EV_TRACKER
// enter PIN to access
EV Charging Cost
$0.00
Total kWh
0
— until next tier
Sessions
0
0 manual / 0 imported
Active Tier Rate
$0.30
Tier 1
kWh Usage This Period 0 kWh
0T2 at 1,000T3 at 2,0003,000 kWh
T1: $0.30 · 0 kWh T2: $0.30 · 0 kWh T3: $0.30 · 0 kWh
📋 Sessions This Period
No sessions for this period
📊 All Billing Periods — Cost & Tier Breakdown
Period Date Range Sessions Total kWh Tier Breakdown Total Cost Avg ¢/kWh
🔌 Add Manual Session — 2021 VW ID4 Pro RWD (82 kWh)
Enter battery start % to calculate
📋 Manual Sessions
No manual sessions yet
🔑 Step 1 — Connect & Fetch
tessie.com → Settings → API
📋 Imported Tessie Sessions
No Tessie sessions yet
ℹ️ Tiers reset each billing period (~2 months). Costs are auto-calculated as sessions accumulate within a period. Default is $0.30/kWh for all tiers — update to match your LADWP bill.
⚡ Tier Thresholds & Rates (per Billing Period)
🟢 Tier 1 — Cheapest
Up to (kWh per period)
Rate ($/kWh)
🟡 Tier 2 — Mid
Up to (kWh per period)
Rate ($/kWh)
🔴 Tier 3 — Peak
Up to (kWh per period)
Rate ($/kWh)

Usage above Tier 3 cap is billed at the Tier 3 rate.

Saving recalculates all session costs.
📖 Rate Example
📅 LADWP bills residentially every ~2 months — 6 periods per year. Exact meter read dates vary by address. Check "Meter Read Date" on your paper bill and update these once per year.
📅 LADWP Billing Periods — 2026
#Period NameStart DateEnd DateDays

💡 Default start months are approximate (Jan, Mar, May, Jul, Sep, Nov). Tune to your actual bill dates.

Auto-saves to Cloudflare KV — changes sync within seconds
☁️ Cloud Sync

Data is stored in Cloudflare KV. Any change either of you makes is saved automatically. Pull to refresh in Safari to load the other person's changes.

💡 Pull to Refresh in Safari to get the latest data from the other device.
📥 Export
⚠️ Danger Zone