Question 1

Can a DIY system be grid-tied?

Accepted Answer

Not necessarily. Most utilities require licensed electricians or registered installers to sign off, and DIY projects usually cannot be directly grid-tied.

Question 2

Can DIY enjoy subsidies and tax incentives?

Accepted Answer

Eligibility depends on your country and region. Check policies in advance.

United States: The federal government offers a 30% solar Investment Tax Credit (ITC), but most states and utilities require systems to be installed by certified installers, otherwise subsidies or grid connection may not be granted.
Australia: Systems must be installed by Clean Energy Council (CEC) certified installers using certified components to qualify for STC (Small-scale Technology Certificates) subsidies.

Question 3

What if the DIY system malfunctions?

Accepted Answer

Repair costs are borne by yourself. In contrast, professional installers provide warranties and assume responsibility for equipment failures or roof leaks.

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