Commercial Solar
New South Wales
The complete commercial solar guide for New South Wales businesses. System costs, government incentives, LGC eligibility, DNSP connection, and ROI analysis — updated March 2026.
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New South Wales Commercial Solar — Key Metrics 2026
Peak Sun Hours
4.6h
Daily average
Commercial Rate
30c/kWh
Average NSW tariff
100 kW Savings
$29,663
Electricity/yr
200 kW LGC
$11,001
Cert. revenue/yr
Typical Payback
3.0yr
100 kW system
500 kW Total
$175,816
Savings+LGC/yr
DATA: CLEAN ENERGY REGULATOR · AEMO · AUSGRID · UPDATED MARCH 2026
Commercial Solar in New South Wales — 2026 Overview
New South Wales is home to Australia's largest commercial solar market by total installed capacity, with over 1.2 GW of commercial and industrial solar deployed across the state as of 2026. The combination of 4.6 peak sun hours daily, commercial electricity rates averaging 28–34c/kWh, and Australia's most densely concentrated industrial economy — particularly in Western Sydney — creates exceptional commercial solar economics for NSW businesses.
The state's commercial solar market is anchored by Western Sydney's massive manufacturing and logistics corridor (Wetherill Park, Ingleburn, Eastern Creek, Yennora), the Hunter Valley's industrial and agribusiness operations, and the growing coastal commercial precincts from the Central Coast to Wollongong. Businesses with annual electricity consumption above $50,000/year and available roof space consistently achieve payback in 4–6 years, with systems above 100 kW achieving 3.5–5 years through LGC revenue.
NSW's three distribution network service providers — Ausgrid (Greater Sydney and Hunter), Endeavour Energy (western and south-western Sydney), and Essential Energy (regional NSW) — each have different connection processes and timelines. Commercial solar installers with NSW experience manage DNSP applications as a standard part of the project. The NSW government's Net Zero Economy Authority provides a supportive policy backdrop, and the federal CEFC offers low-interest financing for qualifying commercial renewable energy projects.
Commercial Solar Costs — New South Wales 2026
Installed system prices for NSW including panels, inverters, racking, electrical work, monitoring, DNSP application management, and commissioning. LGC revenue figures at $42/MWh. Self-consumption modelled at 70%.
| System | Installed Cost | Elec. Savings/yr | LGC Rev/yr | Total Benefit | Payback | Incentive |
|---|---|---|---|---|---|---|
| 50 kW | $60,000–$67,500 | $14,831 | — | $14,831 | 4.0 yr | STCs |
| 100 kW | $105,000–$120,000 | $29,663 | $5,500 | $35,163 | 3.0 yr | LGCs * |
| 200 kW | $180,000–$210,000 | $59,326 | $11,001 | $70,327 | 2.6 yr | LGCs * |
| 500 kW | $450,000–$525,000 | $148,314 | $27,502 | $175,816 | 2.6 yr | LGCs * |
* LGCs ≈$42/MWh · systems ≥100 kW · 70% self-consumption modelled · costs before STCs or LGC revenue
Commercial Solar by Industry — NSW
Each industry sector in New South Wales has different electricity consumption patterns, roof characteristics, and commercial solar ROI. Here's how the key sectors stack up:
🏭Manufacturing & Industrial — Western Sydney
NSW's western Sydney manufacturing belt — spanning Wetherill Park, Ingleburn, Minto, Yennora, Eastern Creek, and the M7 corridor — is Australia's most concentrated industrial commercial solar market. Facilities here typically pay 28–34c/kWh with demand charges adding 20–35% to energy costs. A 300 kW rooftop system on a 10,000m² warehouse in Western Sydney generates approximately 1,080 MWh/year, saving $300,000+ annually including LGC revenue. Ausgrid and Endeavour Energy's connection processes in the Western Sydney industrial corridor are well-established, with most commercial applications resolved within 10–12 weeks. Key sub-precincts: Wetherill Park (food manufacturing, automotive), Ingleburn-Minto (engineering, logistics), Eastern Creek-Minchinbury (large-format retail DCs, cold chain), Yennora (freight, warehousing).
❄️Cold Storage & Food Distribution
Cold storage and food distribution facilities are among Australia's highest commercial solar candidates — refrigeration compressors run continuously, creating high baseline electricity loads regardless of time of day. A solar-plus-battery system on a Sydney cold storage facility can reduce grid demand during peak pricing periods (4–8pm on hot days), materially reducing demand charges. Facilities at Sydney Markets Flemington, the Chullora food precinct, and distribution centres along the M7 and M5 corridors benefit from solar generation profiles that broadly align with maximum refrigeration load (warm daytime periods require more cooling). A 500 kW solar plus 1 MWh battery system at a Yennora cold storage facility saves approximately $280,000/year in combined electricity and demand charge reductions, plus LGC revenue.
🏢Commercial Property & REIT Portfolios
Large-format retail centres, logistics parks, and commercial office portfolios across Greater Sydney are rapidly adopting commercial solar — both for operating cost reduction and to meet ESG commitments driven by tenant and investor expectations. Property groups including Dexus, Mirvac, Stockland, and Charter Hall have all installed commercial solar across NSW assets. The commercial property solar opportunity is particularly strong for shopping centres with large flat roof areas; logistics parks with warehouse rooftops; office parks in business districts like Norwest, Macquarie Park, and Sydney Olympic Park; and industrial estates across Western Sydney. For property owners, solar provides both a direct cost saving and an asset enhancement that can be reflected in valuation through improved sustainability ratings.
🌾Agribusiness — Hunter & Regional NSW
Regional NSW agribusiness — from the Hunter Valley's wine and equine industries to the Riverina's grain and dairy sector — represents a distinct commercial solar market. Irrigation pumping arrays for cotton and rice in the Murrumbidgee irrigation area, grain handling equipment in the Riverina, post-harvest packing and cool rooms in the Orange citrus region, and winery refrigeration in the Hunter Valley all suit commercial solar well. Essential Energy's regional connection process is straightforward for grid-connected sites, and many remote properties opt for standalone solar-battery systems that eliminate diesel generation entirely. Key Regional NSW commercial solar opportunities: Murrumbidgee Irrigation Area (irrigation pumping, 100–500 kW arrays), Hunter Valley (wineries, equine facilities), Orange and Cowra (horticulture, cold storage), Tamworth and Dubbo (agribusiness processing, transport depots).
🚛Logistics, Transport & Fleet Operations
NSW's logistics and transport sector — the largest in Australia — encompasses distribution centres, freight terminals, truck depots, and container yards that collectively represent massive commercial solar potential. The Port of Botany precinct, the Moorebank Intermodal Terminal, and logistics parks along the M7 corridor all have vast roof areas suited to commercial solar. Fleet operators in the Erskine Park, Minchinbury, and Smeaton Grange precincts increasingly combine rooftop solar with EV charging infrastructure, creating solar-to-vehicle systems that can reduce fleet energy costs by 70–80% compared to grid charging. A 1 MW installation at a Moorebank DC generates approximately $430,000/year in combined electricity savings and LGC revenue.
Commercial Solar by City — NSW
Select your New South Wales city for detailed commercial solar analysis including local grid conditions, DNSP specifics, and business-type breakdowns:
GRID CONNECTION — NSW
Connecting Commercial Solar to the NSW Grid
NSW commercial solar connections are managed by three DNSPs. Ausgrid covers Greater Sydney metro, the Hunter Valley, and the Central Coast — processing most commercial connection applications within 8–12 weeks. Endeavour Energy covers south-western and western Sydney (Penrith, Liverpool, Campbelltown, the Blue Mountains) with typical commercial connections taking 10–14 weeks. Essential Energy covers all of regional NSW — from New England to the Far West and South Coast — with connection timelines varying significantly by location: regional towns with established infrastructure may be approved in 8 weeks, while remote areas can take 4–6 months.
For commercial systems above 30 kW, businesses must submit a formal Connection Enquiry to their DNSP before engaging an installer. The enquiry triggers a Network Impact Assessment that determines whether the local network can support the system, any export limitations that apply, and any augmentation costs the business must contribute. In dense solar penetration areas (particularly in the inner suburbs and some western Sydney zones), Ausgrid may apply export limits that require system design adjustments. NSW's Independent Pricing and Regulatory Tribunal (IPART) oversees the access and pricing framework for commercial grid connections.
Under the NSW Feed-in Tariff Order, eligible small commercial businesses receive a minimum FIT benchmark set by IPART — currently approximately 5.5c/kWh. This is substantially below the 28–34c/kWh commercial purchase rate, reinforcing the priority of maximising self-consumption. For larger commercial systems, FIT rates are negotiated directly with electricity retailers as part of a commercial energy supply agreement.
DNSP(S)
Ausgrid, Endeavour Energy, Essential Energy
CONNECTION TIME
8–14 weeks (>30 kW)
LGC THRESHOLD
100 kW
REGULATOR
IPART
Commercial Solar Incentives — NSW 2026
NSW businesses access three primary incentive streams for commercial solar. Federal Small-scale Technology Certificates (STCs) provide upfront discounts for systems under 100 kW — Zone 2 STCs for a 99 kW NSW system are worth approximately $16,000–$22,000 as a point-of-sale reduction. For systems 100 kW and above, Large-scale Generation Certificates (LGCs) replace STCs as the primary incentive mechanism. At approximately $42/MWh, a 200 kW NSW system generates approximately $29,000/year in LGC revenue, and a 500 kW system generates $72,000/year. LGC eligibility requires CER accreditation, which your installer manages.
Beyond certificates, NSW businesses benefit significantly from ATO tax depreciation. Commercial solar installations are depreciable under Division 40 (effective life: 20 years) or, where applicable, under temporary full expensing provisions. A $250,000 solar installation generates $12,500/year in depreciation deductions at the straight-line rate, or significantly more in early years under the diminishing value method. The combined effect of depreciation and solar savings can reduce effective payback periods by 1–2 years compared to a simple electricity savings calculation.
The Clean Energy Finance Corporation (CEFC) provides low-interest financing for NSW commercial solar projects above $50,000, accessible through accredited lenders. For larger projects above $500,000, direct CEFC financing is available. The NSW government's Electricity Infrastructure Roadmap has also created frameworks for large commercial and industrial (C&I) renewable energy contracts, relevant for businesses consuming above 1 GWh/year.
FEDERAL STCs (<100 kW)
~$16,632
Approx. upfront discount · 99 kW system · Zone 2
LGCs (≥100 kW)
$11,001/yr
Annual LGC revenue · 200 kW NSW system · ~$42/MWh
ATO DEPRECIATION
Div. 40 / Temp. Full Exp.
Commercial solar depreciable over 20 yrs; accelerated options available
CEFC FINANCING
Low-Interest Loans
From $50K · qualifying commercial renewable projects
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Calculate My NSW ROIFREQUENTLY ASKED QUESTIONS — COMMERCIAL SOLAR NSW
What is the average commercial solar payback in NSW 2026?
NSW commercial solar payback periods range from 3.5 to 6.5 years depending on system size and configuration. Systems above 100 kW that qualify for LGC revenue achieve 3.5–5 year payback. Smaller sub-100 kW systems on STCs achieve 4.5–6.5 years. NSW's commercial electricity rates of 28–34c/kWh are among Australia's highest, which compresses payback periods. Western Sydney manufacturers and cold chain operators consistently report the shortest paybacks (3.5–4.5 years) due to their high consumption and large roof areas.
Which Sydney suburbs have the best commercial solar opportunity?
Western Sydney offers the most concentrated commercial solar opportunity: Wetherill Park, Ingleburn, Minto, Eastern Creek, Yennora (Ausgrid network); Penrith, Campbelltown, Minto (Endeavour Energy). The Hunter Valley (Newcastle, Maitland, Cessnock) is NSW's second-largest commercial solar market. The Northern Beaches industrial zone (Brookvale, Belrose) and the south Sydney industrial precincts (Botany, Alexandria, Port Kembla) also have strong adoption. Regional NSW markets include Wagga Wagga, Tamworth, Orange, and Dubbo — all served by Essential Energy.
What is the LGC process for NSW commercial solar?
Systems above 100 kW are accredited by the Clean Energy Regulator (CER) as Registered Emission Units under the RET. Your commercial solar installer prepares and submits the accreditation application, which typically takes 4–8 weeks. Once accredited, your system creates LGCs automatically based on metered generation — one LGC per MWh generated. You then sell these certificates quarterly through a registered agent or directly to liable entities (electricity retailers). At approximately $42/MWh, a 200 kW NSW system earns approximately $29,000/year in LGC revenue.
How does NSW's grid affect commercial solar export?
NSW commercial solar export is managed by your DNSP. In dense solar penetration areas — particularly inner-western Sydney suburbs served by Ausgrid — businesses may face export limits or zero-export requirements. This makes system sizing critical: systems should generally be designed to maximise self-consumption rather than export. For businesses with lower daytime consumption relative to solar generation, battery storage can absorb surplus and shift it to evening hours. In regional NSW under Essential Energy, export is generally more readily accommodated as solar penetration is lower.
Can NSW businesses claim tax depreciation on commercial solar?
Yes. Commercial solar in NSW (and nationally) is a depreciable asset under ATO Division 40 rules, with an effective life of 20 years. The straight-line depreciation rate is 5%/year; the diminishing value rate is 10%/year (front-loading deductions). Where temporary full expensing provisions apply (check current ATO guidance), immediate deduction of the full cost is available. For a $250,000 system, straight-line depreciation generates $12,500/year in deductions — at a 30% tax rate, that's $3,750/year in actual tax savings on top of electricity savings.
How long does commercial solar installation take in NSW?
Total timeline from contract signing to energisation: 10–18 weeks. DNSP connection application: 8–14 weeks. Equipment procurement: 2–6 weeks (ordered in parallel with DNSP approval). Physical installation: 3–10 business days. Metering and commissioning: 1–2 weeks. NSW regulatory requirements: Certificate of Compliance (Electrical) from a licensed contractor. Grid connection approval from DNSP. Businesses in regional NSW (Essential Energy) should allow 12–20 weeks total due to longer network assessment times in some areas.
What commercial solar incentives are available in NSW 2026?
NSW commercial solar incentives: (1) Federal STCs — upfront discount of $16,000–$22,000 on a 99 kW system (Zone 2). (2) LGCs — $29,000–$72,000/year ongoing for 200–500 kW systems. (3) ATO tax depreciation — accelerated deductions reducing effective payback. (4) CEFC low-interest financing — available for projects above $50,000. NSW does not have a state-level commercial solar rebate, but the NSW government's Net Zero Economy Authority supports C&I renewable energy through policy and financing frameworks.
What is the best commercial solar system design for a NSW manufacturing business?
For a NSW manufacturer with high daytime electricity consumption: (1) Size the system to your average daytime load, not your peak consumption. (2) Prioritise east-facing roof areas for morning generation if you have an early shift startup. (3) Consider battery storage if demand charges are significant (battery can reduce peak demand spikes). (4) Install above 100 kW to access LGC revenue. (5) Use a commercial-grade monitoring system to track self-consumption ratio and optimise load scheduling. (6) Engage an installer experienced with your DNSP's connection process — it significantly reduces approval time.