EcoFlow PowerStream / STREAM 800W Balcony Solar + 2kWh LFP Kit — Texas ROI & Legal Compliance Calculator

In Texas (ERCOT), pairing plug-in solar + home batteries with Free Nights electricity plans or zero-export smart meters yields massive summer AC savings.

Interactive 2026 Engineering Tool

Plug-in / Balcony Solar ROI & Self-Consumption Calculator

ERCOT Zero-Export Mode + Retail Free-Nights Battery Arbitrage

Solar Array Wattage (W) — Legal Limit: 1200W

400W800 W1,600W

Electricity Rate ($/kWh Peak/Daytime)

Daily Peak Sun Hours (Texas Avg: 5.4 hrs)

Direct Self-Consumption % (With LFP Battery = 92%, Without Battery = 55%)

35% (No Battery)92%98% (With Smart Battery)

Complete Kit Cost ($)

Apply 30% Federal Clean Energy Tax Credit (IRC §25D — expires Dec 2032)

💰 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

Texas Legal Verdict: Zero-Export / Free-Nights TOU Arbitrage Ready. In Texas (ERCOT), pairing plug-in solar + home batteries with Free Nights electricity plans or zero-export smart meters yields massive summer AC savings.

EcoFlow $1199

EcoFlow PowerStream / STREAM 800W Balcony Solar + 2kWh LFP Kit

✓Smart plug dynamic load allocation
✓Plug-and-play flat MC4 window cable
✓App-controlled TOU discharge schedule

Check Price & Specs at EcoFlow →

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

Check Price & Specs at Anker SOLIX →