What Iederzon does

Iederzon is a Dutch Energy Service Company (ESCo) that rents solar photovoltaic (PV) panels to tenants of housing corporation Ymere, removing the upfront-capital barrier that prevents renters from owning renewable-energy systems. Founded in 2017 and currently operating as Iederzon Nederland II B.V. (after consolidating prior entities Iederzon Nederland B.V. and Iederzon Amsterdam B.V. in June 2024), the company was established by Dutch firms Klomp and Patina in collaboration with LENS, with installation and monitoring handled by Norm (part of the Zoncorporatie group). Iederzon's product set covers two rental formats: per-household rental of 4-10 panels for single-family homes, and collective per-building systems of typically 3-6 panels per apartment in multi-tenant complexes with minimum participation thresholds. Contractually, the company offers a minimum €1 annual savings guarantee and an Opbrengstgarantie that compensates tenants if annual output falls below 95% of forecast. Pricing differs by contract version (€3.50/panel/month post-June 2024 versus €2/panel/month for legacy contracts, both CPI-indexed). Customer outreach is exclusively routed through Ymere via addressed direct mail, the in-person Ymere Ontmoet Bus community events, inside-sales phone calls, and a multilingual website with self-service registration and a savings calculator.

Revenue mechanics are purely subscription-based: per-panel monthly fees billed directly or via service charges, net of the electricity-bill savings retained by tenants. Project economics were financed in December 2017 by a €35 million package — €26 million from BNG Bank, €4.8 million from the Municipality of Amsterdam's Duurzaamheidsfonds, crowdfunding via Zonnepanelendelen.nl and Greencrowd, and Iederzon's own contribution — against a commission to install systems on 8,500 Ymere homes. By June 2021 cumulative installation had reached 20,000 panels across roughly 2,000 single-family homes, 600 apartments, and 140 collective systems, delivering 8.6 million kWh of green electricity and approximately €516,954.78 in cumulative tenant savings. Geographic reach spans the Ymere portfolio across Amsterdam, Haarlem, Hoofddorp, Almere, Weesp, Nieuw-Vennep, Zwanenburg, and Rijsenhout. Distribution is fully B2B2C, with Ymere supplying rooftops, tenant introductions, and a contractual guarantee against rent increases tied to improved energy labels. The technology stack combines conventional PV hardware with proprietary roof-suitability assessment software, remote panel-by-panel performance monitoring, and a tenant-facing yield portal/app; no AI/ML capabilities, public APIs, or third-party integrations are disclosed in the source material.

Name

Iederzon

Legal name

Iederzon Nederland II B.V.

Website

https://iederzon.nl

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

1–10 employees

Short description

Iederzon is a Dutch Energy Service Company that rents solar PV panels exclusively to tenants of housing corporation Ymere, offering zero-upfront solar subscriptions with guaranteed savings, installation, monitoring, and 20-year contract terms across Ymere's Amsterdam-area portfolio.

Ownership category

akta.pro rank

Product category

Residential Solar Energy Services

NAICS

Solar Electric Power Generation (221114)

SIC

Electric Services (4911), Services-Equipment Rental & Leasing, Nec (7359)

akta.pro primary industry

Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)

Keywords

• Residential solar rental
• Energy service company
• Solar panel leasing
• Tenant energy savings
• Social housing decarbonization

Headquarters

HQ city

Amsterdam

HQ country

Netherlands

HQ region

Europe

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Solar Panel Rental (Gebruiksvergoeding): Tenants pay a monthly rental fee for the solar panel installation. The fee is charged per panel per month and is index-annually to CPI. For single-family homes the fee is €3.50/panel/month (via landlord/service charges); for older contracts it was €2/panel/month. The rental agreement runs for the duration of the tenancy with a maximum of 20 years and is automatically terminated when the tenant moves out.
2. Energy Cost Savings for Tenants: Tenants save money because the solar power generated offsets electricity purchases from their energy supplier. The savings (direct usage + feed-in compensation minus rental fees and return-feed costs) result in a net financial benefit. Iederzon guarantees the solar electricity price is always lower than the average market price.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels5 records

Core offering

Iederzon rents solar panels to tenants of Dutch housing corporation Ymere on a subscription basis, providing full-service financing, installation, remote monitoring, and maintenance. Tenants pay a fixed per-panel monthly fee (€2–€3.50 per panel) and receive guaranteed minimum annual savings of at least €1 plus a 95% yield guarantee, while Iederzon absorbs all upfront capital and operational responsibility.

Product overview

Iederzon is a solar panel rental service provider that offers two main products: rental of solar panels for single-family homes (4-10 panels per household) and rental of solar panels for apartments (fixed number per unit based on building configuration). Both products include professional installation, maintenance, guaranteed energy output, and online monitoring capabilities. The company operates exclusively for tenants of housing corporation Ymere in the Netherlands, managing the entire lifecycle from advisory consultation through installation and ongoing monitoring.

Differentiator

Problem solved

Functional benefit

Products and services

• Solar Panel Rental for Single-Family Homes Full-service rental subscription of solar panels (4–10 panels per household) for tenants of Ymere single-family rental homes. Includes free personalized advisory (Persoonlijk Advies) based on roof suitability and annual energy consumption, professional installation taking up to half a day, ongoing remote monitoring, maintenance, a 95% yield guarantee, and a minimum annual savings guarantee of at least €1. Tenant pays a per-panel monthly fee (€3.50/panel/month under newer contracts).
• Solar Panel Rental for Apartments Collective solar panel rental for tenants of Ymere apartment buildings. Panels are installed in sets on the building roof (typically 3–6 panels per unit) and connected to individual meters. Monthly rental amount is specified per resident in their offer letter and collected via direct debit. Minimum per-building participation thresholds must be met before installation proceeds.

Quantifiable outcome

• Average tenant energy bill reduction of €100–200 per year depending on number of panels and usage patterns
• +3 more outcomes

Named customers7 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered flagship/primary and core.

• Ymereflagship/primaryStrategic or Co-development Partner · 19 December 2017Ymere is a Dutch housing corporation (woningcorporatie) and Iederzon's anchor client. Since 2017, Iederzon has been Ymere's dedicated 'zonpartner' (solar partner), tasked with installing solar panels on 8,500 of its rental homes. Ymere provides roof access and tenant introductions; Iederzon finances, installs, and manages the solar systems. Ymere guarantees it will not raise rents due to improved energy labels from the panels.
• Klomp and Patina (with LENS)coreStrategic or Co-development Partner · 19 December 2017Iederzon is an Energy Service Company (ESCo) formed by the firms Klomp and Patina in partnership with LENS. These founding entities provide the operational expertise, installation know-how, and solar system experience that underpins Iederzon's service delivery. The founding partners have decades of experience in roofing and installation trades (decennialange ervaring in dak- en installatiewezen).
• NormcoreTechnology or Integration · 1 January 2017Norm (part of dezoncorporatie.nl) is Iederzon's operational partner for installation, monitoring, and maintenance of solar panel systems. Norm executes all physical installation work and remotely monitors panel performance. If a malfunction occurs, Norm dispatches technicians to resolve issues. Iederzon is part of Norm. Norm also serves other housing corporations beyond Ymere.

Scale indicators8 records

Recent moves7 records

Expansion highlights4 records

Emerging players

• Energiesprong: Dutch net-zero housing renovation initiative that partners with housing corporations to deliver energy-neutral retrofits including rooftop solar. Comparable as a parallel decarbonization-as-a-service channel into the same Dutch social-housing ecosystem Iederzon targets.

Broad incumbents

• Sunrun: Largest US residential solar subscription (lease/PPA) company. Comparable as the prototypical solar-as-a-service business model at scale, even though the geography and tenant/owner dynamics differ.
• Vattenfall (Solar / Nuon): Major Dutch energy incumbent (formerly Nuon) that offers rooftop solar installation and increasingly solar-as-a-service products to households. Comparable as a much larger, broad-portfolio incumbent competing for the same Dutch residential-solar wallet.
• Eneco: Large Dutch energy retailer offering solar panel solutions to homeowners and businesses, including packaged installation services. Comparable broad incumbent in the same Dutch residential-solar market.

Direct peers

• HomeQgo: Netherlands-based solar panel specialist focused on residential customers, including tenants, with installation, monitoring, and service offerings. Directly comparable to Iederzon's B2C/B2B2C residential solar rental proposition.
• Zelfstroom: Dutch residential solar-as-a-service provider offering homeowners solar panel installation with monitoring and maintenance, often via subscription or lease-like structures. Closely comparable to Iederzon's tenant-focused rental model in the same Dutch market.
• Solarclarity: One of the largest Dutch solar panel distributors and installers, supplying and installing residential and commercial PV systems. Comparable as a Dutch PV installer competitor at scale, though more transaction-led than subscription-led.

Others

• BNG Bank: Dutch public-purpose bank that financed the majority (€26M) of Iederzon's Ymere solar project. Comparable as the principal institutional financier of Dutch social-housing decarbonization and a key counterparty in Iederzon's capital structure.
• Zonnepanelendelen.nl: Dutch crowdfunding platform that finances solar projects (including Iederzon's) by pooling private investors. Comparable as an ecosystem enabler and capital provider for the Dutch residential solar market.
• Greencrowd: Dutch crowdfunding platform co-financing solar installations including Iederzon's projects. Comparable as a financing-side participant in the Dutch residential solar ecosystem.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/iederzon
• Facebookfacebook.com/iederzon
• LinkedInlinkedin.com/company/iederzon-bv

Revenue estimate

Valuation estimate

Number of profiles

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 Iederzon