Small business banking
0800 269 763
www.bnz.co.nz/business-banking/loans-and-finance/green-business-loans (external link)
Medium, large business and agribusiness
0800 273 916
www.bnz.co.nz/business-banking(external link)
www.bnz.co.nz/business-banking/partners/agribusiness(external link)
Sustainable finance
www.bnz.co.nz/business-banking/loans-and-finance/green-business-loans(external link)
Corporate and institutional banking
www.bnz.co.nz/institutional-banking(external link)
BNZ provides sustainable finance solutions to help businesses invest in renewable energy, energy efficiency and decarbonisation projects. Finance is available for eligible investments including solar PV, battery storage, process heat electrification, energy efficiency upgrades and low-emissions technologies.
Funding is available through Green Business Loans and Productivity Financing solutions, with lending structures designed to support investment in sustainable assets and business productivity improvements. Finance is tailored to project requirements and subject to BNZ's standard lending criteria.
Sustainable finance offering
BNZ provides a range of sustainable finance products designed to support investment in renewable energy, energy efficiency and decarbonisation projects.
Products include:
- Green Business Loan
- Minimum lending: $5,000
- No specified maximum
- Available across eligible business lending products
- www.bnz.co.nz/business-banking/loans-and-finance/green-business-loans
- Productivity Financing <<cannot find link on website>>
- Minimum lending: $500,000
- No specified maximum
Business customer segments
BNZ provides sustainable finance solutions for:
- SME and commercial businesses
- Agribusiness
- Corporate customers
- Institutional customers
Eligible technologies and projects
Depending on the finance product, eligible projects may include:
- Solar PV
- Battery storage
- Renewable energy projects
- Energy management systems
- Energy efficiency upgrades
- Fuel switching and energy transition projects
- Heat pumps
- Process heat electrification
- Electric vehicles
- Low-emissions commercial vehicles
- EV charging infrastructure
Productivity Financing may also support:
- New plant and equipment
- Business systems and software
- Process improvements
- Operational efficiency initiatives
- Staff capability and productivity programmes
How the finance works
BNZ provides traditional business lending through Green Business Loans and tailored Productivity Financing solutions. Green Business Loans provide discounted lending for eligible sustainability projects, while Productivity Financing offers flexible repayment structures that allow businesses to invest before productivity gains are fully realised. Lending is subject to BNZ's standard credit assessment and eligibility criteria
All information above reflects details supplied by BNZ in its February 2026 EECA Service Provider Bio Form response to EECA.