Commercial Solar Solutions for New Zealand Businesses

High-quality, cost-efficient solar systems delivered by DES & Trilect.

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    Powering New Zealand with Smarter Energy

    DES has partnered with Trilect—one of New Zealand’s leading solar installation specialists—to deliver reliable, future-focused solar solutions for commercial and industrial clients. Together, we combine engineering expertise, advanced technology, and proven installation capability to help businesses reduce costs, improve sustainability, and transition confidently to renewable energy.

    As a 100% New Zealand-owned company and proud members of Master Electricians and the Sustainable Energy Association of New Zealand, we bring trusted local experience to every project.

    Book your assessment now
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    Why Solar Makes Sense for Your Business

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    Long-Term Financial Returns

    Commercial solar offers a dependable, low-maintenance way to reduce energy expenses. By generating your own power, your business benefits from predictable long-term savings and an attractive return on investment. Learn more about financial returns.

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    Positive Corporate Image

    Customers and partners increasingly value sustainability. A solar installation demonstrates environmental responsibility and strengthens your brand’s reputation. Explore how solar improves corporate image.

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    Reduced Carbon Footprint

    Solar power significantly lowers emissions and supports a cleaner future for New Zealand. It’s one of the most effective steps a business can take toward environmental stewardship. Understand your carbon reduction impact.

    Why Choose DES

    In-House Expertise

    All installations are completed by our own qualified technicians—never contractors. This allows us to provide a 100% lifetime workmanship guarantee on every solar system we install. Discover our in-house experts.

    Safety First

    We maintain strict Workplace Health & Safety standards across all sites. Safety is embedded into every stage of design, installation, and maintenance. Learn about our safety standards.

    Dedicated Delivery Team

    Every project is overseen by a dedicated Project Manager, ensuring clear communication, smooth delivery, and consistent quality. Meet our delivery team.

    Operations & Maintenance

    We provide ongoing technical support, panel cleaning, monthly reporting, and detailed system monitoring to keep your solar investment performing at its best. Explore our maintenance services.

    Our Solar Services

    DES partner with Trilect to deliver complete end-to-end solar solutions:

    • Feasibility Studies – including system design, energy production modelling, and ROI analysis

    • Connection Approvals – preparation of all required documentation

    • System Installation – installed to best-practice industry standards

    • Operations & Maintenance – long-term support and performance monitoring

    • Premium Solar Hardware – high-quality modules and proven inverter brands for long system life

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    Past Projects

    Our solar installations power businesses across New Zealand. Recent projects include:

    Finance Options Available

    If your business is ready for solar but not ready for the upfront investment, we offer flexible finance options to help you get started sooner.

    Spreading the cost means your system can start generating savings from day one — often covering repayments and putting money back in your pocket from the outset.

    Talk to Our Solar Team

    Ready to explore solar for your business? Our engineers and consultants are here to help — from a quick question to a full feasibility study.

    BOOK NOW FOR A FREE SOLAR QUOTE AND ASSESSMENT

      BOOK NOW FOR A FREE SOLAR QUOTE AND ASSESSMENT

      Book Now To See How Much It Costs To Save And Make Your Work Place Safer And Healthier