Categories - Renewable Energy
Sub Categories
- Wind Energy - 46 projects
- Hydro Energy - 13 projects
- Bioenergy - 6 projects
- Geothermal Energy - 12 projects
- Photovoltaics and Solar Energy - 69 projects
Topics
solar-cells, geothermal, wind-turbines, wave-energy, pvoutput, boundary-element-method, raytracing, inverter, openfoam, deye, exascale-computing, wind-power, ecp, aeroelasticity, offshore-wind-platforms, potential-flow, scada, fault-detection, geothermal-energy, amrex, modelica-library, collision-risk, aerodynamics, process-simulation, marine-renewable-energy, aircraft, rotorcraft, migratoryspecies, offshore-wind, seabirds, balkonkraftwerk, sunsynk, openmdao, bifacial, optics, buckling, sun-position, beam-section, simpy, cylinders, gui-based, design-of-offshore-steel-structures, dnv-os-c101, dnvgl-os-c101, dnvgl-rp-c201, girder, fatigue-analysis, dnvgl-rp-c203, mhkit, ocean-wave-energy-converters, potential-flow-theory, wave-structure-interaction, scr-2927, cheminformatics, density, equation-of-state, heat-capacity, molecule, solubility, surface-tension, thermal-conductivity, vapor-pressure, viscosity, halide-ion-migration, perovskite-solar-cells, non-governmental-organization, geothermal-reservoirs, golem, moose-framework, irradiance, ninja, systems-engineering, wisdem, analysis-framework, photovoltaics-dashboard, circularity, circularity-metrics, lifetime, mass-flow, repair, reuse, custom-cards, wind-farm, scr-1551, aeronautics, structural-dynamics, structures, solax, scr-1647, simulink, wec-sim, borefields, sizing, detection-boxes, detector-model, keras, model-detection, photovoltaic-panels, yolo3, heatexchanger, unsupervised-machine-learning, naval-architecture, plate-thickness, plates, structural-engineering, scr-2609, snl-visualization, agroclimatology, agroclimatology-data, nasa-power, weather-variables, defects, electronic-structure, materials-design, semiconductors, semiconductor, water-wave, crne-solar, outback-mate, packets, renogy, renogy-rover, slack, slack-bot, solarthing, solcast, amr, beam-irradiance, flight-simulation, stochastic-video-prediction, home-assistant-integration, huawei, huawei-solar, modbus-rtu, modbus-tcp, solar-concentrating-systems, borehole-image-analysis, fracture, fracture-mechanics, fractures, mplstereonet, structural-geology, carbon-sequestration, coupled-heat-mass, multiphase-transport, nuclear-waste-repositories, porous-flow, reactive-chemistry, simulation-modeling, soil-vapor, subsurface-hydrology, subsurface-remediation, sofar, sol-ark, hut23-425, energy2d, finite-difference-time-domain, multiphysics, scr-2490, aeroacoustics, vortex-methods, vpm, vtol, hoymiles, solenso, tsun, radiance, actuator-line, airfoils, blade-element, turbines, chakra-ui, pv-simulator, shading-effects, cloud-motion-prediction, generative-models, photovoltaic-power, probabilistic-solar-forecasting, sky-images, ste, deeplabv3, deepsolar, inception-v3, network-planning, neurips-2020, pv-systems, solar-panels, exawind, les, low-mach, compliance, low-carbon-systems, bioreactor, inverse-modelling, meshing, degradation, duramat, photovoltaic-systems, pv-modules, dweet, freeboard, modbus-sungrow, sungrow-inverter, operations-maintenance, solarman, solis, biochemical-process, bioprocess, biorefinery, centrifuge, distillation, fermentation, flash, heat-exchanger, unit-operation, ecosystem-models, phenotyping, balkonpv, boundary-element, hydrodynamic-coefficients-viewer, mesh-processing, meshviewer, bem, bemt, propeller, rotor, ray-tracing, rigorous-coupled-wave, transfer-matrix-method,
Projects
Contributors
maexsp [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Dominik Westner [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Ingo Theiss [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
varta, varta-storage, climate, dehumidifiers, fans, heaters, humidifiers, lights, pool-heaters, switches and 8 more
MrReSc [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Dennis Rathjen [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
dtu, hoymiles, opendtu, solar, administration, hacs, hacs-integration, homeassistant-custom-component, homeassistant-integration, device and 10 more
basti122303 [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
custom-cards, deye, inverter, powerflow, solar, sunsynk
Jason Madigan [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
varta, varta-storage, custom-cards, deye, inverter, powerflow, solar, sunsynk
MiniBlister [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
custom-cards, deye, inverter, powerflow, solar, sunsynk
virtualj [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
custom-cards, deye, inverter, powerflow, solar, sunsynk
Roger Bergua [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
aeroelasticity, wind, wind-energy, wind-farm, wind-power, wind-turbine
Bernardo Bahia Monteiro [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
aeroelasticity, aeronautics, structural-dynamics, structures, wind-turbines, co-design, openmdao, optimal-control, pseudospectral, trajectory-optimization and 1 more
Rahimi [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
bioreactor, inverse-modelling, meshing, openfoam, postprocessing
Clint Cecil [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
Nathan Hillson [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
Regis Thedin [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
high, lab, laboratory, national, nrel, renewable, slurm, training, amr, amrex and 4 more
AnzeZadr [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
custom-cards, deye, inverter, powerflow, solar, sunsynk
Takiss [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Mathieu Carbou [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
emoncms, openevse, calendar, custom-integration, edf, rte, sensor, tempo, electric-vehicle, renault and 18 more
Rachit Mishra [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
Matthias Geier [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
scr-2609, closember, notebook, ipython, repl, spec-0, numerical-methods, dataviz, ipython-widget, quiver and 32 more
jainprana [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
bioreactor, inverse-modelling, meshing, openfoam, postprocessing
Mark Bruggemann [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Hydro Energy
Topics:
marine-renewable-energy, mhkit, quality-control, wdrt, asyncio, hdf5, multi-dimensional, scientific-data
Brown [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
degradation, duramat, photovoltaic-systems, pv-modules, reliability
AidanWesley [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
degradation, duramat, photovoltaic-systems, pv-modules, reliability
David Österberg [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
closember, ipython, notebook, repl, spec-0, operations-maintenance, simpy, wind-energy
Shivam Vashisth [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
Max Jackson [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
photovoltaic, renewable-energy, renewables, solar-energy
Peter Lieven [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Simon Letzgus [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
renewable-energy, scada, wind-energy, wind-power
Simon Leszek (TUB) [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
renewable-energy, scada, wind-energy, wind-power
Stefan [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
home-assistant-integration, huawei, huawei-solar, modbus-rtu, modbus-tcp, solar-energy
suvanbanerjee [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
nowcasting
braddf [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
nowcasting
Alex Kinley [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
19danderson [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
djanders19 [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
guillencampa [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
mattEhall [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
benzman [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Malik Hassanaly [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
bioreactor, inverse-modelling, meshing, openfoam, postprocessing
ddlucero [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Geothermal Energy
Topics:
carbon-sequestration, carbon-storage, coupled-heat-mass, earth-science, geothermal-energy, groundwater-modelling, multiphase-transport, nuclear-waste-repositories, porous-flow, reactive-chemistry and 4 more
Nick Thrower [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
activerecord, audit
Benjamin Vial [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
multiscale-simulation, optics, physics, ray-tracing, raytracing, rigorous-coupled-wave, solar-cells, transfer-matrix-method, Finite Element Method, electromagnetism and 1 more
wenchao.yu [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
aeroelasticity, wind, wind-energy, wind-farm, wind-power, wind-turbine
Fabian Affolter [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
photovoltaic, solar, solax, varta, varta-storage, asyncio, water, irrigation, irrigation-controller, melnor and 55 more
Michael Wilk [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Miguel Sánchez de León Peque [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
photovoltaic, renewable-energy, renewables, solar-energy, pytest, repeat, alignment, flexible, cython, zeromq and 1 more
Luca Kröger [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
jstammi [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Timo Schindler [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Stefan Kreutter [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
helgeerbe [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Dominic Michel [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
nexulm [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
DirkS [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
CSchoch [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Simon Schwarz [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Rene [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Markus Dobel [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Tobias Diedrich [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Stefan Seifert [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Hacks [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun
Luigi [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
photovoltaic, semiconductor, solar-cells, hut23, hut23-222, data-mining, time-series-classification, time-series-regression, conda, dependencies and 25 more
Liao [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
openmdao, systems-engineering, wind, wisdem
Herbrax [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
Hariswaran Sitaraman [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
bioreactor, inverse-modelling, meshing, openfoam, postprocessing
Malik Hassanaly [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
bioreactor, inverse-modelling, meshing, openfoam, postprocessing
Mohammad Rahimi [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
bioreactor, inverse-modelling, meshing, openfoam, postprocessing
Malik Hassanaly [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
bioreactor, inverse-modelling, meshing, openfoam, postprocessing
Malik Hassanaly [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
bioreactor, inverse-modelling, meshing, openfoam, postprocessing
Ben Pierce [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
photovoltaic, renewable-energy, renewables, solar-energy
cclintris [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
Chengcheng Ding [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
JulianColab [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
Mars Tan [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
xmingandrew [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
Bruce Perry [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
Brandon Blakeley [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
amrex, atmospheric-modelling
Kevin Hashimoto [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
compliance, dds, low-carbon-systems
Prashanth [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
compliance, dds, low-carbon-systems
prv-proton [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
compliance, dds, low-carbon-systems
Kuan Fan [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
compliance, dds, low-carbon-systems
tim738745 [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:
compliance, dds, low-carbon-systems
hpacella [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:
sandia-national-laboratories, snl-science-libs, cfd, ecp, exascale-computing, exawind, les, low-mach, wind-energy
nathanmtom [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Hydro Energy
Topics:
hydrodynamics, marine-renewable-energy, simulink, snl-applications, wave-energy, wec-sim, wec-control-competition, wecccomp, scr-1647
Mathew Topper [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Hydro Energy
Topics:
hydrodynamics, marine-renewable-energy, simulink, snl-applications, wave-energy, wec-sim, mhkit, mhkit-matlab, quality-control, formatting and 5 more
Salman Husain [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Hydro Energy
Topics:
hydrodynamics, marine-renewable-energy, simulink, snl-applications, wave-energy, wec-sim, scr-1647
Jeff Bourdier [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Geothermal Energy
Topics:
Isaac Bromley-Dulfano [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Hydro Energy
Topics:
Dan Broman [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Hydro Energy
Topics:
Martin Dummer [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
asyncwebserver, cmt2300, esp32, hoymiles, nrf24, pv, ahoy, opendtu, solar-energy, tft-display and 5 more
Sean Kavanagh [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
ab-initio, computational-chemistry, dft, distortions, materials, materials-design, materials-informatics, point-defects, pymatgen, semiconductors and 14 more
[email protected] [email protected]@5f0613ce-6e50-0410-beef-1d40ed1f67fe
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
solar, solar-concentrating-systems
[email protected] [email protected]@5f0613ce-6e50-0410-beef-1d40ed1f67fe
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
solar, solar-concentrating-systems
ilescener [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
solar, solar-concentrating-systems
manuel.jesus.blanco manuel.jesus.blanco@5f0613ce-6e50-0410-beef-1d40ed1f67fe
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
solar, solar-concentrating-systems
Dawann Dawann@5f0613ce-6e50-0410-beef-1d40ed1f67fe
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
solar, solar-concentrating-systems
[email protected] [email protected]@5f0613ce-6e50-0410-beef-1d40ed1f67fe
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
solar, solar-concentrating-systems
sergio.garayald sergio.garayald@5f0613ce-6e50-0410-beef-1d40ed1f67fe
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
solar, solar-concentrating-systems
Calama Consulting [email protected]
OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:
photovoltaic, renewable-energy, renewables, solar-energy