New Hampshire Plug-in Solar Act (UL 3700) · EcoFlow
EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) — New Hampshire ROI & Legal Compliance Calculator
New Hampshire allows up to 1,200W of plug-in solar generation without utility interconnection fees.
Interactive 2026 Engineering Tool
New Hampshire Plug-in Solar Act (UL 3700)
Plug-in / Balcony Solar ROI & Self-Consumption Calculator
400W7200 W1,600W
35% (No Battery)92%98% (With Smart Battery)
💰 Your 30% ITC Savings: $0 back on your federal taxes. Effective cost after credit: $0. Adjusted payback: 0 yrs.
Verified Yield & Payback Output
Annual Solar Output
1,380 kWh
Annual Bill Savings
$510/yr
Simple Payback Period
2.5 Years
10-Year Net Profit
$3,800
New Hampshire Legal Verdict: Legalized in Law (2026 Plug-in Solar Act — Up to 1,200W). New Hampshire allows up to 1,200W of plug-in solar generation without utility interconnection fees.
FAQ
Frequently Asked Questions · EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) in New Hampshire
Is the EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) compliant with New Hampshire regulations? ▼
Yes. In New Hampshire, plug-in solar systems are governed by New Hampshire Plug-in Solar Act (UL 3700). The EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) features UL 3700 / G98 anti-islanding certification, ensuring the inverter disconnects in milliseconds if mains power is interrupted.
How long does the EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) take to pay for itself in New Hampshire? ▼
With New Hampshire's average solar insolation of 4.3 peak sun hours per day and retail electric rates of $0.25/kWh, the EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System) achieves a simple payback of approximately 3.2 to 4.8 years, accelerated further when shifting solar generation into $0.33/kWh evening peak rates.
Can I expand the battery capacity of the EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System)? ▼
Yes. Modular LFP storage can be expanded from a baseline capacity of 6.1 kWh up to multiple expansion battery units, allowing you to achieve over 90% solar self-consumption even during overcast periods.
EcoFlow
$4999
EcoFlow DELTA Pro Ultra (6.1kWh / 7200W Whole-Home TOU Arbitrage System)
- ✓7.2kW continuous 240V output
- ✓Automated NEM 3.0 & PG&E TOU optimization
- ✓0ms UPS switchover
Anker SOLIX
$1299
Anker SOLIX Solarbank 2 E1600 Pro (800W/1200W Plug-in + 1.6kWh LFP)
- ✓Built-in 800W microinverter (expandable)
- ✓1.6kWh LiFePO4 battery (up to 9.6kWh)
- ✓Zero-export smart meter included