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Cali Energy, 19145 Parthenia Street Unit E, Los Angeles, CA (2026)

10/08/2026

The best backup battery isn’t a brand. It’s the one whose three published numbers clear your house: usable kWh (how long), continuous kW (how much at once), and motor-start LRA (whether your AC starts at all).

The four we see most:
• Tesla Powerwall 3 — 13.5 kWh usable, up to 11.5 kW, 185 LRA, 10-year warranty (70% at year 10, unlimited cycles)
• FranklinWH aPower 2 — 15 kWh, up to 10 kW (11.5 kVA), 185 A LRA at max setting, 15 years or 60 MWh
• Enphase IQ 10C — 10 kWh, 7.08 kVA, up to 90 A LRA, 15 years or 6,000 cycles
• Enphase IQ 5P — 5 kWh, 3.84 kVA, up to 48 A LRA, same terms, stacks in 5 kWh steps

What that buys you on critical loads (7.2 kWh/day, no sun, 10% reserve): Powerwall 3 about 1.7 days, aPower 2 about 1.9, a single 10C about 1.25, three 5P units about 1.9.

Now the number nobody quotes: running central AC at 4.5 kW steady drains a 13.5 kWh battery in roughly 2.7 hours — and the motor-start rating decides whether the compressor even kicks on. A big tank doesn’t help if the inrush trips it.

Context: 57% of new California residential installs were paired with storage in 2024, up from 14% in 2023. And paired solar-plus-storage ran about $1.70/W more than solar alone.

Before you sign, get it in writing that your compressor or pool pump will start on the battery you’re being sold.

Full comparison, spec by spec:
https://cali-energy.com/blog/best-home-battery-backup-california-2026

Want yours checked against your AC nameplate? (323) 844-7777

Choosing a home battery for backup in California: capacity, continuous power and motor-start ratings from datasheets, a worked example, warranties, 2026 SGIP.

09/30/2026

Battery or generator? For the outages most Californians actually get — short ones and PSPS shutoffs — a battery usually wins. For a rare multi-day blackout, a generator still has an argument.

Upfront cost:
• Home battery — $9,000–$18,000
• Portable generator — under $2,500
• Standby generator — $7,000–$15,000

Running cost: a battery recharges from your solar (effectively $0) or off-peak grid power. A standby generator burns natural gas at ~$3–$5/hour, or propane at $4–$8/hour — and that meter runs the whole outage.

Runtime: a battery is capped by stored energy — a typical 13.5 kWh unit covers essentials for many hours — but if the outage is in daylight, your solar refills it. A generator runs for days or weeks as long as fuel keeps coming.

The daily-life differences: a battery switches over instantly and silently, no emissions, essentially no maintenance. A portable generator means manual starting and extension cords. A standby unit is automatic but loud, needs oil changes, fuel stabilizer and test runs, and takes gas-line and electrical permits plus a transfer switch.

Incentives go one way: batteries can qualify for SGIP, generators get nothing. The 30% federal credit ended December 31, 2025.

Plenty of homes end up hybrid — a battery for everyday reliability, a small portable unit for worst-case events.

Full comparison:
https://cali-energy.com/blog/solar-battery-vs-generator-california

Want backup sized around what you actually need to keep running? (323) 844-7777

Home battery or gas generator for California outages and PSPS? A 2026 head-to-head on cost, fuel, runtime, noise, permits, and SGIP — with a comparison table.

09/28/2026

Reading an SCE solar bill for the first time is confusing on purpose — imports and exports are priced separately, and very differently.

What you pay vs. what you earn:
• Imports — full retail time-of-use rates, from the mid-20¢ range up past 50¢/kWh depending on the period and season.
• Exports — a time-varying avoided-cost credit, illustratively around 5–8¢/kWh at common midday hours. A handful of late-summer evening hours are worth several times that.

You buy high and sell low. That single fact drives every design decision under NEM 3.0.

The rest of the bill:
• Base Services Charge — about $24/month standard residential (~$12 FERA, ~$6 CARE).
• A minimum charge floor.
• Monthly credits roll forward inside a 12-month Relevant Period, settled once a year at true-up. Any leftover surplus pays Net Surplus Compensation — just a few cents per kWh, which is exactly why oversizing an array rarely pays for itself.

The strategy that follows: the most valuable kilowatt-hour is the one your panels make and your house uses in the same moment. Run big loads in daylight, add storage to cover the evening peak instead of buying it at retail, size the system for your actual usage rather than for exports, and check your TOU plan before installation, not after.

Full walkthrough of an SCE solar bill:
https://cali-energy.com/blog/sce-solar-billing-explained

Send us your statement and we'll model it with and without a battery. (323) 844-7777

How an SCE solar bill works under NEM 3.0: separate pricing of imports and exports, hourly export credits, the ~$24 Base Services Charge, and annual true-up.

09/14/2026

How solar actually works, without the sales gloss. Five steps, start to finish.

Sunlight hits silicon. Photons knock electrons loose in the cell, producing direct current — no moving parts, nothing to wear out. Modern panels convert about 19–22% of the light that hits them; premium modules reach 23–24%.
The inverter translates. Your house runs on alternating current, so DC has to be converted. Either one string inverter for the array, or a microinverter on each panel — the per-panel approach helps when shade or soiling hits some modules and not others.
Your house takes it first. Appliances draw solar power in real time as it's made. Nothing travels to the grid and back.
The surplus goes somewhere. Either out to the grid for a credit — under NEM 3.0 in California that's an illustrative 5–8¢/kWh at midday — or into a battery for the evening, when power costs the most.
After dark, production is zero. The house pulls from the battery, then from the grid. For scale: a 7 kW system makes about 7 kWh in an hour at full output.

The part most people don't know until the lights go out: a standard grid-tied system shuts down during a blackout, on purpose, so it can't backfeed the lines crews are working on. Panels alone don't keep your house running in an outage — that takes a battery.

Full explainer, step by step:
https://cali-energy.com/blog/how-solar-panels-work

Want to know what your roof would actually produce? (323) 844-7777

How solar panels work, in plain English: sunlight makes DC in silicon cells, an inverter turns it into AC for your home, and extra flows to the grid or a battery.

09/11/2026

Solar panels don't fail one day — they fade, slowly and predictably. Here's the actual curve.

After the first year, modern panels lose roughly 0.3–0.5% of output annually; premium N-type modules run closer to 0.25%. NREL's long-term benchmark puts the median at about 0.5% a year.

The first year is its own story: traditional P-type panels drop 1–3% from light-induced degradation right away. N-type panels largely avoid it.

What that means over time:
• Year 1 — ~98% (standard) / ~99% (premium N-type)
• Year 10 — ~93.5% / ~96.8%
• Year 25 — ~86% / ~93%
And they keep producing past 25, just at a slowly declining rate.

Two warranties cover this, and people mix them up. The product warranty covers physical defects — 25–30 years on premium modules, 10–12 on budget ones. The performance warranty guarantees a minimum output, typically 84–92% at year 25.

What speeds it up: sustained heat (real on inland LA roofs), microcracks from rough handling or thermal cycling, sloppy installation with loose connections or water intrusion, and salt-air corrosion near the coast. Dirt and shade cut output too — but those are reversible, so check them before blaming age.

The planning takeaway: budget for an inverter replacement around year 10–12. That's the component that sets your real long-term cost, not the panels.

Full breakdown with the year-by-year numbers:
https://cali-energy.com/blog/solar-panel-degradation-california

Questions about an existing array's output? (323) 844-7777

Will your solar panels still work in 25 years? How much power they lose over time — a first-year drop plus ~0.3–0.5%/yr — why most keep ~85–92% at year 25.

09/08/2026

If you're in the DWP footprint, most of the NEM 3.0 advice online isn't about you.

LADWP is a municipal utility, not regulated by the CPUC — so it isn't on the Net Billing Tariff. It runs its own net metering, and it credits your exports considerably better than the investor-owned utilities do. For comparison: on SCE, midday exports run an illustrative 5–8¢/kWh.

How it works in practice:
• You use your solar on site first — that's always the most valuable kilowatt-hour.
• Surplus earns credits, netted across LADWP's roughly 60-day billing cycle.
• Unused credits roll forward to future bills.

What it doesn't do: credits can't wipe out the minimum charge or the non-energy fees, so expect a small standing bill (on the order of $10/month) even in a strong production period. And surplus doesn't cash out — leftover credits stay with the utility if you close the account.

Why this matters when you're sizing a system: because exports hold closer to retail value here — LA retail runs roughly $0.22–$0.34/kWh depending on tier and season — a solar-only system offsets more of an LADWP bill than the same system would on SCE. On DWP a battery is mainly a backup decision, not a rescue for the economics.

One 2026 caveat: there's no federal credit for owner-bought systems anymore, so run the numbers on current terms.

Full guide to how LADWP credits solar:
https://cali-energy.com/blog/ladwp-net-metering-2026

Want your DWP bill modeled before you size anything? (323) 844-7777

LADWP is municipal — not on NEM 3.0. How it credits solar exports more favorably than the IOU Net Billing Tariff, bi-monthly billing, and how it compares with SCE.

09/04/2026

Hot day, blazing sun, and your solar app shows less output than you expected. Nothing is broken — that's physics.

Panels are rated at 25°C cell temperature. On a Valley roof in August, cells hit 60–70°C. Solar cells are semiconductors: as they heat up, voltage drops and they convert sunlight less efficiently. Output falls roughly 0.29–0.34% for every degree above the rating, which is why peak midday production can run about 10–14% below the sticker number on the hottest afternoons.

How much you lose depends on the cell technology. At a 65°C cell temperature:
• PERC (older) — −0.34 to −0.37%/°C → roughly 13.6–14.8% off
• TOPCon (the 2026 mainstream) — −0.29 to −0.32 → roughly 11.6–12.8% off
• HJT (premium) — −0.24 to −0.27 → roughly 9.6–10.8% off

Two things to keep in perspective. First, over a full year the heat penalty is modest — temperature is one of several losses that together run about 15–25%, and LA's sheer number of sunny days more than covers it. Second, shade, soiling and roof orientation move your annual number more than heat does.

What this means for a proposal: any credible production estimate already folds temperature into an hour-by-hour simulation. Compare quotes on modeled annual kWh, not on panel nameplate wattage — and if two proposals use the same panels but predict very different output, ask why.

Full explainer:
https://cali-energy.com/blog/heat-solar-panel-output-la

Want a temperature-adjusted estimate for your roof? (323) 844-7777

Do solar panels lose power in LA and Valley summer heat? Ratings use a 25°C cell; a hot rooftop can cut midday output ~10% or more. The real math.

09/02/2026

A Level 2 charger in Los Angeles usually runs $1,400–$2,800 all in. The charger is the small part — your panel and the distance to it decide the price.

Where the money goes:
• Hardware — $400–$800 for a 40–48A unit.
• Short run, panel nearby with a free slot — $1,000–$2,000.
• Longer wire and conduit run — $1,500–$3,000.
• New subpanel — add $650–$1,500.
• Main panel upgrade — add $1,500–$4,000+.
• Detached garage plus an upgrade — $3,000–$5,000+.

The code detail behind your wire and breaker: EV charging is a continuous load — full current for 3+ hours — so the circuit is sized at 125% of the charger's draw. In practice: 32A → 40A breaker on #8, 40A → 50A on #8, 48A → 60A on #6.

Hardwired or plug-in? A NEMA 14-50 outlet is flexible but usually needs a pricier GFCI breaker, and 48A units are hardwired anyway. For permanent outdoor installs, hardwiring is often the cleaner call.

Not optional: a new 240V circuit in LA should be permitted, installed by a licensed C-10, and inspected.

Rebates worth checking first (confirm current funding — these change): LADWP offers up to $1,000 toward a Level 2 charger plus $250 for a dedicated EV meter, more for income-eligible households. SCE's Charge Ready Home targets panel upgrades for income-qualified customers. The federal 30C charger credit expired for property placed in service after June 30, 2026.

Full cost guide:
https://cali-energy.com/blog/level-2-ev-charger-cost-los-angeles

Want a real number for your garage? (323) 844-7777

What a Level 2 home EV charger costs to install in Los Angeles in 2026: hardware plus install by scenario, hardwired vs NEMA 14-50, permits, and panel capacity.

08/28/2026

Yes, a home battery can earn money in a virtual power plant. No, that shouldn't be why you buy one.

How it works: during grid stress, a utility, the state, or an aggregator briefly draws on your stored energy and pays for it. Season runs roughly May–October, events usually land in the 4–9 p.m. window, and most programs let you keep a reserve — often ~20% — so you're not left empty.

What's out there in California:
• DSGS — the state's Demand Side Grid Support program, via the Energy Commission.
• ELRP — a CPUC pilot covering SCE, PG&E and SDG&E only. LADWP is municipal and isn't in it.
• SGIP's VPP adder — an upfront rebate bump via qualifying aggregators.
• Manufacturer programs — Tesla, Sunrun CalReady, others.

Payment comes in a few shapes: a flat fee per event, a rate per kWh above your baseline, a seasonal enrollment payment, or that rebate adder.

You'll notice we haven't quoted an annual dollar figure. That's deliberate: terms get revised nearly every program year, enrollment windows open and close, and eligibility depends on your battery brand and wiring. Anyone promising a fixed yearly number is quoting last season.

The real trade-off: every dispatch spends capacity you were holding for backup. Know the reserve setting and opt-out rules before enrolling.

Full guide — the programs, how each pays, and what to check first:
https://cali-energy.com/blog/vpp-california-battery-earnings

Want to know which programs your address and hardware qualify for? (323) 844-7777

Can your home battery earn money in a California VPP in 2026? How DSGS, ELRP, SGIP and Tesla/Sunrun programs pay, the backup trade-off, and terms to confirm.

08/19/2026

Yes, you can put solar on a clay or concrete tile roof. Whether it still keeps water out in year 20 comes down to how it's mounted.

The three legitimate methods:
• Tile hooks — a metal hook lags into the rafter and reaches under the tile, no hole through the tile. The most common approach in SoCal.
• Tile-replacement flashings — a tile comes out, a metal or composite flashing with an integrated post goes in. Excellent seal.
• Comp-out (inset) — tiles under the array are replaced with composition shingle. The most labor, and the right call on brittle tile.

The red flag: lag bolts driven straight through the tile and sealed with caulk. It cracks tile and leaves the roof depending on sealant that dries out and fails.

Expect ~10–20% more labor than composition shingle — tiles get lifted, trimmed and handled carefully, and breakage is part of the job.

The part almost nobody checks: the underlayment. The membrane beneath the tile is the waterproof layer — not the tile. Tile lasts 40–75 years and panels 25–30, but felt underlayment is 20–30 years, synthetic 25–35. If it's near the end, handle it before the array goes on — replacing it later means removing the whole system.

What to demand: a licensed C-39 roofer, the mounting method named in writing, flashing at every pe*******on, and a workmanship warranty covering roof pe*******ons.

Full guide:
https://cali-energy.com/blog/solar-clay-tile-roof

We hold both the solar and C-39 roofing scopes under CSLB #1032379. (323) 844-7777

Solar on a clay or concrete tile roof in Southern California: proper tile-hook mounting and flashing, why the underlayment matters, and the cost premium.

Cali Energy

10/08/2026

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09/28/2026

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