technology
How to Tell an Inverter Failure From an Optimizer Failure in DC
A whole-system production stop can point to inverter or grid conditions, while an isolated panel-level drop may point to module-level equipment or wiring.
Technology
13 articles
technology
Why Your Solar System Isn't Producing: Diagnosis, Prevention, and Your Rights
Solar system underperformance troubleshooting in DC: how to diagnose low output, what installers should have done, and what your contract actually owes you.
technology
Solar Equipment Warranties Explained: What's Actually Covered and What Isn't
Solar inverter warranty coverage has three layers — and most out-of-pocket risk lives in the labor layer manufacturers don't cover. Here's what's actually protected.
technology
Level 2 EV Charger Cost with Solar in DC: What You Actually Pay in 2026
Level 2 EV charger cost in DC runs $1,200–$3,500 installed. Stack three 2026 incentives — including a federal credit expiring June 30 — to cut it near zero.
technology
Solar Monitoring 101: How Real-Time Alerts Protect Your Investment and Catch Problems Early
A solar system that goes dark for two months without triggering a single alert is a documented DC pattern. Here is what professional solar monitoring system performance looks like — and what to ask before you sign.
technology
Backup Power for DC Homes: Generator vs Battery vs Solar+Battery in 2026
Generator, battery, or solar+battery? A DC-specific cost and capability comparison for 2026 — with permit realities, load limits, and SREC math.
technology
EV Charging at Home in DC: Cost, Permits, and What Your Panel Can Handle in 2026
Installing a Level 2 EV charger at home in DC costs $800–$2,500, with DC's DOEE rebate covering 50% of costs. Here's what your panel needs to handle it.
technology
Solar Equipment Reliability: Why Inverter Choice and Warranty Matter for Long-Term Peace of Mind
Solar inverter optimizer failure is more common in years 1–3 than most installers admit. Here's what causes it, what to ask before signing, and how City Renewables handles it.
technology energy savings
Battery Storage Incentives in DC 2026: Every Credit and Rebate
Every DC battery storage incentive for 2026: SAPP rebates, DCSEU programs, SREC optimization, net metering, and property tax exemption. The federal credit is gone — here's what's left.
energy savings technology
Washington Gas vs Heat Pump in DC: Which Saves More?
Heat pumps cut DC heating costs to $600-$1,000/year vs $1,200-$1,800 with Washington Gas — and replace your AC too. See the full cost comparison.
battery storage solar energy technology
Tesla Powerwall vs. Enphase IQ Battery in DC: Which One Is Right for You? (2026)
Tesla Powerwall 3 and Enphase IQ Battery 5P are the two batteries we install most in DC. Here's an honest comparison of specs, cost, and which one fits different home types in 2026.
solar energy energy savings technology
Heat Pumps + Solar in DC: The Complete Guide to Going All-Electric (2026)
Pair solar panels with a heat pump and you can eliminate your gas bill entirely. Here's how the all-electric combo works in DC, what it costs, and how to capture 2026 rebates before they expire.
technology energy savings
Home Battery Backup in DC: Costs, Brands & Is It Worth It?
Home battery backup in DC costs $10,000–$20,000 installed. Compare Tesla, Enphase, and top brands, plus DC incentives and real ROI numbers.