Understanding Your Electricity Bill

To understand how much solar saves you, you first need to understand what you're paying for.

Typical Bill Components

Most residential electricity bills include:

1. Energy charge (50–70% of your bill) The cost per kWh of electricity you consume. This is the part solar directly reduces.

Typical residential rates vary widely (2026):

United States: $0.12–$0.25/kWh (varies by state)
Germany: €0.30–€0.40/kWh
United Kingdom: £0.24–£0.30/kWh
Australia: AUD 0.25–$0.35/kWh
Spain/Italy: €0.15–€0.25/kWh
India: ₹4–₹8/kWh (€0.04–€0.09)

2. Network/distribution charge (15–25%) The cost of maintaining the grid infrastructure. Usually charged per kWh or as a fixed monthly fee. Solar may partially reduce this, depending on your country's tariff structure.

3. Taxes and levies (10–20%) VAT, renewable energy levies, and other government charges. In most countries, these scale with consumption, so solar reduces them proportionally.

4. Fixed charges (5–10%) Monthly meter fee, connection fee, or minimum charge. Solar doesn't affect these — you pay them regardless of consumption.

How Solar Changes Your Bill

Without solar: You pay for every kWh consumed.

With solar (no net metering): You pay only for kWh consumed from the grid. Daytime consumption drops significantly.

With solar + net metering: Your exported kWh offset your imported kWh. You may pay close to zero, or even receive a credit.

Reading Your Meter

With solar and net metering, your meter tracks two values:

Import — electricity drawn from the grid
Export — electricity sent to the grid

Your bill is based on the difference (import minus export).

How to Calculate Your Savings

Find your current annual kWh consumption (from 12 months of bills)
Use our calculator to estimate your solar production
Estimate your self-consumption ratio (typically 30–40% without battery, 60–80% with)
Savings = (Self-consumed kWh × retail rate) + (Exported kWh × export rate)

Rising Electricity Prices

Electricity prices globally have risen 5–15% per year in recent years and are expected to continue climbing as countries phase out fossil fuel subsidies and transition to cleaner energy markets.

This is good news for solar owners: your savings grow every year as grid prices increase while your solar cost is locked in.