facilities in Japan, selling the generated electricity to customers under long-term 20-year contracts.

Product overview

IGrid Solutions operates a platform-plus-services architecture centered on the R.E.A.L. New Energy Platform — a proprietary AI platform that aggregates and optimally manages distributed solar generation, battery storage, EV charging, and power demand across 1,410+ facilities nationwide. The core product portfolio comprises on-site PPA rooftop solar (R.E.A.L. Solar Power) and the complementary off-site PPA Circular Power service, both built on top of the AI platform's surplus power circulation scheme. Add-on modules include battery storage, EV rapid charging, and solar carports — all managed through the same platform and available at zero upfront cost under the PPA model. The company also serves the residential/household electricity market through the Smaden CO2 Zero sub-brand and offers a behavioral-energy AI tool (Enudge). The GX City concept frames the entire ecosystem as a distributed, circular, locally self-sufficient energy model for cities and regions.

Differentiator

Problem solved

Functional benefit

Brands

• R.E.A.L. New Energy Platform®: AI-powered energy management platform that optimizes renewable energy utilization across multiple facilities
• GX City®
• スマ電® (Smaden)
• グリラボ (Guri Labo)
• アイ・グリッド・ラボ (i GRID LAB)
• 環生塾
• GX Unicorn

Products and services

• R.E.A.L. Solar Power (On-site PPA) On-site PPA service installing solar panels on commercial and industrial facility rooftops at zero initial cost; IGrid owns and maintains the panels while customers purchase the generated electricity under long-term contracts. Includes the surplus power circulation scheme for redistributing excess generation to other facilities.
• Circular Power (循環型電力) Off-site PPA-style service aggregating surplus power from IGrid's nationwide network of 1,000+ rooftop solar installations and supplying it to facilities that cannot install their own solar panels (due to rental status, roof constraints, or structural limitations). Customers receive long-term fixed-rate 100% renewable electricity with no installation work and no early-termination penalty upon facility relocation.
• Battery Storage (蓄電池) Industrial battery energy storage system integrated with on-site PPA solar installations. AI predicts facility demand and automatically manages charge/discharge cycles to maximize renewable self-sufficiency, reduce peak demand charges, and provide backup power during outages. Available as a PPA add-on with zero upfront cost and government subsidy assistance.
• EV Rapid Charging (EV急速充電) Rapid EV charging service (50kW output, CHAdeMO-compatible) powered by surplus solar energy from IGrid's distributed solar network. Deployed at retail locations such as supermarkets and home centers to provide 100% renewable energy EV charging under the Zero Plan model with no installation cost for host facilities.
• R.E.A.L. Solar Carport Solar carport PPA service installing solar panel canopies over parking areas, enabling facilities with insufficient rooftop space but large parking lots (200+ spaces) to adopt solar energy under the surplus power circulation scheme.
• Smaden CO2 Zero / Weekend Zero (スマ電) Residential and commercial electricity brand supplying 100% CO2-zero renewable electricity with non-fossil fuel certificates to households and businesses. Includes the Weekend Zero plan offering free daytime electricity on weekends, targeting cost-conscious and environmentally minded Japanese consumers.
• R.E.A.L. New Energy Platform Proprietary AI-powered energy management platform aggregating and controlling distributed solar, batteries, and EV chargers across 1,400+ PPA facilities nationwide. Provides real-time monitoring and visualization of generation, consumption, CO2 reduction, and supply-demand, with AI capabilities including solar generation forecasting, demand prediction, battery/EV optimization, and surplus power circulation management.
• Enudge (エナッジ) AI-powered energy conservation recommendation service for commercial facilities using nudge theory combined with AI analysis of energy consumption data to propose specific energy-saving actions to employees, driving voluntary behavioral change. Awarded the 2020 Energy Conservation Award (Energy Conservation Center Chairman's Award).

Quantifiable outcome

• CO2 reduction of 9.5万t-CO2/kWh (comparable to annual electricity consumption of ~37,000 households)
• +4 more outcomes

Named customers21 records

Segments4 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability5 records

Feature7 records

Partnerships

Nine partnerships are on record, tiered minor and core.

• 24/7 Carbon Free Energy CompactminorStrategic or Co-development Partner · 18 November 2025IGrid joined the UN-led international initiative '24/7 Carbon Free Energy Compact,' committing to real-time, around-the-clock renewable energy procurement. The initiative is managed by the UN Environment Programme (UNEP) and international organizations, supporting companies in matching all electricity consumption with carbon-free energy every hour of every day.
• CPowercoreStrategic or Co-development Partner · 17 October 2025IGrid Solutions and CPower signed a basic agreement to collaborate on on-site PPA business. CPower brings PPA finance schemes, rooftop solar PPA development capabilities, and in-house design, construction, and O&M capabilities from parent Chugoku Sangyo. Combined PPA development track record of 1,240+ facilities / 305MW (IGrid) + 2,200 facilities / 208MW (CPower). Joint target of 10MW+ annually and 30MW over 3 years.
• Seven & i HoldingscoreStrategic or Co-development Partner · 29 September 2025IGrid participates in joint discussions with Seven & i Holdings and Toshiba Energy Systems on PPA-accelerated solar photovoltaic self-sufficiency and dissemination. President Akita appears alongside Seven & i Holdings Sustainability Director Miyachi at PV EXPO 2026 for a special dialogue session on the future of solar PPA.
• Suzuyo ShojicoreChannel Partner/ Reseller/ Distributor · 11 September 2025Suzuyo Shoji and IGrid began capital business collaboration in July 2023, focusing on rooftop solar on-site PPA and renewable energy promotion in Shizuoka and Tokai regions. Suzuyo Shoji provides its rooftop solar facilities and coordinates with its trading company network to expand PPA adoption among its customer base.
• Chugoku Sangyo ShojicoreChannel Partner/ Reseller/ Distributor · 11 September 2025Chugoku Sangyo Shoji partners with IGrid on PPA solutions targeting distribution and retail companies in the Chugoku and Shikoku regions of Japan. Partnership focuses on developing rooftop solar PPA projects and supporting customer decarbonization in the region.
• Ministry of the Environment (Japan)minorStrategic or Co-development Partner · 21 August 2025IGrid served as a corporate mentor in the Ministry of the Environment's 'SDGs Students Dialogue Expo 2025' project. IGrid posed the GX City concept as a challenge to university students from Japan and Indonesia, with students developing roadmaps for converting their cities to local renewable energy urban models by 2040. Final presentations held at EXPO 2025 Osaka-Kansai.
• Lib-Consulting (GRID-BX+ Forum)minorGTM or Marketing Partner · 5 August 2025IGrid's executive officer spoke at the GRID-BX+ Forum 2025 organized by Lib-Consulting, presenting on battery storage solutions for renewable energy self-sufficiency improvement. Forum focused on next-generation battery utilization for distributed energy optimization.
• Keio University Future Light Network Open Research CentercoreStrategic or Co-development Partner · 30 April 2025Joint research partnership with Keio University's Future Light Network Open Research Center (led by Prof. Naoaki Yamanaka) on surplus power traceability technology. The partnership runs from April 2025 to June 2028 and aims to develop new business models using real-time traceability of power generation and consumption locations, virtual matching of surplus power between facilities, and energy consumption time-shifting using storage batteries and EV chargers.
• Sakai City (Osaka Prefecture)coreStrategic or Co-development Partner · 26 February 2025IGrid serves as renewable energy aggregator and retail electricity provider for Sakai City's 'Energy Local Consumption Project.' IGrid aggregates surplus rooftop solar power from multiple private commercial facilities in Sakai City and supplies it to Sakai City Hall (main building and high-rise building). This is the first aggregator partnership with a municipality in Japan, representing a landmark public-private collaboration for local renewable energy circulation.

Scale indicators8 records

Recent moves7 records

Expansion highlights7 records

Direct peers

• NTT Anode Energy: Direct competitor in Japan's on-site PPA and distributed solar market. NTT Anode Energy operates as a renewable energy subsidiary of NTT Group, providing rooftop solar PPA, battery storage, and energy management to enterprise customers — directly comparable offerings to IGrid's R.E.A.L. Solar Power and Circular Power services.
• SB Energy: SoftBank Group's renewable energy subsidiary focused on utility-scale and distributed solar PPA in Japan. Competes with IGrid for on-site rooftop PPA customers across retail and logistics segments, with similar zero-upfront-investment PPA structures and 20-year contract terms.
• Daiwa House Energy Solutions: Subsidiary of Japan's largest homebuilder offering rooftop solar PPA to commercial and industrial facilities. Targets the same retail, logistics, and manufacturing rooftop segments as IGrid, with comparable 20-year PPA economics and a strong building-owner relationship advantage.
• Sharp Energy Solutions: Sharp's solar EPC and PPA business focused on commercial rooftop solar in Japan. Directly comparable service offering for on-site PPA and battery storage integration at commercial facilities; competes on panel supply, EPC capability, and PPA financing.

Regional players

• Renova Inc. Japanese renewable energy developer listed on Tokyo Stock Exchange, primarily focused on utility-scale solar, wind, and biomass. While the business model differs (utility-scale vs. distributed C&I), both operate as Japan-domiciled renewable IPPs pursuing the same corporate decarbonization customers.

Broad incumbents

• Tokyo Gas Engineering Solutions: Engineering and energy services arm of Tokyo Gas, one of Japan's largest utilities. Operates distributed solar PPA, energy management, and decarbonization solutions for enterprise customers as part of a broader utility portfolio — directly competing with IGrid's on-site PPA but with significantly deeper balance sheet.
• ENEOS Renewable Energy: Renewable energy subsidiary of Japan's largest petroleum company, pursuing distributed solar and PPA opportunities alongside its conventional energy business. Competes for the same enterprise rooftop PPA customers but with the advantage of ENEOS's incumbent fuel-supply relationships.
• Idemitsu Kosan: Major Japanese petroleum and energy company expanding into renewable energy and corporate PPA offerings. Targets enterprise decarbonization customers in manufacturing and logistics similar to IGrid's manufacturing segment; broader energy portfolio provides bundled solutions.
• Hitachi Energy / Mitsubishi Power: Major Japanese industrial conglomerates supplying microgrid controllers, power conditioning equipment, and grid integration solutions for distributed energy. Indirectly comparable as enabling technology providers in the broader C&I microgrid ecosystem where IGrid deploys its R.E.A.L. platform.

Emerging players

• UPDATER (formerly Power Sharing): Japanese renewable energy startup providing residential and small commercial solar PPA and electricity retail services. Comparable business model at smaller scale, targeting the same end market of decentralized renewable supply and consumer electricity supply via PPA structures.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/igridsolutions
• YouTubeyoutube.com/channel/UCVOpQTYiMXyM9ffmZRdREVQ
• Facebookfacebook.com/igridsolutionsofficial
• Instagraminstagram.com/igrid_official

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries1 record

Funding overview

Funding rounds4 records

Investors3 records

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

M&A

Investments1 record

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

Frequently asked questions about IGrid Solutions