SDG&E Solar Net Metering: How to Maximize Your Savings

Understanding SDG&E Net Energy Metering (NEM) 3.0

For California homeowners in San Diego Gas & Electric (SDG&E) territory, solar energy remains a powerful tool for controlling utility costs. However, the transition to NEM 3.0 has shifted how residents interact with the grid. Understanding these changes is the first step toward achieving energy independence.

What Changed with NEM 3.0?

Under the previous NEM 2.0 policy, solar owners were credited for their excess energy at nearly the full retail rate of electricity. Under NEM 3.0, the focus has shifted toward incentivizing self-consumption and battery storage. The compensation rates for exporting energy to the grid now fluctuate based on an 'Avoided Cost Calculator,' which accounts for the time of day and the real-time value of that energy to the grid.

Strategies to Maximize Your ROI

Because export credits are lower during peak production hours in the middle of the day, the 'sell it all back' strategy is no longer the most effective approach. Instead, focus on these three pillars of savings:

• Battery Storage is Key: With NEM 3.0, storing your solar energy during the day to use during the evening peak period (4 PM to 9 PM) is the best way to avoid high time-of-use (TOU) rates.
• Shift Your Load: Run high-energy appliances—like dishwashers, clothes dryers, and pool pumps—during the middle of the day when your solar panels are most productive.
• System Sizing: Work with your installer to right-size your system. In some cases, adding a few extra panels can help ensure you have enough power to charge your battery even on cloudy days.

Navigating Time-of-Use (TOU) Rates

SDG&E utilizes TOU rates, meaning electricity costs more when the grid is under stress. By using your stored solar energy during the 4 PM to 9 PM window, you protect your wallet from the most expensive utility rates. This is known as 'load shifting,' and it is the most critical skill for a modern solar owner.

Federal Incentives and Local Support

While state-level policies like NEM 3.0 have changed, federal support remains robust. The Federal Solar Investment Tax Credit (ITC) allows homeowners to claim 30% of their total solar installation costs as a credit against their federal income taxes. This applies to both the solar panels and the battery storage system, significantly lowering the barrier to entry.

Take Control of Your Energy Future

Transitioning to solar is a long-term commitment, and being informed is your greatest asset. While the utility landscape in California is constantly evolving, solar energy remains a smart financial move for most San Diego homeowners when designed correctly for the current regulatory environment.

Ready to see what solar could look like for your specific home? Visit the Apollo Solar Program Free Savings Calculator to get a clear, no-pressure estimate of your potential long-term energy savings.