Blog archive
Browse older SurgePV articles. Each archive page is intentionally limited to keep transfer size, parsing cost, and crawl depth predictable.
solar sales
Master solar proposal presentation tips to close deals in one sitting. 80% of sales need 5+ follow-ups.
Nimesh Katariya14 min readsolar sales
A complete solar referral program template with rep scripts, customer message templates, tiered reward tables, tracking spreadsheets.
Nimesh Katariya18 min readsolar sales
The 12 solar sales KPIs every manager needs in their weekly scorecard, with exact formulas, benchmarks from SEIA and HubSpot, and a 15-minute review framework.
Nimesh Katariya12 min readsolar sales
A structured solar sales training curriculum cuts time-to-first-close by 40%. This 90-day plan covers product knowledge, objections, and proposal speed.
Nimesh Katariya15 min readsolar sales
Solar leads decay fast. MIT data shows 100x lower contact odds after 30 minutes. Learn the 5-minute rule and the field-tested playbook that cuts CAC.
Nimesh Katariya12 min readsolar sales
Learn the virtual solar sales process step by step. Cut acquisition costs and close more deals over Zoom with this data-driven blueprint for solar reps and.
Nimesh Katariya12 min readsolar electrical design
Review inverter AC current, switch ratings, protection, enclosure and utility requirements before selecting a solar disconnect. Includes bounded current examples.
Rainer Neumann8 min readsolar storage
Compare storage efficiency on equal boundaries, calculate annual throughput correctly and test clipping recovery without inventing topology-wide savings.
Rainer Neumann14 min readsolar electrical design
Understand solar PV AFCI protection, UL 1699B, model-specific restart behavior and the evidence needed to review inverter arc-fault alarms.
Rainer Neumann7 min readsolar storage
Size solar battery backup using clear energy and power boundaries, a checked load worksheet, one-way discharge losses and equipment-specific outage requirements.
Rainer Neumann13 min readsolar storage
Model calendar and cycling aging with consistent capacity boundaries, documented operating histories and uncertainty. Separate battery forecasts from warranty terms.
Rainer Neumann10 min readsolar storage
Calculate current-based battery C-rate, distinguish nominal and usable energy, and check continuous power, peak duration, charging and inverter compatibility.
Rainer Neumann10 min readsolar electrical design
Step-by-step NEC Chapter 9 conduit fill calculation for solar PV — fill tables, wire areas, worked examples, and common AHJ inspection failures.
Rainer Neumann14 min readsolar storage
Depth of discharge optimization for solar batteries: find the ideal DoD setting per chemistry to minimize LCOS and maximize lifetime throughput.
Rainer Neumann12 min readsolar storage
Island mode and grid-forming inverter guide 2026: off-grid operation, microgrids, and backup power. Technical guide for energy independence.
Rainer Neumann13 min readsolar storage
LFP vs NMC battery for solar 2026: cycle life, thermal stability, and cost per kWh. Which chemistry wins for residential and commercial storage.
Keyur Rakholiya12 min readsolar storage
Microgrid design with solar and storage 2026: control systems, battery sizing, and grid isolation. Technical guide for resilient energy systems.
Rainer Neumann14 min readsolar electrical design
DC optimizers or microinverters? Compare MLPE architectures by NEC compliance, shade performance, cost, and design rules for residential and C&I solar.
Keyur Rakholiya12 min readsolar electrical design
NEC 2026 reorganizes Section 690.12 but keeps the same voltage limits. Here's what changed for installers — and what stayed the same.
Rainer Neumann12 min readsolar storage
Residential battery sizing kWh 2026: calculate optimal capacity for backup power and self-consumption. Sizing guide for homeowners.
Rainer Neumann12 min readsolar storage
Residential battery sizing 2026: backup power vs self-consumption optimization. Calculate kWh capacity for your specific goals.
Rainer Neumann14 min readsolar storage
Add battery storage to an existing solar system using AC coupling or DC coupling.
Rainer Neumann11 min readsolar storage
Round-trip efficiency explains why a 10 kWh battery delivers 8.5 kWh. Learn AC vs DC RTE, chemistry comparison, and how to calculate losses.
Rainer Neumann15 min readsolar electrical design
40% of solar permits fail due to incomplete SLDs. Learn every element AHJ plan checkers require, the NEC 690 code behind each one.
Rainer Neumann12 min read