Renewable Energy

Dynamic Pricing Solutions

How to account for lack of strong price signals. A hard year puts deregulation to the test.

The greatest benefits of time-of-use pricing come from avoided costs of peaking power and T&D capacity—but only if hourly retail prices accurately model the true costs of delivered energy, including scarcity rents. Restoring the missing price signals will encourage economic investments in AMI, conservation and system capacity.

Riding on The Wind

Plug-in hybrids usher a new era for wind power.

Plug-in hybrid vehicles (PHEVs) open a new intersection between wind power and transportation.

RPS Race

As green mandates tighten, utilities scramble to comply.

Mandatory renewable portfolio standards are becoming the norm. But after low-hanging green fruits are harvested, renewable power might get scarce. Many utilities will struggle to meet RPS requirements until lawmakers create stable federal policies and a national market for green credits.

Building the iUtility

Market forces are transforming the IOU business model.

As market forces transform the IOU business model, Apple’s iPhone provides a metaphor and possible example for the industry to follow. The iUtility will emerge as companies renegotiate the regulatory compact and reinterpret the traditional rate formula.

Inclining Toward Efficiency

Is electricity price-elastic enough for rate designs to matter?

Contrary to conventional wisdom, electricity demand isn’t immune to price elasticity, and rate designs can encourage conservation. In particular, inclining block rates coupled with dynamic pricing can cut electric use by as much as 20 percent.

PV vs. Solar Thermal

Distributed solar modules are gaining ground on concentrated solar thermal plants.

Photovoltaic technologies are beginning to appear more attractive than concentrated solar thermal plants. PV’s competitiveness is improving from technical and operational advancements, as well as significant commitments made by such utilities as Southern California Edison. In the long run, distributed central PV plants likely will gain a strong market position.

The Queue Quandary

Why developers today are often kept waiting to get projects ok’d to connect to the grid.

Late last year FERC learned that the Midwest regional grid likely would require at least 40 years — until 2050 — simply to clear its backlog of proposed gen projects awaiting a completed interconnection agreement to certify their compatibility with the interstate power grid. But grid engineers would meet that date only by shortening the process and studying multiple projects simultaneously in clusters. To apply the process literally, studying one project at a time, as envisioned by current rules, the Midwest reportedly would need 300-plus years to clear its project queue.

Taming the Wind

Modern approaches to system operations and forecasting make the most of variable energy sources.

Nobody disputes windpower’s variability; that’s a given. But modern approaches to demand management, grid integration and wind forecasting are making windpower more predictable and grid friendly. And technology companies are marketing a variety of equipment and services to support a growing base of variable wind capacity—sort of like a virtual Country Kitchen Buffet for the windpower picnic.

RECs Get Real

Green credits are maturing to become real, tradeable assets.

By displacing electricity produced from fossil fuels, renewable power plants produce two distinct products—commodity electricity and a set of environmental attributes (particularly avoided emissions). These environmental attributes can be packaged into a product called a renewable energy certificate, or REC, and sold separately from the electricity. As REC markets develop, key issues are being addressed regarding market interaction.

Keep Your Eye on the South

The Southeast again is the battleground for fuels, technology, and market structure.

One sure sign of recovery in boom-and-bust power-generation markets is the renewed growth in the planning and construction of power plants. Active efforts are underway in generation development in the Southeast markets in spite of the high levels of generating reserve margins. With its traditional utility-dominated market structure and a preference for baseload generation, the Southeast is the battleground for the next round of power-generation development.