Interactive · Public data · Six layers

What's your flexibility stack worth?

Pick an ISO/RTO. Set your asset mix and program tier. See annual avoided system costs across the six layers of ev.energy's Cost-Avoidance Stack — calibrated to your scenario, on public data, with research from The Brattle Group.

Scenario

ISO / RTOProgram tier

EVs (vehicles)1,200Batteries (kWh)400AC thermostats (units)2,000HP thermostats (units)600Solar PV (kW capacity)5,000

Total annual avoided cost$850.0Kper year

Peak reduction3.6 MWPJM · Active managed

Cost-Avoidance StackTotal reflects 25% co-optimisation discount (Brattle)

Generation

$198.5K18%

ISO capacity markets · NREL EVI-Pro

Capacity value of avoided thermal generation, indexed to ISO/RTO capacity prices. PJM BRA clearing prices, CAISO RA pricing, NYISO ICAP. EV and battery contribution scaled by NREL EVI-Pro residential load profiles.

Transmission

$126.3K11%

ConEd 2025 MCOS · regional T-CAP

Avoided transmission capacity investment driven by peak coincidence. ConEd 2025 MCOS forecast, regional T-CAP from ISO/RTO long-range transmission plans, locational marginal capacity where available.

Distribution

$347.2K31%

SEPA · ANL · CA 2024 ACC

Avoided distribution feeder upgrades and substation deferrals. SEPA Distribution System Avoided Cost (2023), ANL EV Modeling, CA 2024 ACC distribution component. DG offset values from SEPA's distribution-level avoided cost work.

Energy

$376.3K33%

ISO LMPs · CA ACC energy

Wholesale energy arbitrage from time-shifted load. ISO day-ahead LMP forecasts, CA 2024 ACC energy component. EV managed charging shifts to off-peak; batteries arbitrage real-time vs day-ahead spreads.

Ancillary

$1.3K0%

PJM RegA · CAISO FRP

Frequency regulation, spinning reserves, ramping — primarily battery contribution. PJM RegA/RegD clearing prices, CAISO Flexible Ramping Product (FRP) prices.

Customer Ops

$83.7K7%

SEPA admin avoided cost

Avoided customer service costs from enrollment platform, billing automation, outage notification. SEPA Customer Program Admin Avoided Cost, utility regulatory filings on program O&M.

Per EV$193/ yr

Per kWh batt$39/ yr

Per AC stat$114/ yr

Per HP stat$58/ yr

Per kW PV$68/ yr

Public data calibrated to your scenario. The same methodology runs inside Eve Insight on your utility's data.Modeled in Eve Insight →

Want it modelled against your specific territory?

The calculator is the public version. Eve Insight is the one your team uses.

Same Cost-Avoidance Stack methodology. Your utility's data inputs. Sharper scenarios, tighter confidence intervals, filing-ready output. Talk to us and we'll spin up Eve Insight against your service territory.

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