Section 12B · Manufacturing

Section 12B Solar Tax Deduction for Manufacturing

Manufacturing facilities are among the highest energy consumers in South Africa, making them ideal candidates for solar investment. Section 12B allows you to deduct 125% of your solar installation cost in the first year, dramatically reducing your effective payback period.

Manufacturing Energy Profile

Manufacturing plants typically run heavy machinery during daylight hours, aligning perfectly with peak solar generation. A 250 kW system can offset a significant portion of daytime grid consumption.

Typical System

250 kW

Monthly Usage

45,000 kWh

Peak Hours

06:00-18:00

Solar Match

85%

How Section 12B Benefits Manufacturing

For manufacturers investing R3.5 million in solar, Section 12B delivers a first-year tax deduction of R4.375 million (125%). At a 27% corporate tax rate, this translates to R1.18 million in tax savings.

Industrial roofs on manufacturing facilities offer large, unobstructed surface areas ideal for solar panel installation. Flat roof mounting systems maximise generation while avoiding structural modifications.

Example: 250 kW System for Manufacturing

Based on typical industry parameters. Your actual results will vary.

Section 12B Deduction

R3,500,000

Year 1 Tax Saving

R945,000

Payback (with tax)

2.2 yrs

Simple Payback

2.8 yrs

IRR

50.8%

25-Year Saving

R154,598,255

Manufacturing Solar ROI by City

Johannesburg Gauteng Cape Town Western Cape Durban KwaZulu-Natal Port Elizabeth Eastern Cape

Frequently Asked Questions

Most manufacturing facilities install systems between 200 kW and 500 kW depending on machinery load and operating hours. A 250 kW system is common for medium-sized plants.

Yes, the tax deduction applies to the entity that owns the solar asset, not the building. If you own the solar system installed on a leased premises, you can claim Section 12B.

A 250 kW system generating 45,000 kWh per month at R2.85/kWh saves approximately R128,250 monthly on electricity costs before accounting for the tax benefit.

Other Industries

Retail Office/Commercial Warehouse/Distribution Agriculture Hospitality Healthcare

Ready to see your exact numbers?

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