Learn
Pillar guides on how Texas electricity actually works — plan structures, ERCOT context, the regulatory playing field, and what to read before you sign.
Guides
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Cluster 1 · Plan structure
Fixed vs variable electricity in Texas
What HB 16 actually banned, why "fixed vs variable" is the wrong frame in 2026, and how to pick a fixed term that survives ERCOT summer.
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Cluster 4 · Battery technology
How a home battery actually works
Cells, BMS, inverter, transfer panel — the four boxes that decide whether your battery rides out a 12-hour outage with the A/C on or just keeps the fridge alive.
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Cluster 4 · Battery technology
LFP vs NMC battery chemistry
Lithium iron phosphate is now the residential default. What the chemistry switch from NMC means for cycle life, thermal stability, and a 130°F Texas garage.
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Cluster 4 · Battery technology
How to size a home battery in Texas
Battery sizing is a four-month problem. Three real Texas household profiles — Round Rock townhouse, Plano single-family, Sugar Land with pool — and the kW-vs-kWh trap most buyers miss.
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Cluster 4 · Battery technology
How a virtual power plant works
Several thousand home batteries, dispatched as one resource into ERCOT ancillary markets. Sub-second response, real revenue, and the math that compresses battery payback from 11 years to 3–4.
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Cluster 4 · Battery technology
Outage vs ERCOT price spike: what your battery does
Three operationally distinct event types — Uri 2021 (combined), the May 2024 Houston derecho (outage-only), and 2024 EEA Watch alerts (price-only). What the battery does in each.