Treetops Renewable Energy Systems

What Treetops Renewable Energy Systems does

Treetops Renewable Energy Systems (trading as Treetops Solar) is a Cape Town-based, family-run solar photovoltaic and battery storage installation company founded in 2010 by Stefan Ortmann, Helen Ortmann, and Martin Pollack. The firm designs, installs, commissions, and maintains grid-tied and hybrid solar systems for residential, commercial, agricultural, educational, retirement, and healthcare clients across the Western Cape province of South Africa. Core offerings include Tier-1 solar panels paired with lithium battery storage (LiFePO4 and high-voltage systems), hybrid inverters, and remote monitoring across a portfolio of third-party hardware brands: SolarEdge (longest-standing South African partner since 2013), Tesla Powerwall 2 (certified installer), SigEnergy, Freedom Won, FoxESS, Sungrow, JA Solar, and Canadian Solar.

The business operates a consultative, appointment-based direct sales model with a 6-step engagement process from needs assessment through long-term monitoring. Revenue is generated across five streams: hardware sales of solar and battery equipment, turnkey installation and commissioning services, subscription-based remote monitoring and maintenance, Power Purchase Agreements (PPAs) with 10-25 year terms for commercial clients, and short-term asset finance options. Pricing for residential systems starts at approximately R100,000 for a 5kWp system with 10kWh battery, scaling to multi-million Rand commercial installations such as the 800kWp Pathcare Main Campus project with 1.7MWh battery storage. The company has a regulatory differentiation originating from its co-development of the Small-Scale Embedded Generation (SSEG) rules and tariffs with the City of Cape Town in 2010. With 9 employees, 600+ completed installations, and projects approaching 1MWp, Treetops occupies a regional specialist position in a fragmented South African solar market driven by persistent grid instability and Eskom load-shedding.

Name

Treetops Renewable Energy Systems

Legal name

Treetops Renewable Energy Systems

Website

https://treetopssolar.co.za

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

1–10 employees

Short description

Treetops Solar is a Cape Town-based, family-run solar PV and battery storage installer founded in 2010, serving residential, commercial, agricultural, educational, retirement, and healthcare clients across South Africa's Western Cape with turnkey design, installation, monitoring, and PPA financing services.

Ownership category

akta.pro rank

Product category

Solar Installation Services

NAICS

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

SIC

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

akta.pro primary industry

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

akta.pro secondary industries

Renewable Distributed Generation (Rooftop/Onsite Solar, Small Wind, Small Hydro) (EUACALAJ), Solar Roofing & Roof-Mounted PV Systems (IMADAFAO), Solar Mounting, Racking & Trackers (Fixed-Tilt, Single/Dual-Axis, Rooftop Mounts) (EUAMABAF), Solar Inverters, Power Electronics & MLPE (String/Central Inverters, Optimizers, Microinverters) (EUAMABAE)

Keywords

• Solar pv installation
• Battery energy storage
• Commercial solar systems
• Residential solar solutions
• Renewable energy services

Headquarters

HQ city

Cape Town

HQ country

South Africa

HQ region

Africa

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Solar System Hardware Sales: Sale of solar panels, inverters, batteries (lithium/LiFePO4), mounting equipment, and all components required for complete solar and battery storage systems. Includes tier-1 panels, premium battery brands, and hybrid inverter systems.
2. Installation and Commissioning: Professional installation services by in-house qualified teams including electrical work, roof work, municipal registration, compliance certification, and engineer sign-off. Part of complete turnkey solar solutions.
3. Remote Monitoring and Maintenance: Ongoing remote monitoring, proactive maintenance, and after-sales support for installed systems. Clients have access to 24h emergency hotline and technical support.
4. Power Purchase Agreements (PPA): Finance model where third party owns and maintains the system on client's roof. Client pays only for electricity produced at fixed rate below municipal tariff. Typically 10-25 year agreements with zero capital outlay for qualifying commercial clients.
5. Short-Term Asset Finance: 3-year asset finance options for businesses wanting to own the system quickly and maximise long-term savings. Available alongside zero-capex PPA options.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Treetops Renewable Energy Systems designs, supplies, and installs grid-tied and hybrid solar PV systems paired with lithium battery energy storage for residential, commercial, agricultural, and institutional customers across Cape Town and the Western Cape. The company delivers turnkey solutions from initial consultation and design through in-house installation, SSEG municipal registration, commissioning, and ongoing remote monitoring and maintenance, using third-party hardware brands including Tesla, SolarEdge, SigEnergy, Freedom Won, and Tier-1 solar panels.

Product overview

Treetops Renewable Energy Systems is a solar and battery installation company operating since 2010 in Cape Town and the Western Cape. Their offering is organized as a service-led model centered around professional design, installation, and long-term support for solar PV and battery storage systems. They install and support a portfolio of third-party technology brands including Tesla Powerwall 2 (battery storage), SolarEdge Home Hub (inverter systems with power optimizers), SigEnergy Home Systems (integrated solar+battery), and Freedom Won lithium batteries. Service categories span residential solar with battery storage, commercial and industrial solar, agricultural solar, and solar for schools. They offer hybrid solar system packages in various capacities (5kVA to 30kVA inverters, 3.3kWp to 15.5kWp panels, 5kWh to 40kWh batteries) as well as large-scale commercial installations up to 800kWp with up to 1.7MWh battery storage. The company also provides financing options including asset finance and Power Purchase Agreements (PPAs) for qualifying commercial clients.

Differentiator

Problem solved

Functional benefit

Products and services

• Residential Solar with Battery Storage Turnkey residential solar PV systems paired with lithium battery storage for homeowners in Cape Town and the Western Cape, providing power generation, load-shedding protection, electricity bill reduction (up to 80%+), and grid independence. Includes hybrid inverters, lithium batteries (LiFePO4), Tier-1 panels, professional in-house installation, SSEG municipal registration, and remote monitoring.
• Commercial and Industrial Solar Large-scale solar PV and battery energy storage systems (BESS) for commercial and industrial clients, including grid-tied systems, peak-tariff battery arbitrage, and Power Purchase Agreement (PPA) financing options. Systems range from medium-sized commercial installations up to 800kWp with up to 1.7MWh BESS, delivering 20%+ ROI per annum including battery storage.
• Agricultural Solar

Quantifiable outcome

• Electricity bill reduction up to 80%+ for residential homeowners with solar and battery
• +5 more outcomes

Named customers10 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• SolarEdge TechnologiescoreTechnology or IntegrationLongest-standing SolarEdge partner in South Africa since 2013. Provides panel-level power optimizers, hybrid inverters, battery storage systems, and smart home integration. Treetops delivers future-proof systems with powerful backup, top efficiency via DC coupling, and seamless smart-home control through SolarEdge ecosystem.
• TeslacoreTechnology or IntegrationCertified Tesla Powerwall 2 Installer. Treetops consultants and in-house teams are trained by Tesla for compliant, high-quality installations with manufacturer QA including photos and diagrams review and approval. Full compliance, commissioning, and documentation provided.
• SigEnergycoreTechnology or IntegrationSigEnergy home systems and commercial inverters (120kW gateway for Spookfontein Wine Farm). SigEnergy has become Treetops' staple brand with luxury features, visual appeal, high cost-efficiency, and exceptional after-sales service. 10-year swap-out warranty on inverter and battery.
• Freedom WoncoreTechnology or IntegrationSouth African lithium battery manufacturer supplying batteries for residential and commercial installations. Freedom Won batteries specified for Wytham Estate (400kWh), Constantia residences (160kWh), and various other projects. Known for long warranty, local manufacture, and proven high-cycle performance.
• City of Cape TowncoreStrategic or Co-development PartnerTreetops played a direct role in developing the original SSEG (Small-Scale Embedded Generation) rules and tariffs alongside the City of Cape Town in 2010. Ongoing relationship for municipal registration of solar installations and tariff optimization. Facilitated supply consolidation for Pathcare project.
• Herholdt's GroupcoreChannel Partner/ Reseller/ DistributorMajor supplier and supporter. Awarded Treetops Top 10 Installer of the Year and additional industry recognition at Solar & Storage Live Africa 2025. Facilitates product supply and industry connections. Supplied and supported various projects including video production for case studies.
• Proco (formerly SchoolAdvisor)minorChannel Partner/ Reseller/ DistributorFacilitated tender process for Rustenburg Girls' High School solar project. Education sector connection facilitating school solar implementations.

Scale indicators16 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Sunworx Solar: South African solar EPC offering residential and commercial solar PV and battery solutions. Comparable product mix and pricing tiers; competes for the same homeowner and SME customer base.
• GreenBug Energy: Cape Town-based solar PV installer offering residential and commercial rooftop solar with battery storage. Directly comparable on geography, customer mix, and product offering; competes head-to-head in the Western Cape market.
• SolarAfrica: One of South Africa's largest rooftop and commercial solar EPCs offering turnkey PV and battery solutions across multiple provinces. Closest comparable in product mix and target segments to Treetops, but at materially larger scale and broader geographic reach.
• Sustsol (Sustainable Solar Solutions): South African solar EPC delivering residential, commercial, and industrial rooftop PV plus battery solutions. Comparable product breadth, pricing structure, and PPA-style financing offerings for the South African market.
• African Sun Power: South African solar installer focused on residential and commercial rooftop PV with battery storage. Similar product mix and customer segments in the Cape Town / Western Cape region.

Broad incumbents

• Enphase Energy: Global microinverter and battery platform with strong presence in residential solar. Not a South African installer, but the dominant alternative equipment ecosystem to SolarEdge and a relevant benchmark for Treetops' product positioning.
• Rubicon (now Rubicon Solar): Large diversified energy and solar group operating across South Africa. Comparable on solar EPC capability, but with broader portfolio across utilities and energy services, making it a larger incumbent rather than a focused rooftop specialist.
• Energy Partners: Established South African energy solutions provider including commercial and industrial solar and energy management. Overlaps with Treetops on commercial solar and energy management but operates at much larger scale across more end markets.

Others

• SolarEdge Technologies: Key equipment partner and inverter/optimizer vendor for Treetops. Listed as a peer because SolarEdge's own installer network strategy and direct customer engagement directly shapes Treetops' commercial model and pricing.
• Tesla Energy (Powerwall): Equipment supplier rather than direct competitor, but Tesla's expanding direct-to-consumer Powerwall offering and Energy Plan represents a long-term channel threat to certified installers like Treetops.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/treetopssolar
• Instagraminstagram.com/treetopssolar
• LinkedInlinkedin.com/company/treetops-renewable-energy-systems

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Treetops Renewable Energy Systems