From cferates
Look up CFE (Mexico) electricity rates. Use when the user asks about electricity rates, tariffs, energy costs, or CFE pricing.
How this skill is triggered — by the user, by Claude, or both
Slash command
/cferates:cfe-ratesThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
You have access to the `cferates` CLI tool to query electricity rates from Mexico's CFE (Comisión Federal de Electricidad).
You have access to the cferates CLI tool to query electricity rates from Mexico's CFE (Comisión Federal de Electricidad).
First, check if the local marketplace checkout exists at ~/.claude/plugins/marketplaces/cferates/. If it does, use it as the source. If not, fall back to the remote repository.
if [ -d ~/.claude/plugins/marketplaces/cferates ]; then
CFERATES_SRC=~/.claude/plugins/marketplaces/cferates
else
CFERATES_SRC=git+https://github.com/cyraxjoe/cferates.git
fi
Then run with uvx:
uvx --from "$CFERATES_SRC" cferates RATE [OPTIONS]
| Rate | Description | Requirements |
|---|---|---|
1 | Basic domestic | None |
DAC | High-consumption domestic (no subsidy) | None |
1A–1F | Regional domestic with summer variation | --summer-month required |
| Rate | Description | Requirements |
|---|---|---|
GDMTO | Gran Demanda Media Tensión Ordinaria | --state, --municipality, --division |
GDMTH | Gran Demanda Media Tensión Horaria | --state, --municipality, --division |
DIST | Demanda Industrial Subtransmisión | --state, --municipality, --division |
DIT | Demanda Industrial Transmisión | --state, --municipality, --division |
APMT | Alumbrado Público Media Tensión | --state, --municipality, --division |
RAMT | Riego Agrícola Media Tensión | --state, --municipality, --division |
-y, --year YEAR — Year to query (default: current year, min: 2018)-m, --month MONTH — Month to query (default: current month, 1–12)-s, --summer-month MONTH — Month summer starts (2–5). Required for rates 1A–1F--state ID — State ID (1–32). Required for industrial rates--municipality ID — Municipality ID. Required for industrial rates--division ID — Division ID. Required for industrial rates--no-cache — Disable cachingUse this to infer the rate type when the user mentions a city:
| City/Region | Typical Rate | Summer Month |
|---|---|---|
| Mexico City / Central Highlands | 1 | N/A |
| Monterrey / Nuevo León | 1C | 4 |
| Guadalajara / Jalisco | 1 | N/A |
| Hermosillo / Sonora | 1F | 3 |
| Mexicali / Baja California | 1F | 3 |
| Mérida / Yucatán | 1D | 4 |
| Culiacán / Sinaloa | 1E | 3 |
| Tampico / Tamaulipas | 1D | 4 |
| Ciudad Juárez / Chihuahua | 1C | 4 |
| Cancún / Quintana Roo | 1C | 4 |
The CLI returns JSON. Domestic rates include keys like Basico, Intermedio, Excedente (values in MXN/kWh). Industrial rates include keys like fijo, variable, distribucion, capacidad.
When discussing DAC (Doméstica de Alto Consumo) classification, do NOT assume a single universal threshold. Each domestic tariff has its own DAC limit:
| Tarifa | DAC Threshold |
|---|---|
| 1 | 250 kWh/mes |
| 1A | 300 kWh/mes |
| 1B | 400 kWh/mes |
| 1C | 850 kWh/mes |
| 1D | 1,000 kWh/mes |
| 1E | 2,000 kWh/mes |
| 1F | 2,500 kWh/mes |
Source: https://app.cfe.mx/Aplicaciones/CCFE/Tarifas/TarifasCRECasa/Tarifas/TarifaDAC.aspx
The threshold varies significantly by region/climate — hotter regions (1E, 1F) allow much higher consumption before DAC kicks in because air conditioning is expected. A user in Monterrey (1C) can consume up to 850 kWh/month before being reclassified, while a user in Mexico City (tarifa 1) hits DAC at just 250 kWh/month.
DAC is triggered when the user's 12-month rolling average exceeds their tariff's threshold — not a single month's spike.
When warning users about DAC risk:
npx claudepluginhub cyraxjoe/cferates --plugin cferatesProvides expertise for electricity and gas procurement, tariff optimization, demand charge management, renewable PPA evaluation, and multi-facility energy cost management.
Codifies expertise for electricity/gas procurement, tariff optimization, demand charge management, renewable PPA evaluation, and multi-facility energy cost strategies. Use for RFPs, tariff analysis, budgeting, hedging, or sustainability reporting.
Codifies energy procurement expertise for tariff optimization, demand charge management, PPA evaluation, and multi-facility cost management. Use when running RFPs, analyzing rate structures, or developing hedging strategies.