Size your solar system. Estimate cost, panel count, payback period. Net metering + battery options.
Net metering can sell excess to grid. Battery backup adds 60-80% cost. Tier-1 panel brands (Canadian Solar, Jinko, Longi) recommended.
Grid-tied best ROI (4-6 year payback). Hybrid for outage backup, 7-9 year payback. Off-grid only where grid unavailable.
System generates electricity. Excess (when you're not consuming) is sold back to grid. NEPRA-approved net metering gives credits on bill. Apply through local DISCO.
Panels: Canadian Solar, Jinko, Longi, JA Solar (Tier-1). Inverters: Growatt, Solis, SMA, Huawei. Avoid cheap unknown brands.
~80-100 sqft per 1 kW. 5 kW system needs ~450 sqft clear south-facing roof.
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