Month-to-date · April 2026
Saved $51,140
vs Duke Energy TOU pricing + demand charges for a site of your size
Trending to $620K/year · FY-1 payback on Month 22 of your 15-yr PPA
4 skids online
0.86 MW now
Peak TOU 4-9pm
Vehicles charging now
52 / 140
18 DCFC · 34 L2 · avg SoC 62%
MTD energy delivered
482 MWh
+14% vs Mar · on-schedule vehicle cycling
Demand charge saved MTD
$18k
Held at 0.4 MW vs 1.1 MW actual peak
Fleet utilization
87%
Charged-and-ready before assigned shift
Charger map — live
24 DCFC top · 48 L2 bottom · ⚡ indicates active charging session
18 DCFC busy
34 L2 busy
DCFC · 150 kW each · 24 stalls
Level 2 · 19.2 kW each · 48 stalls
Idle · available
Charging
Fault · 1 unit
Where the $51K is coming from
April 2026 · month-to-date
Energy arbitrage (vs Duke TOU)
$22,800
Demand charge avoidance
$18,000
Peak window avoidance (4-9pm)
$7,140
LCFS credits (IN state + federal RFS)
$2,200
Uptime · vehicles charged on time
$1,000
Total MTD
$51,140
Load composition — last 24h
DCFC · Level 2 · facility baseline
DCFC (vehicle returns)
Level 2 (overnight)
Facility / office / yard
The honest emissions conversation
MISO grid · what "clean EV charging" actually means
MISO grid averages 450 gCO₂/kWh. But when everyone charges at the same time (4-9pm), the grid cranks up its dirtiest peakers — 550-620g. So the "charging on the grid is clean" story has an asterisk.
Your GX230 on CNG with a 15% RNG blend delivers at 487 g/kWh — a real ~10% win versus MISO average, and 20%+ win versus MISO during charging peak.
The bigger story is the RNG pathway. By 2028 we're at 50% blend → 243 g/kWh. 2030 target 100% RNG → 85 g/kWh, cleaner than any grid in America.
Fleet status — right now
140 vehicles · 4 shifts · 52 currently charging · next deployment 18:00
#MT-041
Ford E-Transit · Van
68%
Charging · 92 kW
#MT-088
Rivian R1T · Fleet
84%
Charging · 118 kW
#MT-102
Tesla Model 3 · Rideshare
92%
Charging · 11 kW
#MT-124
Freightliner eCascadia · Haul
42%
Charging · 148 kW
#MT-133
Ford Mach-E · Rental
24%
Pending · queue 18m
Physical site · equipment
Your depot at a glance.
4 × GX230 skids (800 kW nameplate · 1.2 MW peak) feeding a 24 DCFC + 48 L2 mixed yard. Behind-the-meter with Duke Energy tie at 12.47 kV.
Installed capacity
0.8 MW
4 × GX230 · N+1 config
DCFC ports
24
ABB Terra 184 · 150 kW · CCS1/CHAdeMO
Level 2 ports
48
ChargePoint CT4025 · 19.2 kW J1772
Site footprint
3.2 acres
Depot yard + skid pad + office
GX230 skid status
All 4 online · maintenance due Skid #2 @ 2,140 hrs
82%
Skid 1
164 kW · 1,920 hrs
78%
Skid 2 ⚠
156 kW · 2,140 hrs · due maint
84%
Skid 3
168 kW · 1,680 hrs
80%
Skid 4
160 kW · 1,490 hrs
Fuel
CenterPoint · CNG @ $4.60/MMBtu
RNG blend
15% today · 30% in 2028
Grid tie
Duke · 12.47 kV · 1.1 MW firm
Emergency backup
Any skid islands < 50 ms
Charger health
Uptime · session failures · fault status
| DCFC stalls uptime | 99.6% |
| L2 stalls uptime | 99.2% |
| Session failures MTD | 3 (all user-side handshake) |
| Current fault | DCFC-19 · ground fault · tech dispatched |
| Mean time to repair | 1 hr 24 min · YTD avg |
| Next software update | ChargePoint · scheduled Sun 03:00 |
Site map
Layout · skid pad · DCFC / L2 zones · gas tie-in · grid connection
┌─────────────────────────────────────────────────────────────┐
│ E 30th St (public access) │
└──────────┬──────────────────────────────────────────────────┘
│ gate · ANPR · 24×7 access
┌──────────┴──────────────────────────────────────────────────┐
│ │
│ [Office] DCFC-01─24 (24 × 150 kW · 400V DC) │
│ 420 kW ┌──────────────────────────────────────┐ │
│ │ ▣▣▣▣▣▣▣▣▣▣▣▣▣▣▣▣▣▣▣▣▣▣▣▣ │ │
│ └──────────────────────────────────────┘ │
│ │
│ L2-01─48 (48 × 19.2 kW J1772) │
│ ┌──────────────────────────────────────────┐ │
│ │ ▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫▫ │ │
│ └──────────────────────────────────────────┘ │
│ │
│ ┌──────────────────────┐ │
│ │ GX230 SKID PAD · 4 │ │
│ │ ┌──┐┌──┐┌──┐┌──┐ │ │
│ │ │S1││S2││S3││S4│ │ ← CNG tie-in │
│ │ └──┘└──┘└──┘└──┘ │ (40 psig) │
│ └──────────────────────┘ │
│ │
│ Duke grid tie · 12.47 kV · 1.1 MW firm · N+2 import │
└─────────────────────────────────────────────────────────────┘
Load orchestration
Vehicle returns at 3 PM. Charge through peak. Top off at 3 AM.
Your load curve is shaped by driver schedules. Vans return 14:00-17:00 and need a DCFC top-off. Overnight L2 fills up at the cheap hours. The OS shifts as much of the peak-hour charging onto GX230 as possible.
Site load now
0.86 MW
0.7 MW from GX230 · 0.16 MW Duke
Peak today
1.08 MW
16:42 · fleet return spike
Duke import cap
0.4 MW
Billed peak capped · saves $18k/mo
Vehicles queued
3
Max queue 18 min · target < 25
24-hour load stack · today
DCFC (blue) · L2 (cyan) · facility (gray). Amber band = TOU peak 4-9pm.
DCFC (vehicle returns)
Level 2 (overnight top-up)
Facility / office / yard
Duke TOU peak window
Dispatch logic · today
How the OS picked who charges where, when
00:00 → 06:00Overnight L2 fill
68 vehicles on L2 · $0.053 off-peak Duke · GX230 at idle 20% for spinning reserve.
06:00Morning dispatch · 84 vans roll out
All charging slots freed · site drops to 260 kW (facility + skid idle + 22 stationed EVs).
11:30Mid-shift rental returns
7 rental fleet cars back · DCFC-08 through 14 · average 40 kW · 45 min sessions.
14:00TOU peak begins · GX230 ramps to 80%
Duke import capped at 0.40 MW · GX230 carries 72% of growing load.
16:42Peak cluster — 14 vehicles hit DCFC at once
Early return fleet · site jumped to 1.08 MW · queue 18 min · 3 drivers rerouted to L2 overnight.
18:00Super-peak (18-19) · hold demand
Rate-limit DCFC above cap · L2 hold · GX230 at 94% to avoid any Duke demand breach.
22:00Off-peak restart
Full DCFC release · L2 opens · Duke import ramps to 0.35 MW through overnight.
Duke TOU ladder
Your Duke Energy Indiana rate · Rate IS · Large General Service
Off-peak
22:00-14:00 · weekends
$0.053/kWh
Import 92%
Peak
14:00-18:00 M-F summer
$0.168/kWh
Import 24%
Super-peak
18:00-19:00 M-F summer
$0.214/kWh
Import 8%
Demand charge$36/kW · 15-min peak
Your contracted cap0.4 MW · $14,400/mo
Unmanaged peak would be1.10 MW · $39,600/mo
Demand saved monthly$18,000
$/kWh · all-in · after credits
Better than Duke alone. Not close.
Your break-even on the GX230 install is month 22 of 180. After that, every kWh is pure $0.076/kWh fuel margin below Duke peak. And you get uptime + your own emissions story.
Your blended rate
$0.092/kWh
Fuel + O&M + Duke off-peak · all-in
Duke blended equivalent
$0.148/kWh
TOU weighted + demand amortized
MTD savings
$51k
Energy $33k + demand $18k
FY run-rate
$620k
Payback month 22 · PPA term 180
April 2026 bill · side by side
Counterfactual Duke-only vs what you actually paid
| Energy (482 MWh · Duke TOU weighted) | $56,870 |
| Demand charge (1.10 MW × $36) | $39,600 |
| Transmission / ancillary | $5,140 |
| Capacity (MISO passthrough) | $4,280 |
| Duke-only bill | $105,890 |
| GX230 OPEX (fuel $18.4k + O&M $4.9k) | $23,300 |
| Duke import (110 MWh · off-peak) | $6,800 |
| Demand charge (0.40 MW × $36) | $14,400 |
| Fixed / service charges | $2,450 |
| LCFS + IN CI credits | – $2,200 |
| Your actual | $44,750 |
| Saved vs Duke-only | $61,140 |
| Note: $51k hero number is net of an annual demand reset · this month's bill is closer to $61k |
12-month savings · actuals
Per month · vs Duke-only counterfactual
$38k
$43k
$46k
$48k
$56k
$60k
$63k
$60k
$53k
$46k
$47k
$51k*
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr*
Fall & summer peak highest — TOU rates punish charging more. Winter flattens.
Per-session cost · a comparison for your drivers
What it actually costs to fully charge a typical vehicle at your depot vs a public station
| Vehicle | Battery | Here · DCFC | Public DCFC (avg) | Delta |
|---|---|---|---|---|
| Ford E-Transit van | 68 kWh | $6.26 | $27.20 | −77% |
| Rivian R1T | 135 kWh | $12.42 | $54.00 | −77% |
| Tesla Model 3 LR | 82 kWh | $7.54 | $32.80 | −77% |
| Freightliner eCascadia | 440 kWh | $40.48 | $176.00 | −77% |
| Ford Mach-E | 88 kWh | $8.10 | $35.20 | −77% |
Public DCFC assumed at $0.40/kWh · your rate $0.092/kWh all-in. Matters for rental & rideshare pricing too — your depot is the cheapest fuel in Indy.
gCO₂e/kWh · honest framing
MISO is dirty. Especially at 4 PM. You're beating it today — and dramatically in 5 years.
This is the most honest page in the OS. A lot of "clean EV charging" marketing collapses on contact with the MISO grid's fuel mix. Here's what your vehicles are actually running on.
Emissions · MISO grid vs GX230 vs pathway
Full lifecycle gCO₂e/kWh delivered to the EV
Indiana coal (Rockport · Gibson)
>900 g/kWh · if MISO dispatched coal-only (like 10 PM July 2023)
950 g
MISO at charging peak (4-9pm)
When everyone plugs in · peaker gas + coal ramped
620 g
MISO annual average
All hours weighted · 45% coal · 30% gas · wind/nuclear rest
450 g
Your GX230 · 15% RNG blend · today
Your actual Q1 stack emissions + lifecycle
487 g
Your GX230 · 30% RNG (2028 pathway)
CenterPoint BioMethane contract step-up
340 g
Your GX230 · 50% RNG (2028 H2 pathway)
Regional dairy digester cluster offtake · Central IN
243 g
Your GX230 · 100% RNG (2030 target)
Full RNG supply · cleaner than CAISO
85 g
Your GX230 · 20% H₂ blend (2032+)
Multi-fuel GX230 roadmap · green-H₂ pilot
58 g
"Where did my electrons come from?"
Real-time hourly fuel mix · sourced from MISO dispatch API
| Right now · 14:32 EST | |
| ↳ Your GX230 | 76% · 487 g |
| ↳ Duke grid import | 24% · 510 g (coal-heavy) |
| ↳ Blended site emission | 492 g/kWh |
| Overnight (22:00-06:00) comparison | |
| ↳ Your GX230 | 22% · 487 g |
| ↳ Duke grid import | 78% · 390 g (wind-heavy) |
| ↳ Blended site emission | 411 g/kWh |
| Off-peak, grid beats GX230 on pure gCO₂ (more wind). On peak, you beat it by ~25%. | |
CO₂ displaced · FY 2025 + YTD
vs baseline: same fleet on diesel vans + MISO charging
| Baseline (2023 · pre-EV + pre-GX230) | 5,840 tCO₂e |
| FY 2025 actual | 2,140 tCO₂e |
| Δ | −63.4% |
| YTD 2026 | 642 tCO₂e · on track for 1,920 |
| LCFS pathway CI | 58.4 gCO₂e/MJ |
| LCFS credits YTD | $2,200 (IN) · $5,800 (fed RFS) |
| 2030 target · 100% RNG | −93% vs baseline |
Uptime · outages avoided
Zero vehicles stuck on a dead charger · YTD.
A fleet depot needs its plugs up. When Duke has a grid event, your vehicles keep charging. That's worth more than the dollar savings in peak months.
Grid events absorbed YTD
5
Duke + MISO · all rode through
Fastest transfer
38ms
Apr 12 · sub-cycle island
Vehicles mid-session affected
0
vs estimated 22 if grid-only
Revenue protected YTD
$68k
Rental + missed route estimates
Apr 12 · 17:15 event · a closer look
Duke substation fault cascaded to our feeder during peak TOU window
At 17:15:42, a tree-on-line fault tripped the 138 kV upstream of our 12 kV tap. Duke lost ~340 customers including 3 commercial sites in our immediate area.
For us: GX230 grid-forming inverter picked up the frequency reference at t+38 ms. Site main breaker opened. We went islanded on the spot.
For the vehicles: 14 mid-session DCFC and 22 L2 sessions continued without pause. Drivers didn't notice.
For the business: If we'd been on Duke-only, the 47-minute outage would have meant an estimated $4,200 in lost rental revenue, frustrated fleet drivers, and probably a PR post from the rideshare partner. None of that happened.
Duke restored at 18:02. We closed back in at 18:02:14 with a phase-matched soft re-sync · no customer-visible transient.
Grid events log — YTD 2026
| Date | Event | Duration | Transfer | Sessions active | Impact |
|---|---|---|---|---|---|
| Apr 12 · 17:15 | Duke 138 kV fault · tree on line | 47 min | 38 ms | 36 | 0 interrupted · $4,200 saved |
| Mar 21 · 02:44 | MISO frequency excursion 59.84 Hz | 2.1 s | 46 ms | 28 L2 | Ride-through |
| Feb 08 · 08:12 | Duke feeder recloser trip | 14 min | 42 ms | 18 | Full island |
| Jan 27 · 19:32 | Winter load emergency · MISO | 28 min | Voluntary | 31 | DR contribution |
| Jan 09 · 13:50 | Duke voltage sag · substation | 3.4 s | 51 ms | 12 | Cleared |
Records & exports
Reports
Per-session billing · LCFS · monthly summary · event logs — all signed, timestamped, exportable.
Monthly bill reconciliation
Duke invoice match · CFO-ready
Period: April 2026
Energy delivered: 482 MWh
Duke billed: $21,650
GX230 OPEX: $23,300
Saved vs counterfactual: $61,140
Download PDF Download XLSX
Per-session energy log
Every plug-in · driver · vehicle · kWh · charge
Period: April 2026 MTD
Sessions: 4,260
MWh: 482
Avg session: 113 kWh
Download CSV Post to fleet system →
LCFS + Indiana CI credits
For quarterly CARB + IN RFS self-report
Pathway CI: 58.4 gCO₂e/MJ
Credits generated YTD: 268 MT
Revenue YTD: $8,000
Verifier: SCS Global · cert on file
Download PDF
Emissions & air permit
IDEM permit PG-202401-04 · minor source
NOx YTD: 0.8 tpy (limit 8.0)
CO YTD: 1.2 tpy (limit 10.0)
Stack test: Jan 22, 2026 · PASS
Download PDF
Reliability & event log
Grid disturbances · islanding events · MTTR
Window: YTD 2026
Events: 5 · Plug-outs: 0
Revenue protected: $68,400
Download PDF Download CSV
Custom export
Session data · load curve · fuel burn
▸ Driver-level kWh
▸ Stall utilization
▸ Queue times
▸ Partner fleet billing
Open builder →
Contract · utility · contacts
Account
Depot
Operator
Midwest Transit Holdings, LLC
Facility
Indy East Depot
Address
6400 E 30th St, Indianapolis IN 46219
Use case
Fleet delivery · rental · rideshare pass-through
Daily vehicle cycles
140 · mixed last-mile + rental
Installed
4 × GX230 · 0.8 MW · N+1
Commissioned
Sep 4, 2024
Power agreements
GX230 PPA
15 yr · through Sep 2039
PPA rate
$0.092/kWh · 2.0% esc
Utility
Duke Energy IN · Rate IS
Peak rate
$0.168/kWh · 14-18 M-F
Super-peak
$0.214/kWh · 18-19
Demand charge
$36/kW monthly peak
CNG contract
CenterPoint · $4.60/MMBtu
RNG step-up
15% → 30% (2028) → 100% (2030)
EV charging provider integrations
DCFC hardware
ABB Terra 184 × 24
L2 hardware
ChargePoint CT4025 × 48
Payment / network
Driivz CSMS + Stripe passthrough
Fleet integration
Samsara · live API
Rideshare partners
Uber · Lyft · Turo fleet (corporate)
Your team
JC
Jordan Cole
Immedia Power · Account Director · Midwest
MA
Mira Abernathy
24/7 ops center · +1 (317) 555-0144
ER
Elena Ramirez
Field service · Indianapolis · on-site < 90 min
TP
Tariq Patel
Emissions & LCFS reporting specialist