Peak Window: 12:00 PM – 8:00 PM · Peak: $0.39/kWh

Eversource (Connecticut & New England) — Residential Rate 1 / TOU — Home Battery TOU Arbitrage Calculator (2026)

Combining Connecticut's 2026 1,200W Plug-in Solar law with Eversource's high retail tariff delivers sub-3-year payback.

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Home battery Time-of-Use arbitrage diagram for Eversource (Connecticut & New England) — Residential Rate 1 / TOU peak hours 12:00 PM – 8:00 PM — Eversource (CT) Peak Shaving & TOU Rate Arbitrage

2026 NEM 3.0 & Peak-Shaving Calculator

Home Battery Time-of-Use (TOU) Arbitrage Calculator — Eversource (Connecticut & New England) — Residential Rate 1 / TOU

Peak Window: 12:00 PM – 8:00 PM

Usable Battery Capacity (kWh)

1.6 kWh3.84 kWh18.0 kWh

Peak Rate ($/kWh)

Charge Cost (Export/Off-Peak $/kWh)

Battery System Cost ($)

Apply 30% Federal Clean Energy Tax Credit (IRC §25D — battery ≥3kWh qualifies)

💰 Your 30% ITC Savings: $0 back. Effective battery cost: $0. Payback: 0 yrs.

TOU Arbitrage Savings Output

Rate Spread Captured

$0.48/kWh

Annual Peak Shaving

$610/yr

Simple Payback

5.2 Years

10-Year Net Profit

$3,900

Combining Connecticut's 2026 1,200W Plug-in Solar law with Eversource's high retail tariff delivers sub-3-year payback.

Check Anker SOLIX F3800 (3.84kWh / 6000W Split-Phase 120V/240V TOU Battery) Pricing & Specs →

FAQ

Frequently Asked Questions · Eversource (Connecticut & New England) — Residential Rate 1 / TOU Battery Arbitrage

What are the peak hours and rate spread for Eversource (Connecticut & New England) — Residential Rate 1 / TOU? ▼

Under Eversource (Connecticut & New England) — Residential Rate 1 / TOU's Time-of-Use schedule (undefined), peak hours are 12:00 PM – 8:00 PM with electricity priced at $0.39/kWh. Off-peak electricity costs $0.21/kWh, yielding an arbitrage rate spread of $0.18/kWh.

How does home battery storage generate savings under Eversource (Connecticut & New England) — Residential Rate 1 / TOU? ▼

A residential LiFePO4 battery charges during overnight off-peak hours or from daytime solar generation ($0.1/kWh export credit) and automatically discharges to cover household power consumption during 12:00 PM – 8:00 PM, avoiding expensive peak utility grid draws.

Do I need permission to install a plug-in or AC-coupled battery on Eversource (Connecticut & New England) — Residential Rate 1 / TOU? ▼

Under modern utility standards and UL 9540 / UL 3700 certifications, non-exporting or zero-export AC storage systems operating behind the meter typically qualify for streamlined interconnection or standard appliance exemptions.