Switching to solar power helps Invercargill homeowners and businesses cut energy costs while embracing sustainable solutions suited to Southland conditions. The best solar installers in Invercargill deliver expert panel installations, battery storage, and off-grid systems tailored to local climate and property needs. World Solar and PBS stand out among trusted local providers for reliable, high-quality work.
1World Solar
World Solar is NZ’s premier solar provider with a dedicated local office in Invercargill. They specialise in custom residential, commercial, and agricultural solar systems, including battery storage options like Tesla Powerwall, to deliver energy independence and bill savings across Southland.
Services
- Residential solar installations
- Commercial solar solutions
- Agricultural solar systems
- Battery storage and energy management
Highlights
- Certified installers delivering 25+ year warranties
- Partnerships with premium brands including Trina Solar, Longi, Huawei, SolarEdge, and Tesla
- Local Invercargill office supporting Southland projects
- Flexible financing options with interest-free periods available
Location & Contact
Name: World Solar
Address: 228 Dee Street, Invercargill 9810
Phone: 0800 876 527
Website: worldsolar.co.nz
2PBS
PBS is an Invercargill-based company providing solar power, solar hot water, and off-grid solutions throughout Southland. All work is completed by qualified electricians and plumbers, ensuring compliant installations for homes, businesses, and dairy properties.
Services
- Solar photovoltaic power installations
- Solar hot water systems
- Off-grid energy solutions
- Design and installation for domestic, commercial, and dairy properties
Highlights
- Over 100 solar power systems and 250 solar hot water systems installed
- Members of SEANZ and the Solar Association of New Zealand
- Products selected for New Zealand’s variable climate conditions
- Use of SMA products for reliable off-grid performance
Location & Contact
Name: PBS
Address: 20A Bay Road, Grasmere, Invercargill 9810
Phone: 03 215 7077
Website: pbsnz.com
3Tansley Electrical
Tansley Electrical’s Invercargill branch delivers specialist solar power installations alongside comprehensive electrical services. With over 60 years of experience in the lower South Island, their award-winning team handles projects for homes, businesses, and remote Southland locations.
Services
- Solar and wind renewable energy installations
- Commercial electrical services
- Industrial process control services
- Data and communications installations
Highlights
- Over 60 years operating in the lower South Island
- Master Electricians with an award-winning team
- Invercargill branch specialising in solar power installations
- Completed solar projects for DOC huts and Southland buildings
Location & Contact
Name: Tansley Electrical
Address: 120 Clyde Street, West Invercargill, Invercargill 9810
Phone: 03 214 7738
Website: tansleyelectrical.co.nz
4Sunshine Solar
Sunshine Solar is New Zealand’s most experienced solar provider with over 22 years in business and thousands of installations nationwide, including dedicated service in Invercargill and Southland. They design and install custom residential, commercial, and public sector systems optimised for local conditions.
Services
- Residential solar systems
- Commercial solar installations
- Public sector and government solar projects
- Battery storage with smart monitoring
Highlights
- 22+ years experience with 8,000+ installations completed
- 30-year panel warranty on systems
- Full in-house team handling design, installation, and support
- NZ-focused engineering with performance guarantees
Location & Contact
Name: Sunshine Solar
Address: Invercargill
Phone: 0800 786 744
Website: sunshinesolar.co.nz
5Harrisons Solar
Harrisons Solar is New Zealand’s #1 solar retailer, providing tailored solar solutions for homes and businesses with local experts serving the Invercargill and Southland region. They focus on affordable, high-quality systems that deliver energy independence and sustainability.
Services
- Residential solar systems
- Commercial solar installations
- Battery storage solutions
- On-site consultations and custom quotes
Highlights
- NZ’s largest solar retailer and #1 Tesla Certified installer
- 100% Kiwi owned family business
- Best price guarantee on premium products
- Locally owned mobile experts serving Southland
Location & Contact
Name: Harrisons Solar
Address: Invercargill
Phone: 0800 00 33 55
Website: harrisonssolar.co.nz
Solar Installers in Invercargill at a Glance
| Business | Based in | Highlight |
|---|---|---|
| World Solar | Invercargill | Certified installers delivering 25+ year warranties |
| PBS | Grasmere | Over 100 solar power systems and 250 solar hot water systems installed |
| Tansley Electrical | West Invercargill | Over 60 years operating in the lower South Island |
| Sunshine Solar | Invercargill | 22+ years experience with 8,000+ installations completed |
| Harrisons Solar | Invercargill | NZ's largest solar retailer and #1 Tesla Certified installer |
How to Choose the Right Solar Installer in Invercargill
- Look for installers experienced with Invercargill’s specific weather patterns, sunlight hours, and Southland climate to optimise panel placement and performance.
- Verify certifications and memberships with industry bodies such as SEANZ to ensure compliance and quality workmanship.
- Request a detailed on-site energy audit and custom system design based on your property’s usage and roof suitability.
- Ask about long-term warranties, maintenance support, and post-installation monitoring to protect your investment.
- Consider companies offering flexible financing options or guidance on available local incentives and rebates.
Frequently Asked Questions About Invercargill Solar Installers
Is solar power a good investment in Invercargill?
Yes, solar power offers strong returns in Invercargill due to the region’s long summer daylight hours and clear skies. Systems can significantly reduce electricity bills, with many homeowners seeing payback periods of five to seven years depending on system size and usage.
How much sunlight does Invercargill receive for solar panels?
Invercargill benefits from approximately 1,800 to 2,000 sunlight hours annually. The southern latitude provides extended daylight in summer, supporting consistent energy generation year-round when systems are properly designed.
Do I need council approval for solar panels in Invercargill?
Most residential solar installations do not require building consent if they meet safety standards and do not affect structural integrity. Check with Invercargill City Council or your installer for larger or commercial systems. building.govt.nz provides guidance on consent requirements.
Are battery storage options available with solar in Invercargill?
Yes, many installers offer battery storage solutions such as Tesla Powerwall to store excess energy for evening use or cloudy days. This is particularly useful for maximising self-consumption and providing backup power.
Can solar panels perform well in Southland winters?
Modern solar panels operate efficiently in cooler temperatures and under diffused light. While output is lower in winter due to shorter days, well-designed systems still deliver meaningful savings throughout the year.
What financing options are available for solar installations?
Installers often partner with banks and finance providers for interest-free or low-rate loans on solar systems. Options may include top-ups on existing home loans or specific sustainable energy products. consumer.org.nz offers advice on comparing finance deals.
How do I connect a solar system to the grid in Invercargill?
Your installer will handle grid connection applications with the local lines company. Approval processes ensure safety and compliance with network standards. Contact your chosen provider for details on timelines and requirements.
How We Chose the Best Solar Installers in Invercargill
Every business in this guide was found by searching for solar installers in Invercargill, then checked against its own website. Names, addresses and phone numbers are taken from the business’s own site rather than a directory feed, so what you see here is what they publish themselves. We also check that each one is actually based in or genuinely serving Invercargill, rather than a national operator running a local landing page. A business with no website of its own is not listed, because there is no primary source to verify it against.