For a Menifee homeowner reviewing Powerwall data before an outage, read the numbers and units alongside the graph. A lower-looking peak on a different day does not necessarily mean lower demand: the displayed scale can change.
This is preparedness guidance based on sources checked October 24, 2026, not notice of a current blackout. Learning the display beforehand can make a household’s backup discussion more useful.
Compare values, not just graph shapes
Tesla’s Energy Data guide says the graph axis rebalances when you swipe between days. It describes Day view as timestamped power data, while Month, Year and Lifetime views show total energy. The guide identifies app version 4.23.2 as its reference; your interface may differ.
Check the selected component, date, timescale and units before comparing screenshots. Tesla also describes holding a graph to inspect a particular timestamp.
For example, two hypothetical screenshots could show similarly tall peaks but different numbered axes. Compare the numerical power readings rather than concluding that the loads were equal. A monthly energy total is also a different quantity from one moment’s power reading.
Turn the review into an outage plan
Kilowatts describe the rate of power use; kilowatt-hours describe energy used over time. For a simple illustration, a constant 1 kW load for two hours consumes 2 kWh. Actual household demand varies, so that arithmetic is not a runtime forecast.
Tesla’s outage guidance explains that combined appliance demand must stay within the system’s power capability. Reducing energy-intensive activities can help extend backup duration.
Ask your installer to connect the data review to three practical questions:
- Which circuits and appliances actually have backup?
- Which optional loads should wait during an interruption?
- What changes when solar production is low or there is no overnight recharge?
Keep equipment limits and current charge in that discussion. Historical graphs do not guarantee tomorrow’s sunlight, stored energy or appliance demand. Ordinary grid-tied solar alone generally does not provide outage power; solar recharging during an outage requires compatible backup equipment and suitable sunlight.
Use SCE for the neighborhood’s outage status
Menifee’s preparedness page identifies Southern California Edison as the local electric utility and encourages residents to register for utility and county alerts. Confirm your own service account and keep those channels accessible.
Use SCE’s address-specific outage information for utility status. Your home’s energy graph is not a neighborhood outage map or a restoration promise. Our Menifee restoration-estimate guide explains how to keep utility updates separate from your battery plan.
Include a monitoring walkthrough in the proposal
A qualifying no-upfront solar-plus-battery PPA can help eligible homeowners access useful backup without purchasing equipment upfront. Ask the provider to include an explanation of the installed system’s monitoring, supported loads and operating instructions.
The CPUC solar guide explains provider ownership and ongoing payments for generated solar electricity. Review eligibility, the energy rate, escalator, term, battery ownership and fees, maintenance and home-sale provisions, together with remaining utility charges. No upfront purchase does not mean free electricity, guaranteed savings or unlimited backup.
Bring your Menifee bill, household priorities and questions about the app to a West Coast Alternatives consultation. A clear proposal should explain both the equipment and how your household will use its information.