Category
Renewable Energy calculators
Solar, battery, inverter, UPS, EV charging, and wind screening calculators for U.S. distributed-energy and backup-power planning.
- Calculators in category
- 10
- Related categories
- 6
Solar Calculator
Calculate solar panel energy production, cost savings, and payback period for residential solar installations
Solar ROI Calculator
Calculate solar payback, export-credit value, user-entered incentives, degradation, and cash-flow assumptions
Solar System Design Calculator
Calculate PV array size, panel count, first-year production, degradation, and roof-area fit from monthly electricity use
Solar Row Spacing Calculator
Screen PV row pitch, inter-row shadow length, and ground coverage ratio from latitude, solar altitude, tilt, and module geometry.
Solar Combiner Sizing Calculator
Screen PV source-circuit current, string OCPD review points, combiner output current, and inverter input-current warnings from module Isc and parallel strings.
Wind Power Calculator
Preliminary wind turbine screen for operating-point output, annual energy, and resource class assumptions.
Inverter Sizing Calculator
Screen solar PV inverter AC size, DC/AC ratio range, and cold-weather string counts from module data.
Battery Capacity Calculator
Screen nominal battery-bank kWh and amp-hours from daily energy, runtime, or a peak-shaving discharge window.
EV Charging Power Calculator
Calculate electric vehicle charging time, cost, and power requirements
UPS Backup Time Calculator
Estimate UPS runtime from load watts, battery-string data, planning factors, and optional target runtime.
Renewable Energy Overview
The renewable energy category covers preliminary planning for solar generation, energy storage, inverter sizing, EV charging, UPS runtime, and related distributed-energy decisions. The tools support fast comparison of energy, power, and backup assumptions before detailed equipment selection, interconnection review, or permit design begins.
Application guidance
Review the operating assumptions, installation conditions, and code checkpoints that most often affect results in this category.
System purpose and planning scope
Distributed-energy projects often blend several objectives, but each objective still needs its own first-pass screen. The right calculator depends on what the system is expected to do first for the site.
- Solar production and layout tools fit questions centered on array output or PV configuration.
- Battery and UPS tools are more relevant when autonomy and stored energy drive the review.
- EV-charging tools belong to cases where connected load and charging duration define the decision.
Tool alignment with the system architecture
The same site can behave very differently depending on whether it is grid-tied, backup-only, battery-coupled, or inverter-limited. A credible first-pass result depends on the actual system architecture.
- Inverter-focused tools are the better match when AC output or DC-to-AC balance is the constraining factor.
- Solar ROI and savings tools belong to conversations driven by economics rather than kWh alone.
- Wind and EV pages add value only when those resources genuinely sit inside the project scope.
Site data, listings, and interconnection review
Distributed-energy outputs depend heavily on the site and the actual equipment package. The calculator can narrow the system concept, but it cannot replace the utility, AHJ, or manufacturer requirements.
- Site conditions, load profile, and utility constraints still need confirmation before the result is treated as final.
- Listed-equipment data and manufacturer limits remain part of the governing basis for any inverter, battery, or charger selection.
- The screened output is most useful when it carries forward into interconnection, permit, and one-line review.