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 — ID4 Pro RWD · 82 kWh
Enter battery start % to calculate
Manual Sessions
No manual sessions yet
Step 01 — Connect & Fetch
tessie.com → Settings → API
Imported Sessions
No Tessie sessions yet
// Tiers reset each billing period (~2 months). Costs are auto-calculated as sessions accumulate within a period. Default is $0.30/kWh for all tiers — update to match your LADWP bill.
Tier Thresholds & Rates (per Billing Period)
T-01 · Cheapest
Up to (kWh per period)
Rate ($/kWh) · pre-tax
T-02 · Mid
Up to (kWh per period)
Rate ($/kWh) · pre-tax
T-03 · Peak
Up to (kWh per period)
Rate ($/kWh) · pre-tax

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

Saving recalculates all session costs.
Rate Example
Historical Rate Overrides

Set different rates for a past billing period — LADWP raises rates every cycle. Overrides only affect that period's cost calculation.

T-01
Up to (kWh)
Rate ($/kWh) · pre-tax
T-02
Up to (kWh)
Rate ($/kWh) · pre-tax
T-03
Up to (kWh)
Rate ($/kWh) · pre-tax
↻ Force Recalculate

Re-applies every stored rate (global + overrides) to every session and refreshes the dashboard. Use this if you've edited overrides and the dashboard isn't reflecting them.

// 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.
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