Expert sustainable energy consulting in Durban, South Africa. We help businesses and communities transition to clean, affordable, and reliable power solutions.
From initial audit to long-term maintenance, we deliver end-to-end sustainable energy services tailored to the South African market.
Custom-designed photovoltaic installations for commercial and industrial clients, from rooftop arrays to ground-mounted solar farms.
Learn MoreComprehensive facility assessments, consumption analysis, and bespoke energy transition roadmaps aligned with your business goals.
Learn MoreAdvanced lithium-ion and flow battery solutions that ensure energy security during load shedding and optimise time-of-use savings.
Learn MoreCarbon footprint assessments, emissions reduction strategies, and ESG compliance reporting to meet regulatory and investor requirements.
Learn MoreSite feasibility studies, turbine selection, and project management for small-to-medium wind energy installations across South Africa.
Learn MoreEnergy-efficient building design, Green Star certification consulting, and retrofitting solutions for existing commercial properties.
Learn MoreDeep local knowledge, global best practices, and a relentless focus on measurable results for every client.
Based in Durban with deep understanding of South African energy regulations, Eskom dynamics, and municipal frameworks across KZN and beyond.
From initial assessment and design through procurement, installation, commissioning, and ongoing maintenance under one roof.
Our clients achieve an average 45% reduction in energy costs within the first two years, with full payback typically within 3-5 years.
As a Level 1 BBBEE contributor, partnering with Suis supports your transformation goals and preferential procurement targets.
See how South African businesses are thriving with sustainable energy solutions designed and delivered by Suis.
450kWp rooftop solar installation powering 60% of daytime operations for one of Durban's premier retail destinations.
Hybrid solar-battery system ensuring zero production downtime during load shedding for a 24/7 manufacturing facility.
Community microgrid serving 12 farms with solar, battery, and smart monitoring for agricultural energy independence.
Use our free energy calculator to estimate cost savings, compare renewable solutions, and generate a preliminary energy transition plan.
Stay informed with analysis, guides, and thought leadership on South Africa's evolving energy landscape.
A comprehensive guide to the latest Section 12B and 12L tax incentives for renewable energy investments in South Africa.
Breaking down the real costs and returns of commercial battery storage, including load shedding resilience and time-of-use optimisation.
Step-by-step guide for South African businesses to transition from Eskom dependency to full energy self-sufficiency.
Hear what our clients have to say about their experience working with the Suis team.
"Suis transformed our energy strategy completely. The solar installation at our headquarters has cut our electricity bill by 52%, and the battery backup means we haven't experienced a single minute of downtime during load shedding."
"The energy audit Suis conducted revealed savings opportunities we never knew existed. Their team was professional, thorough, and delivered a clear roadmap that our board approved immediately. Outstanding service."
"As a manufacturing business, uninterrupted power is everything. Suis designed a hybrid system that keeps our lines running 24/7. The ROI has exceeded every projection they shared with us. Highly recommend."