Practical guides for solar projects, from site survey and design to proposals and installation.
What a solar single-line diagram, earthing plan and general layout show, and why generating them from the design as PDF and DXF saves time.
Read the articleWhat a containerised battery energy storage system (BESS) contains, MW vs MWh, how to size capacity, site layout considerations and what to state in the proposal.
Read the articleWhy solar CRM differs from a generic CRM: what a solar customer record should hold, sales stages, follow-up rhythm, metrics to watch and common mistakes.
Read the articleWhat hourly netting means for unlicensed solar in Türkiye, how it differs from monthly netting, who it applies to and how it changes feasibility and proposals.
Read the articleHow solar companies collect more qualified website leads: calculator tools, which form fields to ask, fast response, data protection and measurement.
Read the articleThe hidden costs of building solar proposals in Excel, a 7-step migration to proposal software, what data to move and which metrics to track afterwards.
Read the articleWhat to collect about the well and pump on a solar irrigation site visit, how to compare costs, what the proposal should state and common mistakes.
Read the articleHow grid-tied, off-grid and hybrid solar systems work: behaviour during outages, batteries, cost drivers and which system suits which customer.
Read the articleTwelve questions to ask before buying solar design and proposal software: yield data, shading, stringing, proposals, CRM, field work and security.
Read the articleTrack a rooftop solar project from first meeting to handover in 13 stages: owners, dates and documents per stage, common bottlenecks and stage-based payments.
Read the articleHow a shaded cell affects a whole string, bypass diodes, near, far, seasonal and inter-row shading, and a step-by-step guide to proper shade analysis.
Read the articleSolar irrigation pump sizing: pump power, total head, flow, the pump drive, module count and series/parallel checks, plus cable and fuse points in an example.
Read the articleOff-grid solar sizing step by step: daily load, a worked battery example with autonomy and DoD, inverter surge, worst-month array sizing and MPPT checks.
Read the articleSelf-consumption ratio, self-sufficiency and net metering explained with example tables: monthly surplus and deficit, hourly vs monthly netting and storage.
Read the articleHow to calculate solar payback: inputs, self-consumed vs exported energy, a year-by-year example with escalation and degradation, loans and common mistakes.
Read the articleThe 10 sections a solar proposal needs, production and savings assumptions, cost and margin, currency, validity, revisions, follow-up and approval.
Read the articleWhat PVGIS is and which data it uses: peak power, losses, tilt and azimuth inputs, what E_m and H(i)_m mean, the tool's limits and pairing it with load data.
Read the articleSeries and parallel wiring, Voc and Vmp, cold-weather Voc checks, MPPT voltage window and input current, and string layout for orientation and shade.
Read the articleHow to use 3D roof design in solar sales: meeting steps, what to show, sun and shade simulation, sharing a 3D link, objections and common mistakes.
Read the articleA rooftop solar site survey checklist: roof type, orientation, tilt, usable area, main panel, meter, cable distances, consumption, photos and safety notes.
Read the articleWarehouse control for solar installers: item categories, project-linked issues, a weighted average cost example, site returns and low-stock thresholds.
Read the articleGround-mount solar row spacing: winter solstice sun angle, the azimuth-corrected formula, ground coverage ratio, north and south slopes and a worked example.
Read the articleWind, snow, dead and seismic loads on solar mounting: what increases them, the Eurocode 1 family, rooftop vs ground-mount differences and a checklist.
Read the articleManage your projects faster, more accurately, and more professionally with PVAGE.
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