ENERGY ECONOMICS & ROI

Battery-as-a-Service

Cost analysis, peak demand shaving, TOU arbitrage, and ROI tracking -- TEPCO (Tokyo Electric) (Japan)

Annual Net Savings

$2,636,779

18.2% vs forecast

Energy Cost Saved

$2,682,379

12-month total

Peak Demand Cut

40%

avg monthly

Daily Savings

$9030

today's est.

ROI

5782%

12-month

BaaS Monthly Fee

$3,800

covered

24-HOUR LOAD PROFILE -- Tokyo Data Center

Facility load, solar, battery dispatch, and resulting grid draw

Cost Comparison (Today)

Without Battery$68264.36

With Battery$59234.31

Daily Savings$9030.05

TOU Rate Schedule

On-Peak

JPY 40.7/kWh

Mid-Peak

JPY 26.5/kWh

Off-Peak

JPY 17.8/kWh

Demand ChargeJPY 1850/kW

Peak Reduction Today

Before

114 kW

After

114 kW

-0% peak reduction