Nine years building and operating C&I renewables across the region.

Coats Phong Phu — proving Zero Capex worked in Vietnam.

The first commissioned project under SPUC's Zero Capex PPA model, in District 9, Ho Chi Minh City. The 500 kWp Phase 1 system feeds the Coats Phong Phu thread factory under a long-term PPA at a price competitive with EVN's retail tariff — the customer pays nothing upfront, SPUC owns and operates the system, electricity is sold via the PPA.

The project carried strategic weight beyond its size. It was supported by the UK Foreign & Commonwealth Office's Prosperity Fund through the Supporting Southern Vietnam Solar Photovoltaic Development (Solar Hub) initiative — a UK government-Dragon Capital partnership backing the first wave of Vietnamese C&I solar. The launch event in District 9 was attended by the British Ambassador to Vietnam. For SPUC, it set the template that the whole platform was built on. For the Vietnamese market, it was one of the first credible Zero Capex deals.

De Heus / Proconco — the multi-site MNC PPA template.

De Heus is a Dutch global animal-feed leader operating production facilities in over 90 countries, with 16 feed mills across Vietnam under the De Heus, Windmill, Koudijs, Proconco, and Anco brands. In 2023, Green Roof and De Heus signed a strategic MOU committing to a multi-site rooftop solar rollout across the Vietnamese portfolio.

Each commissioned site offsets approximately 20–30% of daily energy needs against the factory's grid demand. Across the planned portfolio, the rollout produces more than 15 million kWh of clean energy per year and avoids more than 5,900 tonnes of CO₂ annually. The Proconco Binh Dinh site went into construction in 2025; sister sites continue in sequence. The structure became a reference template for how to do rolling MNC engagements in Vietnam — single MOU at the group level, project-by-project execution at the facility level, consistent technical and commercial terms across the portfolio.

"By managing the entire project cycle — from initial investment and installation to operation and maintenance — we enable our esteemed client to maximise their usage of clean energy in production with no capital outlay." — Rob Santler, then CEO of Green Roof Asia, public statement at De Heus partnership signing.

Lotte Chemical Vietnam — solving the grid-connection knot.

Lotte Chemical is the petrochemicals arm of Korean conglomerate Lotte Group, with operations across Asia. The Vietnamese facility was targeting reduced electricity cost, progress toward Lotte's net-zero target, and a Green certificate for the site. BECIS was selected to deliver an onsite rooftop solar system under a long-term service agreement.

The technical scope was straightforward: a 917 kWp rooftop installation cutting 943.69 tonnes of CO₂ per year. The harder part — the part that defined the engagement — was the grid connection. After contract signing, securing connection approval from the local Department of Industry and Trade required engagement that BECIS led directly. Approval came through; the system was commissioned; the customer captured the planned cost reduction and emissions savings. The lesson generalises: in Vietnamese C&I solar, the technical work is rarely what makes or breaks a deal — it's the regulatory and counterparty engagement around it.

Heineken Cambodia biomass — opening BECIS Cambodia.

BECIS Cambodia's first project, and Cambodia's largest biomass power plant at commissioning. Located at Heineken's Phnom Penh brewery in Chbar Ampov district, the facility burns approximately 45 tonnes of rice husk per day — sourced from Prey Veng province — to generate steam supplying the brewery's full thermal load. The output enables Heineken Cambodia to reach 100% renewable thermal energy for its production site, cutting brewery CO₂ emissions by 60% (~17,000 tonnes per year).

The project was admitted as a Qualified Investment Project by Cambodia's Council for the Development of Cambodia, broke ground on 8 December 2021, and was inaugurated on 22 September 2022 in front of Heineken Group Chairman & CEO Dolf van den Brink and the Cambodian Minister of Environment. The General Manager remit covering BECIS Vietnam and Cambodia sat with Rob Santler; country delivery on the ground in Cambodia was led by Neil Allen as BECIS Cambodia Country Manager. Both attribution lines hold; neither erases the other.

Solana Solar Beta (Hermosa) — institutional-grade utility solar.

Green Roof Asia's flagship Philippine ground-mount asset: a 22.785 MWp solar plant in Barangay Balsik, Hermosa, Bataan, developed by Green Roof Philippines via SPV Solana Solar Beta Inc. Backed by Climate Fund Managers and Norfund, the project broke ground on 11 April 2025 with construction commencing 11 July 2025 and reached Commercial Operation in April 2026.

The project sits at a different scale and structure from the Vietnamese rooftop portfolio — utility ground-mount rather than C&I rooftop, equity-financed by climate-focused institutional capital rather than Zero Capex C&I PPA, with a structured ESG envelope including formal public consultation, biodiversity protection (Narra tree earth-balling and relocation), and a Community Development Programme delivering Solar-Powered Irrigation Systems to local farmer associations. It demonstrates the operational discipline required to deliver an institutional-grade asset against IFC-aligned ES&HS standards in a developing-market context — discipline that translates directly into the Vietnamese C&I work where international financing increasingly demands the same envelope.